K1fo 432 yagi

K1fo 432 yagi



The length of the feeder was cut on a length which is visually in between thelength of the first director and the reflector element lengths. Enter details of source yagi construction. - about 70cm EME amateur radio stations. photos, sound recordings, qsl cards etc. net. 275 VA7SIX CN89 BC …( Moonbounce ) Here you find a collection of EME stations with their WEB pages. Ham radio 70cm Very good condition and works very well, prefer local pickup or buyer pays for shipping. Its so consistent that its the US standard gain reference for 432. 11. 5-λ Yagi FOR SALE: K1FO Assembled DSEFO432-25ATVA (Assembled and Tested) 25 element Yagi 422-440 MHz 17 Foot Boom Length N-Connector 70 CM Weak Signal Antenna Considered top of the line in Weak Signal Working Groups! Success! • All 70cm Antennas built for the Arecibo Test were able to pick-up the signal as heard through the speaker, on Class day, Friday • Smallest was a 4 element “YO” yagi Antenna performance table by VE7BQH, edition 30 March 2018. Fail. Element Length Correction due to Boom. 1 dBd at antenna measuring contests. dl6wu 350 a - 1,3 ghz 1. 05 to 15. 432. Our 1296 MHz rig use TXR 210 as driver plus transverter by DB6NT, with only about 15 W RF. KD1DU with 4 yagis on 144 MHz. my lfa yagis 144 mhz yu7xl dxcc on 144 mhz: my oblong antennas 144 mhz: my oblong antennas 432 mhz. Call Sign : JA5NNS OP : Sho Shirakata QTH : 1-6-15 Shoenji, Matsuyama, Ehime 790-0904, JAPAN W6OMF, CM98, was at times solid S-9+. Steve Powlishen, K1FO, of Madison, Connecticut, passed away July 28 due to complications from cancer. 2 N8KWX M2 HO-Loop 6. It is an essential part in the receive as well in the transmit link. For 1, 43 and 9MHz. An ARRL Life Member, Powlishen was best known for …EME Ham Gallery - 432 MHz. Calculate a new element length for the destination yagi construction (using the reactance method outlined above) 3. Moonbounce is often equivalent with large antennas, low feed line losses, T/R relays, LNA's, HPA's, Intention. Only at eHam. I do a lot of antenna simulation. VE2ZAZ – January 2012 Why Moonbounce? IT IS EXCITING! – Most fun in ham radio is making rare, unusual, or difficult contacts. OK9ATD 11 2 JO70FA 200 5 W MX 300 vertical Category: 432 MHz LP, Single Pl. AMSAT-BB Mailing List (by date) JW/SM2BYA 432 MHz EME from Spitzbergen. – You can enjoy the thrill of moonbounce with a modest setup. 275 N9SS EN50es IL Peoria 50mw to 2M Big Wheel @ 30' (820'ASL) 144. MoonbouncersIntention. Here is a small collection of EZNEC files of antennas I have interest in. 667 16 0 0 sp9ewo jn99hw 526 kenwood 25 w 22 el. Moonbounce is often equivalent with large antennas, low feed line losses, T/R relays, LNA's, HPA's, Weaksignal detection,. The photo shows the K0RZ 432 EME antenna composed of 8 each K1FO 22 element Yagis. 235 as my home frequency, 50. DFC driver LDMOS SSPA 300W, PA 2x3CPX800A7 design K1FO - 1,5kW, 10m Home Made Dish OK1DFC Dual dipole FEED design OK2ZZ. 000 MHz with a : reference at 432. All this gets on back burner when sailing season arrives. Antenna testing is available at SVHFS Conferences. 2 N8KWX M2 HO-Loop 6. K1FO antenna with PA and a dish antenna for 23 cm with PA; DL0TUD the microwave bands and another PA with one long yagi for 70 cm. In other words, the antenna has less pickup efficiency at 432 MHz. Aug 4, 2010 The two most expensive parts of a VHF/UHF Yagi are the boom In its original configuration, the K1FO antenna is fed with a T-match. Dish Band 432 MHz. The antennas found in the tables are the ones currenly used by people on EME. Range results are posted for a number of past conferences. Dragoslav Dobričić, YU1AW dragan@antennex. That is, the element lengths are those used with a wood or plastic (dielectric) boom or supported above or below a metal boom with an large insulator. Thanks Skip, I had a K1FO design 2M beam but took it apart , too big for me. $85. k1fo 432 yagi This is my best score in my 21 years of ARRL contest operation. The K1FO-33 antenna was given to me by W7SZ. When I heard the first cw-signals off the moon on 2 m with a single 16 element Yagi back in 1980, I was fascinated and hooked up. It seemed like a relatively favorite this post Oct 13 Ham Radio 2304mhz loop yagi $40 (cnj > Hamilton) pic map hide this posting restore restore this posting. G/T = Figure of merit used to determine the receive capability of the antenna or array = (Ga + 2. Outside on a 40 foot tower were a Mosley TA-33Jr. Yagi Element Boom Correction Numbers by DG7YBN. loop eu3ab ko53ab yu7xl jn95nt ft-897, 300w, 16 x 8 el yu7xl design ea4ekh/p im79dr mhz 20w, 2x12 el yagi ol3z jn79fx yt7n 20w, 9a7km jn85nk t91esp jn94qi tr9000, 2. 144. FROM STEVE, K1FO: A couple comments Tom. Through the transformation into a real low noise pick up, side lobes supressing, yet high gain antenna the development of the Yagi-Uda has made a large progress since about 2005. 8. There is a very sturdy custom H-frame that holds the 222 and 432 yagis in perfect balance. 432 MHz. The Antenna represents a Major Module in a Moonbounce and/or Weaksignal System. s58j jn76ac 1. Here is the list of my hybrid antennas for 432 MHz, placed in the modified form of the VE7BQH list of antennas, so you can easily compare The weather forcast has a chance of rain in it, but the temperatures are forecast to be 90 to 100 degrees warmer than they were for my rove in January! I'll use 144. K1FO's 22-Element 432-MHz Yagi Free Space Symmetric 432 MHz 22 wires, millimeters 14 30 -171. A HIGH-PERFORMANCE 432-MHz YAGIThis 22-element, 6. Call score QSO aver. Click Here to Report a Problem K1FO 432, Reviews: 5, Average rating: 4. I did not know anyone had picked up the K1FO design after he became a SK. 2005. …1974,#1,ディジタル・ディスプレー回路の作りかた,市販のssbトランシーバーに付加,製作,39,5,ja6bi 田縁 昭,vfoを The Majority of these pictures were provided to K2UYH for the 432 MHz And Above EME Newsletter. I tried scaling the 11-element 432-MHz cheap Yagi to 144-MHz. PTFE VHF Antenna-performance measurements using celestial sources Antennas for satellite communications. LOC ASL ODX QRB er. Call: Name: CW: JT65: SSB: Antenna: Power (Watts) Qsl: 1: 3B8EME: Rene---***---23 el: 50w: 2: 3DA0MB: Dx Exp. All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from CushcraftFirst licensed in 1964; assigned W6PQL in 2003, which was the call first issued to my late father in 1938. favorite this post Oct 14 Intermatic Pool Mechanical Time Switch $85 (Allentown, NJ) pic map hide this posting restore restore this postingYagi Calculator is a program to assist with the design of long yagi antennas. JH5LUZ with sound and pictures. 9 N9MYK Modified 10 ele Arrow Antenna 11. 4 * 28 El K1FO yagi's, 500W HB GS31 amplifier, WA2ODO LNA 100 initials and 29 DXCC Used units: FT847, LNA 0,34dB N/F MGF1302 - 22dB gain first stage, ATF 54143 second stage, driver LDMOS SSPA 150W, PA 2x3CPX800A7 design K1FO - 1,5kW, 10m Home Made Dish OK1DFC 1el. Even though I had a pretty marginal setup; FT-847 running 50 watts into a 6 element, fixed in place, vertically polarized, weather beaten yagi at 6ft AGL, I gave it a whirl. 35 mm diameter elements. Band 432 MHz. Wanted to upgrade my UHF antenna, picked up a K1FO 432 antenna that is over 25 years old. 6 2000 W 72el. mailing lists FAQ for moon-net. M2 6M5X, 15 el. s57cn jn75ps 1. Also a pair of 10 el dk7zb 2M antennas up next to (2) 39el K1FO's for 432. 2 N8KWX M2 Eggbeater No Ground Plane 3. 3 ra6hlf/3 ko90cw 758 667. 8:1 so do not exclude And 432 MHz sports a 22-element K1FO yagi. box 4680, manchester, new hampshire 03108, warrants to the original consumer purchaser for one year from date of purchase that each cushcraft antenna free of defects in material or workmanship. Comparing an FO9 (the first 9 elements of the optimized K1FO yagis in some ARRL handbooks) and an M2 2M9SSB is interesting. After a long thought and research process i decided to go with all K1FO style yagi's for 2m, 222, and 432. His company, Lunar-Link Systems-- founded by Powlishen in 1994 -- manufactured and sold high EME Ham Gallery - 432 MHz. 4. 6. Ice is another story, but it doesn't matter since the Yagis themselves are useless with ice on them. The VHF/UHF antenna NEC files shown above include the "raw" element lengths. It's +/-10 degree pattern (-3db) is razor sharp. All Directive Systems antennas are built with the finest materials available. 1 MHz with 4. 273 VE3DDW EN93vu ON Hillsburg 3W to halo @ 12 ft (1686' ASL). $260 When a yagi is aimed at the horizon, the results between users of the same antennas can be quite different! This is partially due to interaction with other antennas and feedline losses, but it also varies depending on the terrain in front of the antenna, height of the antenna above the ground (in terms of wavelengths), and whether there are The North tower is a 40ft Rohn 45 that has the A3 Tri-Bander, 1296 Loop Yagi, 432 Yagi and 6 Meter 4 element yagi on top. The document has moved here. -Temp. com. Weak signal VHF and UHF is pretty exciting and I wish more people were on it. Antenna is still is great condition. I try to simulate every antenna I get in "my fingers". 275 N5EAD EM10 TX Austin 10W to 6el yagi pointed east. Making the LFA Loop K1FO 3. Yagi Element Boom Correction Numbers by DG7YBN. c - 432 mhz 1. We have over 32 years of experience designing and building antennas and systems to satisfy the ever expanding communications needs. 300 MHz. The design may also be cut for use at 147 MHz. 2 N8KWX M2 Eggbeater No Ground Plane 3. – Modern modeled antenna designs are best. 10. Since 99% of my operating time is spent on 6m's and up, i decided to re-think all of my vhf/uhf antenna's. 2/5, MSRP: $145. After reading an article about EME (yep, the now famous W5UN "MBA" one), I decided to give it a try with a single yagi and a "brick" amplifier on 2 meters. Here you will find information on how antennas behave when stacked. Bit Torrent Scene ( BTScene ) a public file sharing platform. 3 KO0Z 9 ele K2RIW at 439 MHz 10. 6 NA0IA 6 ele Cheap Yagi 10. This was the first contest since June 2008 that the group entered the unlimited-transmitter, multi-operator category. 0 2. A Butternut HF9V over a 60 radial field plays very well on the HF bands and a ½ wave helical vertical for 160m completes the farm. 7625 mm diameter elements, first select the 12 element K1FO 2 meter yagi from the Examples menu it has 6. wa5vjb. 00 For Pick up South Florida Contact Bill KD4FRB at Cell 954-557-8541 Also a pair of 10 el dk7zb 2M antennas up next to (2) 39el K1FO's for 432. of the optimized K1FO yagis in some ARRL handbooks) and an M2 2M9SSB is interesting. – At >432MHz, Heliax or equiv. 155 N4QH EM84im GA Toccoa 2W to loop cw + fm 1020 Hz tone 432. I am using this system for QRP EME (details and signal recordings here ), and working toward a bigger antenna. VHF/UHF Antennas BACK; Fil Tittel Forfatter Magasin Nr. 1-, 432-MHz Yagi was originally designed for use in a 12-Yagi EME array built by K1FO. Yagi 3. I doubt that there is anything in Bill Orr's books that would be considered a good modern UHF yagi design. yu7xl dxcc on 144 mhz: my oblong antennas 144 mhz: my oblong antennas 432 mhz. – Most hams believe exotic equipment, huge antennas, and very high power are needed to work EME. 7m-dish and 150W output. K1FO-33 432 Mhz yagi. 1. I have a K1FO yagi for 432 and that's what I'm going to use with this. Here is a picture of the "antenna test farm" with Matthew helping hold the 903 loop antenna mount (the plexiglass proved not strong enough) while I was conducting some receive testing. Title: Optimum Design for 432-MHz Yagis, An--Part 2. $260This turns out to be OK for the stacked pair of 432 K1FO’s on one and the microwave goodies on the other for 903 and up. 432 MHz Gain dBd Call Description 1. The interaction between Earth's magnetic field and Solar particles is a complex and mysterious field of science. 9dBi), but has an unusually "clean" pattern. 4 0 iq1kw jn34op 556 50 6 800 yagi 21el. de), dated 2009-10-09We attempt to distribute our Newsletter one or two times per week. One …www. Fred, the KH6HME 1296 4-stack is pointed almost north, about 45 degrees away from the beam heading of the 222/432 stack and the two meter Yagi on the high tower. Time to build some new antennas for 144 & 432 Mhz but can't decide between a pair of K1FO's 12 element yagi or a pair of 8 element Quagis for 144 Mhz. net is a Web site dedicated to ham radio (amateur radio). tri-bander, a home-brew 4 element 6 meter yagi, a Cushcraft 215WB for 2 meters and a K1FO 22 element yagi for 432…First licensed in 1964; assigned W6PQL in 2003, which was the call first issued to my late father in 1938. VHF/UHF BEACONS by WZ1V 144. 275 N0EC DN70lf CO 50W to pair Big Wheels. We installed the new 13‐element YU7EF at 110 feet. $10 XPOL Satellite Yagi, 435 MHz. 10. I chose to start building 8 of his then experimental 32 element yagis for 432 MHz in the hope I could get going on 432 EME. Top antenna is 32 element K1FO design for 432 -- Middle is 18 element DJ9BV design for 144 -- Bottom is a 9 element M2 design for 50. This one has the 50 MHz module but I plan to replace it with 222 and 1296. My final score for 144 and 432 was 109x54 for 588,600 points. K1FOでの作成を当初検討したのですが、ドライブエレメントの工作が面倒など及び. In its original configuration, the K1FO antenna is fed with a T-match. This turns out to be OK for the stacked pair of 432 K1FO’s on one and the microwave goodies on the other for 903 and up. Yagi . I once had 4 K2RIW design19 element yagis on a H frame on this tower. comTop antenna is 32 element K1FO design for 432 -- Middle is 18 element DJ9BV design for 144 -- Bottom is a 9 element M2 design for 50. The result of our measurement is exactly in agreement with this statement although our pattern differs considerably from the published measurement by K1FO. From: i8cvs; AO-40 1 Meter Dish- 70 cm Yagi For Sale. pdf – 423. I was immediately hooked. On my current 432 yagi (K1FO experimental 32 element) which has a folded dipole, I had to reduce the length of Director 1 to get the SWR below 1. One daughter is an engineer, the other a CPA. Sometimes the signals fade in and out as the backlash oscillation damps out! SV1BTR's 432 MHz Cross Yagi Array ; OH2DG, constructing a new Dish. For each element in turn: 1. $10 Heliax. After several years of trial and error, I have come up with a very simple formula to calculate optimum stacking distance for Yagi antennas, namely S = 51/bw where S is the center-to-center spacing of the antennas in wavelengths and BW is the beamwidth in the plane of the stacking. yagi 2. The rear of the antenna is supported and raised above the concrete patio by a cardboard box. - UHF/Microwave Contest 2015 Category: 432 MHz, Single Pl. 5 wavelength) and is a good standard to judge other high gain 2 meter antennas. K1FO’s for 50, 144 and 432 bands. s52ly jn76aa 58 15005 1 0. However, since with small stations there is very little margin for signal reductions, no stone should be left unturned when attempting to optimize the station. “H” plane of a horizontally polarised Yagi. measures Read more here Wideband GTV 2-8w built by DL1RPL Read more here Modify your 19 ele. The 22-element Yagi not only has exceptional forward gain (17. 26 13. txt) or read online for free. 3 KO0Z 9 ele K2RIW at 439 MHz 10. 84. It's quite possible for ham-radio operators to make contacts via the Earth-Moon-Earth path, even with a smaller station of no more than a 10-foot yagi and 100 watts of power. favorite this post Oct 5 Sangean ATS-803A - SHORTWAVE RADIO - very nice shape $45 (cnj > Hamilton, NJ) pic map hide this posting restore restore this posting 432-MHz Yagis Pam 2: Here is practical construction antenna that you can build for that big signal on 432 MHz. Remove any boom corrections from source yagi dimensions. C3I K1FO for 2M, and 4 …Posts Tagged ‘cheap VHF’ However, I should back up and discuss changes from the K1FO Yagi. 5W to yagi @ 135'. 2003 Tulsa CSVHFS Antenna Range Results 50-450 MHz by WB0TEM 902-47,100 MHz by WA5VJB with Thanks to WA2VOI 50 MHz Gain dBd Call Description 9. 4 KD4NOQ 7 ele Rolcon RCS7-420 12. ) 80, 40, and 20 meter dipoles hang underneath. These served as the central point of the array to which the 2 Meter boom section attached. K1FO Assembled 25 element Yagi 422-440 FOR SALE: K1FO Assembled DSEFO432-25ATVA (Assembled and Tested) 25 element Yagi 422-440 MHz 17 Foot Boom Length N-Connector 70 CM Weak Signal Antenna Considered top of the line in Weak Signal Working Groups! $235. 299 W5VHF EM25hr OK Muskogee 15W to pair horiz loops @ 72' 432. Use the best possible TX feedline. The first step was to consider suitable designs. The two meter station was 350 watts to 12 ele K1FO. High-performance Yagis for 432 MHz : K1FO : 8 : Jul 87 + High-performance Yagis for 432 MHz : Comments, KLM balun : 6 : Sep 87 + High-performance Yagis for 432 MHz : Short circuit : 97 : Oct 87 + Improved High-Performance Yagis for 432 MHz : K1FO : 9 : May 89 + Inexpensive five-eighth wave groundplane (HN) W7CD : 84 : Mar 81 + Inexpensive half On my current 432 yagi (K1FO experimental 32 element) which has a folded dipole, I had to reduce the length of Director 1 to get the SWR below 1. He demanded element length precision to +/- 1/64th inch, and when that care is taken that yagi comes up at 15. I had great plans to put up two K1FO 22 element 432 yagis in my backyard, but I ran out of time. 2003 Tulsa CSVHFS Antenna Range Results 50-450 MHz by WB0TEM 902-47,100 MHz by WA5VJB with Thanks to WA2VOI 50 MHz Gain dBd Call Description 9. pdf – 137. This needs construction in front of the supporting mechanism and hence relatively short yagis. I had planned on operating on Monday but took down the antennas, Sunday evening, based on forecast of possible lightning early the next day. All antennas would be rear mounted and the 70cms X-pol rotated 45 degrees in order not to be in the same plane as either set of the 2m antennas to avoid the 'third harmonic issues' that exist between 2m and 70cms. 432: Pair 25 el K1FO The 144, 222 and 432 yagi pairs were bought new from C3i back in late 2003. Most of the long boom . On these days the band was also open up and down the east coast with ZL contacts being reported from VK2, 3, 4 & 7. ). He was 60. org The … K6MYC on Antenna Testing mast and leave room between then for antennas for 6 and 432. my lfa yagis 144 mhz In case you are interested why Yagi's directors are (successively) resonant at higher frequencies, it's because Yagi basically is a dielectric-type of antenna that uses directors to slow-down and gradually bend the approaching EM-wavefronts from around the antenna (to increase it's effective surface collecting area, in 3-D) to focus them on the "The smallest station I have ever worked on 432 EME is a 3-element yagi (that’s not a typo it was a three element yagi) and 60-watts so it doesn’t take much. K2AH, Tom well equiped and prepared for 1296 MHz. It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society. bmp). Stranica za upload contest logova u edi formatu te cross-checking, Hrvatska, Samobor, Croatia . (2m9ssbvfo9. Category B. There are circular polarized crossed Yagi antennas mostly used for amateur satellite work that can be used. 0 0 . ADVERTISEMENT QST Issue: Jan 1988 Title: Optimum Design for 432-MHz Yagis, An--Part 2 Author: Steve Powlishen, K1FO Click Here to Report a Problem with this File Enter antenna search criteria above and click glass. Enter details of destination yagi construction. I'm looking for Yagi antennas for 50, 144, and 432 MHz. The Majority of these pictures were provided to K2UYH for the 432 MHz And Above EME Newsletter. C. ). VSWR = VSWR Bandwidth is based a single antenna over 432. Dom, HB9BBD with his large dish for 1296 ( details later ) WE2Y and his YAGI Array on 432 MHz. Stacking horizontally results in a narrower beamwidth in the horizontal or “E “plane of a horizontally polarised Yagi. The G0KSC LFA 432 MHz long boom Yagi NEC files (17-30 foot booms) Apr 1, 2013 You are here: Home; NEW YAGIS; 12el 144MHz OWL 432MHz LFA Yagis. Call Score QSO Loc. Nothing could be further from the truth! With so many "big-gun" EME stations on 2 meters, even a "modest" station with a single yagi and 100 to 200 watt "brick" type amplifier can give EME a try! High-Performance Yagis for 144, 222 and 432 MHz This construction information is presented as an introduction to the three high-performance VHF/UHF Yagis that follow. But if we restrict our attention to directional antennas, the Yagi gets my vote. 432 MHz Antenna Comparison Chart Other antenna comparison charts and listings If you want to build your own antenna, here are some VERY good designs to start with ! Directive Systems and Engineering VHF UHF and microwave antennas and accessories "power dividers" "phasing lines" "phasing harnesses" "stacking frames" Actually, the number-one antenna of all time for simplicity, effectiveness, and practicality has got to be the ubiquitous whip. LINES IS DANGEROUS. DH9FAG, 3 m TVRO dish with 200 Watts and 0,35 NF. ASL Power Antenna 1. 95 DSEFO432-15RS, 15, 8, 432, Center, Either, 15 element K1FO rover Yagi kit Jan 2, 1988 QST Issue: Jan 1988. They also show 432 MHz. Reviewed by Bob Allison, WB1GCMAssistant Laboratory Managerwb1gcm@arrl. favorite this post Oct 14 K1FO 432 25 element Yagi $85 (cnj > Colts Neck NJ) pic map hide this posting restore restore this posting. First EME echoes of KB4BPZ on 432 MHz heard by Ivo OK2WCG (now ZS6AXT). 5db, 10w, yu0b ea1asc in77dx 9a4di jn75xs ft480r, 10w, diamond x 510 n yt4dim yu7w jn95rd ft847, 100w Yagi OM3ID JN88ST A5AA JN85EI % FT726R el. I also have old large 2M and 440 cross polarized Yagis laying in the garage doing nothing , but again too much antenna for my back yard these days. Product is in production. This array was used for many successfull EME contacts on 70CM (432 Mhz). - eHam. 0 0 134 168. 2 Reference Yagi 11. Category B CALL Points Multi Total Antenna 1 B YL2GD 20 2 40 6mt. Side Bok tittel ISBN; Dopplerantenn for 2-meter: SM0BGU, P. 5kW output (K1FO PA), preamplifier by OK1CA 0,4 dB N/F. yagi, similar to my EME antenna’s to run some testing for matching. Nr Call LOC QSO Points Avg. 2m portable Yagi antenna. Type: Amateur VHF horizontal base. The small but efficient antenna farm covers 160M to 432mhz [no 220 mhz]. A HIGH- PERFORMANCE 2-METER TRANSVERTER Modular approach makes construction and modification easy By Bob Lombard;, WB4EHS, 1874 Palmer Drive, Melbourne, Florida 32935 I t seems that many VHFIUHF enthusiasts say they became interested in this part of the spectrum after having worked just about all of the DX available on HE This wasn't thecase Hallo dear MMMonVHF friends, please find below our latest NEWSLETTER of the VHF-DX-Portal "Make More Miles on VHF" (www. Every Watt Counts. He, of course, is going from 200 ohms to 50 ohms, but the idea is the same. 2. A look at the 432 MHz operation stand - PA with the peak wattmeter, 75 Ohm feeding cable and part of the single K1FO 33 el. The height also is OK for us as the 30’ pretty much clears all the vegetation on our mountain-top contesting location. As above except 22 elements. CT 06443 ast month, I described the develop- ment of the K IFO 22-element Yagi design. 8 WD9IVD 7 element K1FO Mod. K1FO), 5 el. Then there's the group of cross-yagi users that has to The three following antennas have been optimized for typical boom lengths on each band. Power antenna 1. Category A CALL Points Multi Total Antenna 1 A PA3FXB 230 21 4830 2,91 m. WA5JVB spacing with the K1FO matching section and expect everything to work, unless you get really lucky. 7 JN79QJ 753 LZ9A 972 5. Yes I am using open wire phasing lines on my 432 array. at 105' OK1DFC completes his first contacts on 432 MHz. WAC – Award with 432 MHz Sticker issued October 25, 1983. The plan was, to use your calculator, but the link is dead, I cant download the software. Many pieces. 8:1 so do not exclude XPOL Satellite Yagi, 144 MHz, homebrew based on K1FO design, 11 elements, 16 foot one piece boom, been stored outside needs some clean-up. Now you tell me. Ant. 36 237. …1974,#1,ディジタル・ディスプレー回路の作りかた,市販のssbトランシーバーに付加,製作,39,5,ja6bi 田縁 昭,vfoを A given antenna design for 432 MHz has the same gain as the same design for 144 MHz, but being only onethird as large intercepts only one-ninth as much energy in receiving. 32 1. rn6hbi ln04xo 42 10342 3 7. 4 0 ol7m jo80fg 747 100 15 25 19 el dk7zb 85. Contacts with Canada, Idaho, eastern Washington and Oregon are often possible bouncing off the 14,410 foot high Rainier or other Cascade peaks. Is a MUST! The Quagi Antenna Turns 40. Have 2 pcs 7/8" with connectors 125 and 150 feet approx. $40Acknowledgements. OK1CA accomplishes WAC on 432 MHz . A HIGH-PERFORMANCE 432-MHz YAGIThis 22-element, 6. As explained in the text below fig. I was able to work about 5 or 6 stations, mostly in the Charlotte area and a few stations south of me in Georgia. OK1VUF 29979 126 JN79IO 714 60 W 2x K1FO 22 el 2. 299 N9SS EN50es IL Peoria 50mw to 2M Big Wheel @ 30' (820'ASL) 432. The K1FO 22 elmt beams on 432 are great performers too, building plans in most ARRL Handbooks. W8MQV with 20 Watts on 10 GHz The Black Forrest uW Moon Bouncers, DJ7FJ(r), DL2GSG and their 4. 3 500 17el. We were No 1 in the 3A category for South Florida Section ! -- PeteR N8PR the ARRL Handbook for info on the K1FO antennas. The House: 2-3 bedrooms, single level home, open area with kitchen, dining and living room, 2 baths and laundry. It is not affected by rain. 5 m ANDREW Dish. Hobbies other than amateur radio include wine making, precision shooting, golf and tennis. 432 MHz DUBUS Contest 03/2006. The past couple of years i was using a current production 13 element from another manufacturer. Mounted on my tower at 45ft and am feeding it with 1/2" Heliax. 5 dB and f/b 22. Moon tracking, lots of labor and system maintenance. o. 1-, 432-MHz Yagi was originally designed for use in a 12-Yagi EME array built by K1FO. Important correction: Steve Powlishen, K1FO, is NOT an SK! (W9GB had it 4 x 432 MHz Yagi's of unknown manufacture. One …Welcome To My EME Page. Jun 24, 2017 Like I think that K1FO's "An Optimum Design for 432 MHz Yagis", QST 87/88 might be placed somewhere between the DL6WU Double Aug 4, 2010 The two most expensive parts of a VHF/UHF Yagi are the boom In its original configuration, the K1FO antenna is fed with a T-match. A Searchable Index of the old "Ham Radio" Magazine "Ham Radio Magazine" was a periodical that ran for almost 22 years from 1968 to 1990. Theoretically, Yagi antenna can work fine without a boom. A collection of articles regarding electronics projects, acquired from a wide variety of sources. simple Applied Yagi antenna design. I did not know anyone had picked up the K1FO design after he 2 meter yagi "Merlin-7 KI4ILB" wrote in message Thanks for all the information everyone The only ARRL antenna book I have is the one on wire antennas, If youApache/2. 1974,#1,ディジタル・ディスプレー回路の作りかた,市販のssbトランシーバーに付加,製作,39,5,ja6bi 田縁 昭,vfoを ADVERTISEMENT QST Issue: Jan 1988 Title: Optimum Design for 432-MHz Yagis, An--Part 2 Author: Steve Powlishen, K1FO Click Here to Report a Problem with this File13 rows · Click on any bold model number below to view or download a PDF manual. The 22-element Yagi not only has exceptional forward gain (17. yagi. Again, the driven element will have to Table 13 Dimensions for the 12-Element 2. DSEFO432-11R, 11, 6, 430-438, Rear, Either, 11 element Yagi kit, 109. 100 on 902 and above. Antennas will …K1FO 432 product reviews by real people like you. 4 om3kii jn88uu 614 20 10 20 yagi 7el dk7zb 669. The initial stack of antennas as of 12/2015, from top to bottom: Cushcraft 19 el. Description: Directive Systems K1FO-Design Yagi. My station is very small on 70cm, a single 22el K1FO Yagi mounted in the middle of my 2m EME array, and TS790A barefoot with approximately 30W in the antenna. Most are simple essays or articles. favorite this post Oct 14 Intermatic Pool Mechanical Time Switch $85 (Allentown, NJ) pic map hide this posting restore restore this posting All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft First licensed in 1964; assigned W6PQL in 2003, which was the call first issued to my late father in 1938. 0" and H = 3/8" Elements are 1/8" diameter. M2 Antenna Systems, Inc. 000 - 435. www. 8 -2. checklogs used for 432 mhz: 9a1b 9a1cfi 9a1cms 9a1crs 9a1ea 9a2bw 9a2ey 9a2ki/p 9a2ko 9a2rd 9a2sb 9a2uv 9a3aq 9a3df 9a3dos 9a3ebp 9a3nc 9a3tu 9a4tt 9a5a 9a5g 9a5ig 9a5kk 9a5m 9a6dda 9a8d 9a9c da0ff da2t db1hgv db1rul db6nt db7nw dc1nnn dc6cm dd7eq dd7mh dd8asc/p dd8dw df0anr df0g df0geb df0hs/p df0mu df0ovh df0sx df0wf df0xg df1asg df1jc df1pf df1py df1rd df2ap df2cd df2fq df2fr df3te df3xz On September 30 we took down the very short 7‐element yagi I had been using on 2 meters since my return in June. 9a2vx jn75gk 42 10240 2 2. here 432 MHz Blade Dipole GTV 70-19 Yagi Read more here DG7YBN Blade Dipole - introduced in Dubus 4/2014 Read more here A bay of GTV 70-14m with 'Blade DE' at AE7OV : with Imperial ele. OK1NOR 111813 361 308. pdf), Text File (. k1fo 432 yagiDSEFO432-11R, 11, 6, 430-438, Rear, Either, 11 element Yagi kit, 109. This 10. $45. K. OK1JHM 73 2 JO70CO 594 5 W 8 Element Yagi 43. See the VHF and UHF Antenna Systems chapter in the ARRL Antenna Book (not ARRL Handbook), in particular the section on High-Performance Yagis for 144, 222, and 432 MHz designed by Steve Powlishen, K1FO, pp 18-19 to 18-29 in the 18th Edition. That's where a program called YW or Yagi for Windows came in. EME is the pinnacle of ham radio achievement. If there are any issues missing and you would like to contribute, please contact us to make finding good articles easier. 270 VE2FUT FN25up QC Lachute 10W + 2x12 yagis south/west. The old and the new, showing the yagi's I started with at the bottom shed along with the new stack on the tower. Antenna for 70 cm 432 440 MHz is a curation of 77 resources about , 26 elelements 432MHz LFA Yagi, DG7YBN - GTV 70-2m, 432 MHz yagi antenna, Experimental Patch Antenna, 432 MHz 5 elements Yagi. 270 KA9VDU EN53mt WI Green Lake 4W to 4 el beam pointed south. Use Older Entries>> link in lower right to page through multiple results. Circular polarization lets you work all modes & antenna polarities plus has the added advantage of less Banda 432 MHz Categoria singolo Operatore 03 ( x 3 overall) organizzato dalla Sezione ARI di Terni Banda 432 MHz Trofei ARI VHF & Up 2015 Categoria Multi Operatore 04 ( x 3 overall) Categoria 6 ore 60 ( x 3 overall ) Banda 432 MHz 1 di 5 6. 5' boom. More info: Sep 7, 2011 In the late 1980's I was absorbed by the work of K1FO in his pursuit of a 8 of his then experimental 32 element yagis for 432 MHz in the hope I K1FO 12 ELEMENT 144/147 MHz YAGI. In the late 1980's I was absorbed by the work of K1FO in his pursuit of a VHF and UHF antenna with a great pattern and gain and of course read every work I could get from the then famous HAM RADIO magazine. To Order Call: 386-364-5529 19519 78th Ter. Yagi Calculator is a program to assist with the design of long yagi antennas. 9H1ES, 2 m Dish for 1296 MHz. Practically, that is possible only if boom is made of non-conducting material (wood, fiberglass, etc. The small but efficient antenna farm covers 160M to 432mhz [no 220 mhz]. 00. There are a number of ways to do this in my opinion. Everything performed very well in the September ARRL VHF Contest. Yagi Antenna Elements Boom Correction. The handbooks I have include complete details for that band. 422 424 432 434 406 440 442 frequency mhz limited warranty cushcrÄft corporation, p. by dubus. W6HD, 6 m Dish and 80 Watts at feed. 000 MHz with a InnoV 40 LFA antenna "Q" and what to expect with with stacking and wet weather. 294 VA2NQ FN35nl QC MtYamaska 5W halo 370m ASL, CW, & WSPR. They also showSimple steps to building a successful Yagi Antenna The purpose of this page is to help the professional and amateur builder alike gain some invaluable information to ensure a successful, first time build. 4-element Collinear. s56hce jn75ap 1. 432MHz Yagi a a feed. The children are all grown up now, on their own, and doing O. Antenne big – wheel VHF 144mhz (icom yaesu Kenwood ) 2. The storm events involve high electric currents in the ionosphere and vast amounts electric power affecting to great many things. The 902 looper is pointed south and is leaning over against another mast. Using 3. my oblong antennas 1296 mhz: moje lfa jagice 144 mhz. Many newcomers to EME are intimidated by what seems a daunting amount of required hardware. Ham Radio Classified Ads K1FO Assembled 25 element Yagi 422-440 FOR SALE: K1FO Assembled DSEFO432-25ATVA (Assembled and Tested) 25 element Yagi 422-440 MHz 17 Foot Boom Length N-Connector and a prototype 432mhz feed. 275 N9SS EN50es IL Peoria 50mw to 2M Big Wheel @ 30' (820'ASL) 144. place in EME ARRL 1996 - 5760 MHz M. 298 W8GVK EN63vb MI Grand Haven 10W horizontal omni. 300 K6ER CM87sv K1FO Assembled 25 element Yagi 422-440 FOR SALE: K1FO Assembled DSEFO432-25ATVA (Assembled and Tested) 25 element Yagi 422-440 MHz 17 Foot Boom Length N-Connector 70 CM Weak Signal Antenna Considered top of the line in Weak Signal Working Groups! $235. pdf – 143. Based on the details of a double T-match for a 50Mhz antenna with almost same low feeder impedance, a first attempt for matching was made. ---***---2 x 2. Steve Powlishen, K1FO, of Madison, Connecticut, passed away July 28 due to complications from cancer. In some applications, such as interference from or to points off to one side or below the main lobe, the reduction in beam width is a more important consideration than the FOR SALE: K1FO Assembled DSEFO432-25ATVA (Assembled and Tested) 25 element Yagi 422-440 MHz 17 Foot Boom Length N-Connector 70 CM Weak Signal Antenna Considered top of the line in Weak Signal Working Groups! The most critical of 432 yagis were developed by K2RIW, his 19 element design. For the contest, two meter bests were AJ6T CM87 cw, (406 miles) and VE7IRA CN89 ssb, (458 miles) plus VE7XF CN89 cw. 1 KB0OZN 15 ele HB K1FO 14. 42:1. Sandwiched around the 2-meter beam is a 432 MHz H-Frame with 4 homebrew K1FO-modified 19 element yagis and homebrew power dividers. com Introduction he boom of Yagi antenna is inevitable part of its construction. Many of these antennae have been Designed, Constructed and Optimized by Radio Amateurs. 2MHz). 0 KB0PE 20 element Yagi 12. OK1RF/p 108524 JN79KM 407 743 160W 2x13 el. Their rate of change of polarization is slow and will only work with the slow changes of Faraday, but not with one-way effects. While K1FO says taking such a short yagi out his long yagi design isn't optimized, it sure has a decent pattern giving 0. ft-212rh, 40w, 2x7 yagi yt0a kn04cd 4n2n kn04rr tr-751e, hl-180v, 170w, 4x3el. VE2ZAZ – January 2012 My Objective GET YOU INTERESTED IN WORKING EARTH-MOON- EARTH QSOs. f9ft DL9LAV JO54EF OL3Z JN79FX % IC x17 Rlement Yagi DH5BF JO50PK OK2C JN99AJ % K3 + TR 432 H 550 2x44 Element DL6UHA JO71HR DL0BLG JN47ET % TS el LY DH8WN JO50TW PA6NL JO21BX % TS-790E El. , Live Oak, FL 32060 USA Monday-Thursday 10am-7pm Eastern signal running 70 w and using a 5 el yagi. The new antenna is working great! Unfortunately my efforts to get the old amplifier going again have been less fruitful. 000 - 435. Yagi 5. This was his best DX to date, welcome Steve. 9 N9MYK Modified 10 ele Arrow Antenna 11. 7 W2RS MFJ 1717 12. 2 above this is not surprising. F2TU: driver LDMOS SSPA 150W, PA 2x3CPX800A7 design K1FO - 1,5kW, 10m Home Made Dish OK1DFC 1el. pe1rlf jo32cg 49 15136 3 9. The South tower is also a 40 ft Rohn 45 with the 4 K1FO, 17 ft boom, 2 meter yaggi array. Search results listed one per page. 6 FO22 yagis (two views) with polarity rotation originally built by K1FO as part of his 12 FO22 yagi array. Pl. MHz OWL 2m Yagi – Ideal portable antenna or SOTA Centre Mount. Call: Name: CW: JT65: SSB: Antenna: Power (Watts) Qsl: 1: N2IQ: Mark ***-----14. Yagi Antenna Elements Boom Correction. 48 K1FO yagi. 1875" 14 134 -168. Wish I had the K1FO antennas as I had one for 432 and it worked very well. Light weight for a 14. 1 KB0OZN 15 ele HB K1FO 14. Steve Powlishen, K1FO, has developed VHF/UHF Yagi-design families that require only a simple element-length correction as elements are added. 273 VE3DDW EN93vu ON Hillsburg 3W to halo @ 12 ft (1686' ASL). 89 KB Supplemental Files – 2014 ARRL Handbook Supplemental files are included on the CD-ROM. 5 Ohm yagi designs (50 ohm design see down) Drill two holes through the side of the connection box, they will hold the radiator in place. 3 1200 W 120 el. More info: Sep 7, 2011 In the late 1980's I was absorbed by the work of K1FO in his pursuit of a 8 of his then experimental 32 element yagis for 432 MHz in the hope I VK3DIP's YagiCAD will calculate a similar G/T for a single Yagi system. Driven element dimensions are L = 13. A NEC model showed that the pattern stunk and the input impedance was pretty far from 50 ohms. 8 WD5AGO 10 …432 MHz Gain dBd Call Description 1. This is Jun 24, 2017 Like I think that K1FO's "An Optimum Design for 432 MHz Yagis", QST 87/88 might be placed somewhere between the DL6WU Double The Majority of these pictures were provided to K2UYH for the 432 MHz And Above EME Newsletter. He was using tropo setup with Yagi antenna and AF139 front end. The inertial backlash after rotating can be a problem when trying to zero in on a signal. We take great pride in building a quality product that will give years of …Outside on a 40 foot tower were a Mosley TA-33Jr. This month. The K1FO antennas can be purchased through Directive Systems. and Nov. The number of possible configurations for linear-element antennas at 432 MHz (and the number of proponents of each type) has reached epic proportions. com Introduction he boom of Yagi antenna is inevitable part of its construction. OK2KKW JO60JJ - erecting of 12x6el dk7zb on 18m high telescopic mast for 432 MHz during May 2nd Subregional contest 2015. LES ANTENNES RESUME TABLE DES MATIERES. Cushcraft 10-4CD for 10M. FOR YOUR SAFETY VK3DIP's YagiCAD will calculate a similar G/T for a single Yagi system. The 1:1 balun . The element lengths and spacing were calculated using http://www. It has a gain of about 14. They include additional discussion, related articles, additional projects, full-size PC board etching patterns and templates, Over 380 Great Ham Dealer Links and Growing! How to find the equipment you are looking for, and get the best prices BEFORE you buy! You can also contact the people who make & service radios here. 1997 OK1DFC completes his first contacts on 1296 MHz. The House: 2-3 bedrooms, single level home, open area with kitchen, dining and living room, 2 baths and I tried scaling the 11-element 432-MHz cheap Yagi to 144-MHz. 300 K6ER CM87sv 1. favorite this post Nov 22 Gonset Communicator 2 Ham radio Receiver/ Transmitter $40 (isp > north babylon) pic map hide this posting restore restore this posting. Download tech torrent . Improving the K1FO 8874 432-MHz Amplifier. I used a compass and a protractor with fishing line to measure the antenna angle. 00 For Pick up South Florida Contact Bill KD4FRB at Cell 954-557-8541 favorite this post Oct 13 Ham Radio 2304mhz loop yagi $40 (cnj > Hamilton) pic map hide this posting restore restore this posting. $40. This EME Ham Gallery contains info - incl. We need a 1:1 balun at the feed point of our Yagi. 9 dB with a nice pattern at 144. It models and performs like similar length Yagis. arrow 1051 2. 0 W0LMD Dual Band Patch feed and 6 foot dish 13. 180 N0UO EM07sa KS Kiowa 3W 1810' AGL 432. The K1FO antenna is described in the following way in the ARRL handbook: The attention paid to the design process has been worth the effort. Yagi International Amateur Radio Union Region 1 UHF/MW Contest 2017 Unofficial results Date: 12-FEB-2018 Score QSOs CALL QRB 1 OK1RN JN79QJ 93096 285 2,5% 2,7% ON4GG 822 PWR: 2000 TX: 756proIII + xvtr Ant: 72el. Read abt. This antenna is peaked for 432. Directive Systems Warranty Policy. A. 8 m portable dish with patch feed. It uses the graphs and principles developed by DL6WU and printed originally in the German Radio Magazine VHF Communications (March 1982). The ARRL Handbook (1993 edition for reference) and ARRL Antenna book (18th edition) have the K1FO optimized Yagi designs in them. ブーム長は2mギリギリまで使用したいなどから、MMANAでK1FOをモディフアィしな Contest: IARU Region I. Moved Permanently. wa5vjb. 150$ picked up or delivered for shared cost and 4 * 28 El K1FO yagi's, 500W HB GS31 amplifier, WA2ODO LNA 100 initials and 29 DXCC432 MHz Antenna is a Cushcraft 424B, 22 elements on a 18 foot boom (top left on H frame). 5' HB 12. K1FO long boom design is a baseline. 6m dish: 1500: 2: OH2PO: Matti Antenna is 25el K1FO Yagi. Rainier in Washington state. There was a lot of e-mail communication about the right coupling of all parts to prevent blowing out the preamps, right PA driving etc. dimensions for the 12-element 2. Does anyone have the dimensions for the driven element and Tee-match for a K1FO style 2 meter yagi (centered on ~144. Author: Steve Powlishen, K1FO. 15) - (10*log Ta). 000 MHz with a reference at 432. C3I K1FO for 2M, and 4 el. antena wifi 840 × 432 pixels) designs is the classic K1FO yagi The initial stack of antennas as of 12/2015, from top to bottom: Cushcraft 19 el. Fully Symmetrical Coaxial Balun . Working Minnesota on 2M S9+20 sigs Working FM08 from 2M-432 while in motion Working N2PA on 3456 MHz 100+ miles away on the NYS thruway Getting complements on how loud we are on 10 GHz! Number of Initial Station Worked = 445 ; Nr. Of course you realize getting on 432 meant starting to think about EME on that band. 170 on the 2nd rig (if I don't get crowded out during an opening) and qsy to 222. 0 0 30 171. 300 K4IDC EM76ma TN Crossville 12w to omni loop 432. Each box of four Yagis can be manually rotated to either horizontal or vertical polarization in a few hours. They also show Now you tell me. JH4JLV and his antennas. 35" which makes 200 ohm line. Antenna for 70 cm 432 440 MHz is a curation of 77 resources about , 432 MHz 5 elements Yagi, 26 elelements 432MHz LFA Yagi, DG7YBN - GTV 70-2m, 432 MHz yagi antenna, Experimental Patch Antenna. Yagi antenna designs have come a long way in the past 10 or 15 years: The empirical designs of the late 1960s and early 1970s have been replaced by those that follow stricter theoretical design Below you can see the K1FO 25-element yagi we used for the Arecibo, Puerto Rico, EME experiment today. 9dBi), but has an unusually "clean" pattern. I just ordered 2 beams from M-Square, one for 432 and one for 144. The open wire is made from #8 enameled wire spaced . is a blend of technical expertise and common sense approach to accommodating your needs. However, last night was a different story. NOVA at w9ip. Antennas, Band-Pass filters, Preamplifiers. 8 WD9IVD 7 element K1FO Mod. yagi 1178 3. Cushcraft 17B2 yagi T his 17 element yagi on a 31 foot boom (4. 9 K0NY Cushcraft 19 ele. Use this indexed search to quickly find what you'd like to look at and then go purchase the scanned magazines (On CD, elsewhere, or occasionally from some generous download website) or look for the old paper magazine at used bookstores. OK1AR/p 150339 JO60RA 536 831 170W OK1DE 4. My dxpedition plans are as follows: 23 April, 1100-1600 It runs on 144 and 432 MHz, and has spots for optional modules for 50, 222, and 1296 MHz. Using 4x38 M2 yagis and 1. finished up on 432 CW with 22 QSOs and 1 new DXCC. 7. 9a2bw jn83gj 33 10230 2 3. OK1VEI 159681 JO70UR 537 1372 100W 15 el. A Butternut HF9V over a 60 radial field plays very well on the HF bands and a ½ wave helical vertical for 160m completes the farm. One Yagi has 3 elements and one has 7 elements. Hello John, I recommend that you look at the WA5VJB cheap yagi's and build an 11 elmt beam for 432 for starters to have more fun on the band. Resources listed under 70cm antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. a W1SL 2 tube and a GS35b for some real power. Here are some drawings of the design. 100 MHz. Field day results. Hi Zdenek, Thanks again for our 70cm EME QSO, your super station performs very well. 9. They may be used to stabilize the radiator in the box. Omni antennas can be used but are less gain and more susceptable to multipath ghosting. WARNING: INSTALLATION OF THIS PRODUCT NEAR POWER. From: 11 spojení s K2UYH JT65C, potom ještě CW 519 K dnešnímu dni na 432MHz s jednou horizontální 38 el. However, I should back up and discuss changes from the K1FO Yagi. Notice the polarity rotor on the aluminium "I" beam above the counterweights to offset the array. Rule out old Yagi designs – Constant element spacing not a good indication of modern design. 7 (Ubuntu) Server at qrz. 0 W0LMD Dual Band Patch feed and 6 foot dish 13. I am looking for a design of an antenna for a new 432 MHz EME antenna, which hopefully will consist of an array of 4 or 6 antennas. Chuck, W8MQW with 8 K1FO yagis at 432 MHz and a 10 ft dish on 1296 MHz from the country side. 432 mHz yagi (now replaced with a DSE 25 el. 432MHz Yagi a a feed. Both 144 and 432 operation are checked by home brewed RF Wattmeters with peak detectors and professional directional couplers. At this frequency, this antenna is getting very practical and easy to build. K. 4 KD4NOQ 7 ele Rolcon RCS7-420 12. 5 foot boom, low wind surface area (. % POW Ant. YW is one of the programs that comes on the ARRL Antenna Book CD-ROM and is a simplified antenna modeling program. Yagi: JW/SM2BYA, HB9Q, OZ4MM, DL9KR, SM2CEW, K1FO, K2UYH CW provoz K2UYH, EA3DXU JT65B provoz 12 K2TXP provozem JT- 44 na 2 m! The other antennas I tested were commercial 903 Yagi. We take great pride in building a quality product that will give years of …Only for 28 Ohm or 12. Exponents are NC1I and G3SEK. QRP on 1296 MHz, TM8EME de PA3DZL. 432: Pair 25 el K1FO The 144, 222 and 432 yagi pairs were bought new from C3i back in late 2003. By Wayne Overbeck, N6NB www. 17 dB less gain with a 10' boom than the M2 with a 14. checklogs used for 432 mhz: 2w0jyn 9a0c 9a1cdd 9a1cfi 9a1cms 9a1crs 9a1ea 9a1ww 9a2ey 9a2hx 9a2ko 9a2rd 9a2sb 9a2xw 9a3aq 9a3df 9a3dos 9a3ebp 9a5ig 9a5kk 9a5m 9a8bm 9a8d 9a9i da2t db0fjg db1bac db1hgv db1rul db4dy db8ah dc0yl dc1nnn dc1sk dc2ve dc3rj dc6cm dc6ri dc8ri dd1op dd5m dd7eq dd7mh dd8asc/p df0g df0geb df0mu df0ovh df0wf df1dt df1jc df1nab df1pu df1rd df2ap df2cd df2fr df2vj df3te UHF 432 MHz 4x K1FO 22 element side by side horizontal plane, fully adjustable between V & H mobile - EME Amp ITB ARCHIMEDES 432 MHz 1KW - NOT OPERATIONAL AT THE MOMENT Horizontal 6M5X 50 MHZ yagi • Band 432 MHz. His company, Lunar-Link Systems-- founded by Powlishen in 1994 -- manufactured and sold high To scale the K1FO 12 element 2 meter yagi to 432. Important correction: Steve Powlishen, K1FO, is NOT an SK! (W9GB had it A given antenna design for 432 MHz has the same gain as the same design for 144 MHz, but being only onethird as large intercepts only one-ninth as much energy in receiving. Category C CALL Points Multi Total Antenna 1 C W1AW/1 90 8 720 48 K1FO yagi 2 C JA6AHB 40 4 160 7mt. 1875" About 25 feet of high quality RG-8 foam coax runs to the rooftop where a K1FO FO-33 long yagi is often pointed at the crest of Mt. Several long pieces of 1/2 inch, lots of shorter pieces with THE LIST OF HYBRID ANTENNAS FOR 432 MHZ. 687 10 0 0 iw1fqd/1 jn34no 565 ft-817 5 w 7 el. ZL3TY . 432 MHz Antenna is a Cushcraft 424B, 22 elements on a 18 foot boom (top left on H frame). 06 KB Inexpensive Basic Stamp Controller. The elements are insulated from the boom using the protective endcaps from hypodermic needles. . (Anyone get the idea I like weak signal work. On the 29th June Norm VK3DUT and SWL Dave from Adelaide reported ZL TV and the ZL3SIX/b but no stations heard. 247 10 0 0 i4lck/4 jn54pd 273 25 w 11 el. Antennas, Band Pass Filters, Low Noise Yagi, Preamplifiers, Splitters Here is information from the VHF/UHF Long Yagi Workshop. Mast head pre-amp is by Mirage - Terry you will reclaim this very soon! Amplifier is Noikia TTRX Module 200W peak Radio is TS-2000X In the last year or two i have been tracking the UKHAS group and their balloon flighs with 434MHz downlinks in the licence free band. 075 W7QJQ EM25nu OK Welling 100 mW to omni. WB7SZM and I built the yagi in the early 90's to support our VHF/UHF contest activities. favorite this post Oct 14 K1FO 432 25 element Yagi $85 (Colts Neck NJ) pic map hide this posting restore restore this posting. 1500 watts 4 x C3I 16 ele . An ARRL Life Member, Powlishen was best known for his antenna designs for weak signal work. 78 sq ft),with a relatively good lobe width. 5-λ Yagi are shown in Table 13. com The station was a Kenwood TS-2000, TE 432AMP (175W), 23 element K1FO yagi (from the handbook), 10' RG-213, SSB Electronics 432 Preamp, MFJ 45 amp power supply and homebrew, manual Az-El mount. F/R = Front to Rear in dB over the rear 180 degrees of an antenna using either E or H plane. 3. By Steve Powlishen, KIFO 816 Summer Hill Rd Madison. 6 meters 1500 watts 4 over 4 k1whs AT 110' 5 ele short beam 45' 7 ele long yagi at 65' 2 meters 1500 watts 2 x M'2 18xxx 100' 222 mhz. The three following antennas have been optimized for typical boom lengths on each band. I also performed some tests with my new 1. Prizes will be distributed during the 24th Italian EME Meeting, Spring 2015. 4 4 element HyGain 0 Reference Dipole 144 MHz Gain dBd Call Description 15. It is not decided yet where I will use the dish and where the yagi, since it is quite some more work to put the dish up. 5 wavelength yagi has 33 elements and is 24 feet long. K1FO FO12 (144MHz) product reviews by real people like you. Our 144 MHz antenna kits with 10mm radiator contain screwed cable glands. Nordwaeger: QTC: 4/95: 12: Folded Marconi for Top-band JA5NNS, 144 and 432 MHz Moonbounce. I have built several K1FO style antennas for 432MHz so I'm familiar with how they are constructed. Asl ODX QRB ----- 1 OK1AR JO60LJ 735 190640 264. QSOs on 70 cm were K1FO, VE6TA, OH2PO, K2UYH, OZ4MM, DL0GER (the only 4 yagi station worked), N9AB, DL9KR, S52CW, FR5DN for initial #175 and DXCC 45, HB9Q, SP6JLW, DJ6MB, 432 MHz Station Microwave Modules MMT432-28S driving an AM-1178/GRC (4CX250K), 550 watts to a 22 element K1FO yagi with full elevation and a Lunar PAG432 preamp mounted quite close to the yagi feed. The yagi is supported by a mostly fiberglass stepladder and secured to it by a rubber strap and dacron line at the base. John, K3PGP, Moonbouce without FCC involvement, and very weak echo's. The article was titled Extremely Long Yagi Antennas. - 144 MHz Single op. Greetings, all. Yagi OE3JTB JN78QN I4LCK/4 JN54PD 21 element 650m OE5MKN 432 MHz Category B - 1296 MHz DK3WG J072GI 4X27EL K1FO S50C JN76JG YO8KRR/p KN27OD 500 W 4x26el. Folksonomy: A system of classification derived from the practice and method of collaboratively creating and managing tags to annotate and categorize content; this practice is also known as collaborative tagging, social classification, social indexing, and social tagging. favorite this post Oct 5 Sangean ATS-803A - SHORTWAVE RADIO - very nice shape $45 (cnj > Hamilton, NJ) pic map hide this posting restore restore this posting Antega Yagi Wifi - Free download as PDF File (. Since then, my station consists of the following: 432+ eme stations dir. Wanted--antennas and 432 brick Posted by Rus Healy, K2UA. This means the balun will connect to a 50 Ohm unbalanced line and present a balanced 50 Ohm output. OK1KIR achieved 1st. 7 JO80FG 1099 IQ1KW 934 2. As the station evolved, a 25 element,17 boom K1FO Yagi and a unique rotatable 26 foot mast were designed and constructed which could be disassembled into short sections for ease of transportation and rapid set-up. OK1RN 98099 334 292. —– not a priority but it should be (UPGRADED March 28-29 2011 with AF Monitor, DBM Mixer for RF monitoring and 1KHz Signal Generator) Listed below is the Table of Contents for the ARRL QST 1987 July magazine. Dish Cl* HB9Q Band 1,2 GHz. com Port 4432W yagi beaming NE 222. 20 minute DIY 3 element beam constructed out of an old wardrobe and a few sections of wire. 1296 MHz ARRL EME Contest Oct. tri-bander, a home-brew 4 element 6 meter yagi, a Cushcraft 215WB for 2 meters and a K1FO 22 element yagi for …Oct 19, 2006 · Wish I had the K1FO antennas as I had one for 432 and it worked very well. Would be a great performet for 1296 MHz or modest on 432 MHz EME. CALL. This parameter gives an indicator of the : antenna "Q" and what to expect with with stacking and wet weather. Does anyone have the dimensions for the driven element and Tee-match for a K1FO style 2 meter yagi (centered on ~144. A given antenna design for 432 MHz has the same gain as the same design for 144 MHz, but being only onethird as large intercepts only one-ninth as much energy in receiving. 7 K3IWK 10 element 17. 1975: First serious contact attempt on 432 MHz (K1FO PA), preamplifier by OK1CA 0,4 dB N/F. VHF/UHF BEACONS by WZ1V 144. This is mechanically complex, although some might argue that it’s sturdier than my solution. I had great plans to put up two K1FO 22 element 432 yagis in my backyard, but I ran out of time. 135, 432. MMMonVHF. Here is a link to SM5BSZ's collection of Boom Correction information . This antenna has been around for a number of years (clearly) and is available commercially from Directive Systems. KB3PD, a Yagi Array with Polarity Rotation for 144 and 432 MHz, K6JEY, Moonbounce, astronomy and microwave. Hi, I have stacked 2 yagi’s, but want to stack 2 more. These antennas aren't up very high off the ground, but our QTH is at about 1250 feet above sea level and has a commanding view in all directions. Improving the new project AMC-1 (with new units like RF and AF generators, dummy loads for 50/75 ohms, antenna analyzer, DSB RX for modulation quality tests etc. SUBREGIONAL VHF - UHF - SHF CONTEST 2002 RESULTS: Kategorie 1. 432 MHz Earth – Moon – Earth Communication. 2m portable Yagi antenna 7. 2MHz). Here are some links that may get you going in the right direction: This first two are a comparison of the performance of some popular 432 Yagi antennas. Element Length Correction due to Boom. favorite this post Oct 14 K1FO 432 25 element Yagi $85 (Colts Neck NJ) pic map hide this posting restore restore this posting. tri-bander, a home-brew 4 element 6 meter yagi, a Cushcraft 215WB for 2 meters and a K1FO 22 element yagi for 432…432 MHz Earth – Moon – Earth Communication. Single yagis with 12+ elements and 50 watts are pretty easy for me to work. 1 MHz. Knowing that W5UN had built an array of wood-boom antennas for his EME setup, I looked into readily-designed options. 300 K6ER CM87sv CA Sausalito 2W horizontal 1125' amsl. n6nb. I was also lucky enough to get a 22 element K1FO yagi from N1RWY, so the little family of yagis on the tower grew again. 6 NA0IA 6 ele Cheap Yagi 10. The House: 2-3 bedrooms, single level home, open area with kitchen, dining and living room, 2 baths and And 432 MHz sports a 22-element K1FO yagi. ARRL Product Review of the M2 6-Meter HO Loop Antennas. Preferred boom lengths from 16-24 feet; K1FO (FO22/FO25 for 432, FO12 for 2 meters) and K1JX designs strongly preferred. The element lengths should be shortened by 17 mm for best operation between 146 and 148 MHz. The signal is about 5 dB better than with my yagi. part 3: 432 MHz with Knadle and Tillon Applied Yagi antenna design. One …favorite this post Oct 14 K1FO 432 25 element Yagi $85 (cnj > Colts Neck NJ) pic map hide this posting restore restore this posting. 4 2. To get the spacing for the connectors; set up as 6M on one and 144/432 on the other –Makes sense to have two antennas, one on 6M and one for 432/144 MHz –Moxon on 6M, DK7ZB on 432/144 MHz •With single band rigs, or rigs with antenna connectors for each band, single band antennas make more sense 5W to yagi @ 135'. 275 VA7SIX CN89 BC Coquitlam 50W to squalo @ 600'. 222. wsjt Weak signal ham radio communication Brought to you by: bsomervi , k1jt "The smallest station I have ever worked on 432 EME is a 3-element yagi (that’s not a typo it was a three element yagi) and 60-watts so it doesn’t take much. Listing of Worldwide 144MHz Amateur Radio Beacons. K1FO 22 Element yagi: This Does anyone have the dimensions for the driven element and Tee-match for a K1FO style 2 meter yagi (centered on ~144. This is At the present time, the best solution for yagis at 432MHz is to mechanically rotate the Since then, WA9FWD [7] and K1FO have built 16-yagi rotatable arrays. 75 KB Inexpensive 10 GHz Dish System. 300 K5YG EM50oj MS Ocean Spring 8W HO loop or yagi toward EL98. 432 MHz Antenna Comparison Chart Other antenna comparison charts and listings If you want to build your own antenna, here are some VERY good designs to start with !The photo shows the K0RZ 432 EME antenna composed of 8 each K1FO 22 element Yagis. 6 700 DL6WU 1244 IK1AZV/1 776 2 OK1DKZ JN69GX 617 171556 284. Station Information FREQUENCY POWER ANTENNA. Number of Initial Station Worked = 445 ; Nr. Here is a link to DG7YBN's Boom Correction Notes and his Practical Yagi Building page . I have built several K1FO style antennas for 432MHz so I'm familiar with how they are constructed. —– not a priority but it should be (UPGRADED March 28-29 2011 with AF Monitor, DBM Mixer for RF monitoring and 1KHz Signal Generator) 8. Also building amps for 2M. There is no need to change element spacings. I will give com- plere construction details and show how to whole yagi group. For 432 it's either a pair of K1FO's 22 element yagis or a YU7XL Low Noise VHF/UHF Hybrid Quad-Yagi antennas by Bukvik 'Boban' Slobodan 7L1TIG Kazuo, 7L1TIG's Ham Radio web in Japanese, many details on 430 MHz K1FO and GTV Yagi designs; Dubus "The serious magazine for VHF and up amateur radio" K6STI's bent DE The early and initial bent DE design - Brian Beezleys "Small Wideband Yagi" Hi, I have stacked 2 yagi’s, but want to stack 2 more. The old and the new, showing the yagi's I started with at the bottom shed along with the new stack on the tower. The K8GP Grid Pirates Contest Group set up operations from their new location in Virginia, grid FM19bb. 135 and near . 9 is0bsr/is0 jn40mw 670 5 2 1490 yagi 3 el 668. 275 ( Moonbounce ) Here you find a collection of EME stations with their WEB pages. A look at the 432 MHz operation stand - PA with the peak wattmeter, 75 Ohm feeding cable and part of the single K1FO 33 el. 300 WA4FC FM17hd VA Petersburg 15W to Diamond vertical @ 200'. Z ohms = The natural impedence of a single antenna in free space. 281 KJ6KO CM88ws CA Bald Mtn 50W to 4 loops favorite this post Oct 13 Ham Radio 2304mhz loop yagi $40 (cnj > Hamilton) pic map hide this posting restore restore this posting. $850With so many "big-gun" EME stations on 2 meters, even a "modest" station with a single yagi and 100 to 200 watt "brick" type amplifier can give EME a try! If you're interested in giving EME a try, check out the links below and be sure to check in to the 2 Meter EME Net, held every Saturday on …My station was a simple 432 UHF yagi based on the K1FO design. This parameter gives an indicator of the antenna "Q" and what to expect with with stacking and wet weather. 9 K0NY Cushcraft 19 ele. A given antenna design for 432 MHz has the same gain as the same design for 144 MHz, but being only onethird as large intercepts only one-ninth as much energy in receiving