6m and 4m antennas. Innovantennas Home of the LFA Yagi - G0KSC Designed Antennas 144MHz Plus2 LFA Yagis Categories X-POL Versions of Any Yagi available upon request - Power Ratings are limited by your Coax, Most antennas can handle 10KW+++ 'Special Designs' and Station designs and planning Upons request. A lot has changed during that year, many small stations go 70 cm EME since, try yourself. 144Mhz LFA Yagi I have just finished construction of the new 9 element lfa yagi designed by Justin ( G0KSC ) he very kindly provided details for 9. , 144MHz, 1296MHz. Now looking at the list, you will note that each G0KSC LFA listed (all antennas on the list have to have been built and tested) is not just far better in SWR bandwidth (measured between 144MHz and 145MHz showing less than 1. The G0KSC LFA (Loop Fed Array) Yagi has quickly become 'the one to have' if you are looking for serious weak signal work on the bottom of the 2m band. Le K5GW progettate e costruite da Gerald di Texas Tower non erano purtroppo importate in Europa e così, ci fu chi oltre oceano, con molto ham spirit, mi passò le informazioni per costruirmele e metterle a punto. Only at eHam. Sebuah Low Noise-'Perkotaan' 14 elemen ultra low-noise LFA Yagi untuk 144MHz Revisi 27 Agustus 2009 V1. I WILL MODEL THIS ANTENNA IN ANY TUBE SIZE OR TAPER SECHDULE FOR YOU, CONTACT ME VIA EMAIL. 5 cm shorter than a. 10GHz 23cm 50MHz 70cm 144MHz 432MHz 474THz 1296MHz Alpe adria Amsat antenna Arduino ATV audio Coax cables connector connettori coassiali cucina CW electronics Elettronica Flash EME ham HF I-link Linux magic band maker Medicina microwave moonbounce optical communication QRP radioastronomy Radio Kit Elettronica Radio Rivista Renon Sandit SAQ satellite SDR SOTA SOTA; HF VLF yagi. Instead, use a quarter-wave section of coax, connected to the feed at one end, shorted to the boom at the other to maintain a DC short and noise immunity. InnovAntennas 6-element 6m LFA Yagi product reviews by real people like you. 5mm diameter elements, the yagi is very quite and performs very well the next step is to convert to a cross yagi for satellite operations. One of the reasons for this is that it simply is not that difficult, once you know how. Justin G0KSC published design information for his Low-Noise 'Urban' 8 element LFA Yagi for 144MHz on 25th August 2009. InnovAntennas LFA-12-144 12 element 144MHz LFA Yagi. A 3 element LFA Yagi for 24MHz with a 3. Callsign: Loc: QSOs: QSO Points 7 ele LFA yagi: Unexpectedly good tonight after such poor weather. BUILD YOUR YAGI ANTENNA. 144 - 146 MHz 6 elements Yagi antenna. Antena Yagi 8 Ele. Justin G0KSC published design information for his Low-Noise 'Urban' 8 element LFA Yagi for 144MHz on 25th August 2009. The 9el LFA for 144Mhz iinstalled at DL4KUG A close up shot of the G0KSC 1:1 'Antenna Balun ' installed on the 9el LFA The finished 4 x 9el Array at DL4KUG. 2m, yagi, 10 ele, 13. A 2 element LFA-Q (Super-rigid Quad-style) Super-Light Yagi for144-146MHz. mounted parallel with the rest of the elements). A Very Low Noise Yagi for serious DX and EME applications. 2 dBd forward gain with all backlobes more than 20 dB down across the FM broadcast band. 5mm diameter elements, the yagi is very quite and performs very well the next step is to convert to a cross yagi for satellite operations. Date UTC Call Locator QRB Mode Best signal. 2m Boom - Super Quiet Antenna for City Locations at the best online prices at eBay!. PKWTHF3E Radio Amateur Antenna. 144Mhz LFA 11 elementi Acum 3-4 luni am inceput constructia unei antene LFA pentru 2m dupa datele lui G0KSC. From that day I heard a lot of stations on 4m. 144Mhz Station; Constructions. Our 2m, 2x16ele LFA crossed yagi attached to a 13m dish at the EME 2014 conference in Pleumeur-Bodou (France). Callsign: Loc: QSOs: QSO Points: P/Qso: Mults: Total Points: Best DX: Dist: Power: Ant: Comments: Email: MO: G8T: JO01: 421: 133,092: 316: 106: 14,107,752: OH6ZZ. The first design is actually to short to be called a real 6 elements monobander. Harris Platinium CH6 amplifier. Small Five-Element Yagi. Dodavatel radiových a anténních systémů a jejich příslušenství, Koaxiálních kabelů a konektorů, Měřicích přístrojů GPS navigací a meteostanic Autorizované zastoupení Kenwood, Yaesu, Ten-Tec, RigExpert, WiMo, SSB Electronic, Innovantennas, Optibeam, SteppIR, Force12 aj. My best entry so far. The Sirio SY 27-4 is a very good light weight, high gain quality, Yagi antenna that won't break the bank. 2m 3el yagi Antenna Super Wideband 7. My friend sparkys sirio sy4-4 beam - YouTube. Separate systems with nearly zero interaction between the two antennas. 35 G3WZD/A IO70SS 10 2,750 275 15 41,250 171 GM4JJJ 593 400 Trowbridge & DARC 10 ele LFA yagi @ 13m, 80m ASL IC706G MkII 36 M0RJL IO90AR 14 1,533 110 12 18,396 146 M1MHZ 272 50 Flight Refuelling ARS 2x6 ele yagi @ 4m, 100m ASL yaesu ft 897d 37 G4JGH IO92BK 11 1,417 129 12 17,004 122 GD8EXI 265 50. This compact 5 element 144Mhz LFA provides stunning performance across the whole 2M band (144-146MHz Specify if you require a different frequency range). The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals. 5 to 7 metres long tw i nboom antenna. Sebuah Low Noise-'Perkotaan' 14 elemen ultra low-noise LFA Yagi untuk 144MHz Revisi 27 Agustus 2009 V1. It has gone through a few revisions over the years (this is version 4) and is now a 6 element Yagi Uda (poor Uda never seems to get a mention), based on a DK7ZB design, with a little tweaking in EZNEC. 8 ele LFA or 4 x 8 ele I0JXX @ 12m, 12m ASL (TX) IC746 (RX) IC746 or Anglian transverter + lin 15 M0PNN IO82TS 60 9,044 39 352,716 500 GM3WOJ 567 100 Telford & DARS X2 8 ELE LFA @ 10m, 71m ASL IC 910 16 GM4TOE IO87RP 18 8,217 23 188,991 464 DL4LAB 907 250 GMDX 8 element yagi @ 6m, 70m ASL. , 144MHz, 1296MHz. The amount of activity on 144 MHz has increased significantly since I first became active in the mid 1970's. One of the best 9 elements Yagi antenna with highest possible gain for its length. Hits: 73 Now that the VE7BQH list has had some added parameters to better show noise performance in urban and city environments, the LFAs now stand out against anything else almost without exception. High-Power; 48v 60amp strømforsyning; Harris Platinium 144Mhz amp. VE7BQH G/T chart. Claimed scores for 144MHz UKAC 1 Oct (200 scores) Section. Arduino web server Ajax; Noise-scource kit; 144mhz SSPA 2xBLF188xr water cooled; SSPA Display; Rotorkontrol Arduino ; 144 Mhz Low-pass filter. After the QSOs it was a gift and the first prize of a lotery among all attendants of the conference. 300MHz Again at 144. A never ending quest for the optimum 6m antenna led me to try a Loop Fed Array Yagi. This link is listed in our web site directory since Thursday Jan 21 2010, and till today "12el 144MHz Plus2 LFA" has been followed for a total of 2466 times. YBN 2-8m version is the prolonged 5 ele. The choke offers close to 500 ohms of impedance at 144MHz, so 2 chokes per yagi is more than good enough to choke off any current on the outer of the coax. 35 G3WZD/A IO70SS 10 2,750 275 15 41,250 171 GM4JJJ 593 400 Trowbridge & DARC 10 ele LFA yagi @ 13m, 80m ASL IC706G MkII 36 M0RJL IO90AR 14 1,533 110 12 18,396 146 M1MHZ 272 50 Flight Refuelling ARS 2x6 ele yagi @ 4m, 100m ASL yaesu ft 897d 37 G4JGH IO92BK 11 1,417 129 12 17,004 122 GD8EXI 265 50. 7 elements LFA Yagi for 144MHz. An 10 element Low Noise Plus2 LFA Yagi for serious DX and EME applications. This post highlights some of the technical and intellectual property points concerning the Loop Fed Array (LFA) high performance Yagi-Uda antenna designs created by Justin Johnson (G0KSC)[1] and his computer technique using NEC and self-refining Particle Swarm Optimization and other Genetic Algorithm techniques. 144 - 146 MHz 6 elements Yagi antenna. The amount of activity on 144 MHz has increased significantly since I first became active in the mid 1970's. LFA 144Mhz 11 elements antenna Urmarind cu ce lucrau ceilalti prin concursurile de VHF si in legaturile EME am constatat ca multi din ei folosesc antenele numite LFA Yagi de la G0KSC. InnovAntennas Vertigo-43V 5-band vertical antenna. RSGB President writes to Ofcom about 144MHz In our next step in an ongoing effort to protect the 144MHz band, the RSGB President has written to Ofcom regarding the recent World Radio Conference WRC-23 aeronautical proposal. Amateur Radio News from Jon Stow, G4MCU. The power splitter is fitted using a homemade clamp. The Sirio SY 27-4 is a very good light weight, high gain quality, Yagi antenna that won't break the bank. 1:1) and yet has maintained an excellent pattern at the same time. This link is listed in our web site directory since Thursday Jan 21 2010, and till today "12el 144MHz Plus2 LFA" has been followed for a total of 2466 times. My antenna array is 4x6H which is 4 stacked 6-element yagi-antennas PA144-6-2 with horizontal polarization. 3 x 9 ele LFA, 2 x 5 ele LFA wet, windy, dropped yagis early, no 70cm as killed a rotator, need to look at Rx filtering as being hammered by large stations,poor activity 6O. The G0KSC LFA (Loop Fed Array) Yagi has quickly become 'the one to have' if you are looking for serious weak signal work on the bottom of the 2m band. The LFA ("Loop Fed Array") has a rectangular dipole with 1λ length. One of the best 9 elements Yagi antenna with highest possible gain for its length. Harris Platinium CH6 amplifier. You have a small house yard and there is no room for a bigger antenna? Probably, the tw i nboom antenna is the answer. This compact 6 element 144Mhz LFA provides stunning performance across the whole 2M band (144-146MHz Specify if you require a different frequency range). Added 7 144MHz elements that fits on the existing boom. The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals. Description The new LFA-R reflector-less Yagi is a step forward in Yagi design and performance. The G0KSC LFA (Loop Fed Array) Yagi has quickly become 'the one to have' if you are looking for serious weak signal work on the bottom of the 2m band. Since 1986, M2 Antenna Systems has been building high-quality antennas, positioners, and accessories for radio amateurs. Hits: 73 Now that the VE7BQH list has had some added parameters to better show noise performance in urban and city environments, the LFAs now stand out against anything else almost without exception. I’ve installed a simple 50Mhz dipole at my second QRL, I’m trying to work many countries as possible in QRP. The LFA Yagi is available in single-plan and X-pol versions. As a single, double and 4 stack system, the LFA Yagi is the one to have. 7mm) and 3/8 inch (9. I WILL MODEL THIS ANTENNA IN ANY TUBE SIZE OR TAPER SECHDULE FOR YOU, CONTACT ME VIA EMAIL. This compact 5 element 144Mhz LFA provides stunning performance across the whole 2M band (144-146MHz Specify if you require a different frequency range). The most common used yagi. 6dBi from this antenna! Rear mounted 5 element version pictured Another impressive design from G0KSC, 'The Quad has. Avoiding the risk to pick up too much RF from the 7ele 6m yagi below on the 2m set. 500 MHZ ELEMENTOS REFLETOR, DIRETORES 1,2 E 3 = VARETA DE SOLDA 1/8 DE POLEGADA LOOP LFA = TUBO DE 8 MM ALUMINIO PONTAS DO. Setiap ham dapat membangun untuk mereka gunakan sendiri atau mereka dari seorang teman. 10el 430-435Mhz LFA 180cms boom 14. The element sizes are based upon DK7ZB designs. My best entry so far. thanks to G0KSC. DG7YBN - Low Noise Yagis. 64λ yagi some 329mm shorter than rival G0KSC's 8LFA design, and 296mm shorter in length than Hartmut's GTV28W yagi with bent driven element. I became active on 2007-08-29 when I finished my transverter and made my first rx attempts. Added 7 144MHz elements that fits on the existing boom. 2mm Wideband UHF 430MHz 2019/05/19 70 cm 5el Yagi Antenna 8. # 6m/4m Yagi #. Even single yagi stations with good horizons are. LFA Yagi Antenna. A Very Low Noise Yagi for serious DX and EME applications. LFA 144Mhz 11 elements antenna Urmarind cu ce lucrau ceilalti prin concursurile de VHF si in legaturile EME am constatat ca multi din ei folosesc antenele numite LFA Yagi de la G0KSC. YBN 2-8m version is the prolonged 5 ele. The first design is actually to short to be called a real 6 elements monobander. Where profit or commerical gain exists, express permission of G0KSC must be sought. The antenna can be broken down for easy storage and transportation and can be assembled using a single screw driver. 7 elements LFA Yagi for 144MHz; GlobalSET 2009/2 Freq & Stations; Setting up 2 elements 20 meter antenna for 9M2ODY 9M2GET Antenna Tower in Perlis; 2 Elements 20 meter Yagi (for 9W2ZAK) 2 Elements 20 meter Yagi (for 9W2ODY ,under constr October (4) September (7). One of the reasons for this is that it simply is not that difficult, once you know how. As per my previous post I have been looking at building a LFA yagi. 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. G4DCV Backyard EME I have used various small antennas for backyard EME and many of my QSOs have been made with just a single 9 element Tonna which was hand steered for azimuth and elevation. Contesting. 8 ele LFA or 4 x 8 ele I0JXX @ 12m, 12m ASL (TX) IC746 (RX) IC746 or Anglian transverter + lin 15 M0PNN IO82TS 60 9,044 39 352,716 500 GM3WOJ 567 100 Telford & DARS X2 8 ELE LFA @ 10m, 71m ASL IC 910 16 GM4TOE IO87RP 18 8,217 23 188,991 464 DL4LAB 907 250 GMDX 8 element yagi @ 6m, 70m ASL. I became active on 2007-08-29 when I finished my transverter and made my first rx attempts. TheInnolvAntennas /by G0KSC/ LFA Yagi is a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals. LFA 144 MHz polarizacion H A diciembre de 2017 estas antenas tengo para VHF: YAGI 8 ELEM 144 MHz LFA polarizacion Horizontal a 10 mts del techo GP-1 Comet 144 / 440 MHz vertical arriba de todo. Description A 3 element 144MHz LFA-Q (Super-rigid Quad-style) Super-Light Quad StyleYagi for 144-146MHz The LFA-Q Packs a bigger punch than a traditional Yagi with MUCH MORE GAIN per metre of boom If it is GAIN you want from a small boom, this is the antenna for you!. Another look at Magic's ((9A2AE) 16 x 11el 144MHz LFA system, this is one awesome setup and just for tropo /Es too! The 11el 144MHz LFA low noise Yagi and others like it at www. 11 ele LFA @ 12m, 60m ASL Yaesu FT-847 32 M0SAT IO91TP 79 10,315 35 361,025 810 GI4SNA 496 100 Drowned Rats RG 9 ele LFA @ 12m, 69m ASL IC9100 33 G4JLG IO83TM 69 9,745 37 360,565 804 F8BRK 501 100 Bolton Wireless Club 10 el LFA YAGI @ 11m, 60m ASL (TX) Icom 9100 (RX) Icom 9100 + Preamp. 64λ yagi some 329mm shorter than rival G0KSC's 8LFA design, and 296mm shorter in length than Hartmut's GTV28W yagi with bent driven element. 144MHz 2m Portable Yagi VHF Beam Antenna. Dimana keuntungan profit atau komersial ada, mengungkapkan izin G0KSC harus. G4DCV Backyard EME I have used various small antennas for backyard EME and many of my QSOs have been made with just a single 9 element Tonna which was hand steered for azimuth and elevation. Heard on Icom IC-275A, 20m H-1000, 10el Yagi DK7ZB @12m AGL (about 13dBd) without LNA & elevation rotor. 300MHz Again at 144. 11 ele LFA @ 12m, 60m ASL Yaesu FT-847 32 M0SAT IO91TP 79 10,315 35 361,025 810 GI4SNA 496 100 Drowned Rats RG 9 ele LFA @ 12m, 69m ASL IC9100 33 G4JLG IO83TM 69 9,745 37 360,565 804 F8BRK 501 100 Bolton Wireless Club 10 el LFA YAGI @ 11m, 60m ASL (TX) Icom 9100 (RX) Icom 9100 + Preamp. You have a small house yard and there is no room for a bigger antenna? Probably, the tw i nboom antenna is the answer. The choke offers close to 500 ohms of impedance at 144MHz, so 2 chokes per yagi is more than good enough to choke off any current on the outer of the coax. Here is a photo and comments from a builder of one of my HF Yagis. Se og hør optagelsen her. Silakan baca 'bagaimana membuat Loop LFA' halaman di sini Download versi Eropa dan Inggris / USA antena ini dalam format EZNEC SINI SWR Plot untuk versi Eropa dari G0KSC 14el Yagi 144MHz LFA Membangun Dimensi untuk Inggris / USA Version Elemen Spasi Length Setengah meter elemen dalam Catatan Elemen meter. Small Five-Element Yagi. The 8 elem. This compact 5 element 144Mhz LFA provides stunning performance across the whole 2M band (144-146MHz Specify if you require a different frequency range). 2 dbi, 1kw $179. Claimed scores for 144MHz UKAC 1 Oct (200 scores) Section. Another look at Magic's ((9A2AE) 16 x 11el 144MHz LFA system, this is one awesome setup and just for tropo /Es too! The 11el 144MHz LFA low noise Yagi and others like it at www. 500 MHZ ELEMENTOS REFLETOR, DIRETORES 1,2 E 3 = VARETA DE SOLDA 1/8 DE POLEGADA LOOP LFA = TUBO DE 8 MM ALUMINIO PONTAS DO. Dimana keuntungan profit atau komersial ada, mengungkapkan izin G0KSC harus. 40 m horizontal and 2. 7 element LFA yagi for 2 metres, 13 element LFA yagi for 70 centimetres and 23 element Tonna for 23 centimetres. The beam was designed for a resonant frequency of 432. group Hght: 21;129. Cheap Yagi Antennas for VHF/UHF by Kent Britain, WA5VJB edited by John Maca, AB5SS [Editors notes: The antennas described in this article were built as the result of several discussions between Kent and a Cuban radio operator. The amount of activity on 144 MHz has increased significantly since I first became active in the mid 1970's. A lot has changed during that year, many small stations go 70 cm EME since, try yourself. 154 "yagi" 3D Models. these yagi antenna designs are not for commercial use of any kind without prior consent! Private experimenters are free to use these designs for their own personal enlightenment. 16el 430-435MHz LFA 340cms boom 15. September 4, 2012. In my early stages of DXing, this was my first DX-antenna which resulted in 60 DXCCwith 4 watt 40 channels in FM ! Compared to a dipole the mentioned gain of 6 dB will provide an equivalent from 400 watt on a dipole to 100 watt on the 3 elements yagi. DD2D 8x5 Element Yagi - Duration: 1:33. Zgotovio sam dvije antene Lfa 7el dužine 2. Where profit or commerical gain exists, express permission of G0KSC must be sought. It has gone through a few revisions over the years (this is version 4) and is now a 6 element Yagi Uda (poor Uda never seems to get a mention), based on a DK7ZB design, with a little tweaking in EZNEC. Page 2 of 3 < Prev 1 2 3 Next >. Instead, looking at overall sidelobe content, in particular the forward lobes, has a major impact on delivering a quiet EME antenna system for the higher bands (144MHz and upward)! CQMDX designs (Self Build/Homebrew) represent a quantum leap in Derek's development of the AOWA (Advanced OWA) style yagi beam using a simple Split Dipole as the Driven Element !. 7mm) and 3/8 inch (9. Premium commercial versions of this antenna at Innovantennas. 5 to 19 meter boom. 1:1 with no matching device) but there is not one antenna of a similar boom length that has a better G/T or Sky. Am cautat pe pagina lui documentatia la o antena potrivita ca lungime si performante destul de bune si m-am oprit la cea cu 11 elementi denumita " A Low-Noise. A good Yagi design is as easy to build as a poor one SO, ALWAYS BUILD A GOOD DESIGN ! For 144MHz long yagis, the standard reference for comparing many different designs is by VE7BQH: A G/T Study of Two Meter Yagi Systems. A Low-Noise 'Urban' 7 element LFA Yagi for 144MHz. 2m Boom - Super Quiet Antenna for City Locations at the best online prices at eBay!. The choke offers close to 500 ohms of impedance at 144MHz, so 2 chokes per yagi is more than good enough to choke off any current on the outer of the coax. A 2 element LFA-Q (Super-rigid Quad-style) Super-Light Yagi for144-146MHz. 20 m vertical. group Hght: 21;129. No-compromise yagi for 2m and 70cm, consisting of a 3-element yagi for 2m range and a 6-element yagi for 70cm. 40 m horizontal and 2. LFA Yagis differs a lot from the traditional Yagi design. A Very Low Noise Yagi for serious DX and EME applications. Even single yagi stations with good horizons are. 3 ELEMENTS YAGI. InnovAntennas 5 EL LFA 6 Meter Yagi product reviews by real people like you. The first design is actually to short to be called a real 6 elements monobander. Description The new LFA-R reflector-less Yagi is a step forward in Yagi design and performance. net is a Web site dedicated to ham radio (amateur radio). The result is an ultra clean antenna which will be a stunning performer for 144MHz. This compact 3 element 144Mhz LFA provides stunning performance across the whole 2M band (144-146MHz Specify if you require other frequency range). 7 elements LFA Yagi for 144MHz; GlobalSET 2009/2 Freq & Stations; Setting up 2 elements 20 meter antenna for 9M2ODY 9M2GET Antenna Tower in Perlis; 2 Elements 20 meter Yagi (for 9W2ZAK) 2 Elements 20 meter Yagi (for 9W2ODY ,under constr October (4) September (7). 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. PKWTHF3E Radio Amateur Antenna. and even more so for any x-pol Yagi, with elements mounted through the boom we want a dipole to be same. Prices 20% less for customers outside of EU. That day I monitored the I0JX/B Beacon and could receive ms bursts. While there are plenty of high performance antenna designs,. Locatormap 144mhz EME; My log on 144mhz EME; DXCC on 144Mhz EME; My Rig. The G0KSC LFA (Loop Fed Array) Yagi has quickly become 'the one to have' if you are looking for serious weak signal work on the bottom of the 2m band. Description A 3 element 144MHz LFA-Q (Super-rigid Quad-style) Super-Light Quad StyleYagi for 144-146MHz The LFA-Q Packs a bigger punch than a traditional Yagi with MUCH MORE GAIN per metre of boom If it is GAIN you want from a small boom, this is the antenna for you!. The InnovAntennas /by G0KSC/ LFA Yagi is a major step forward in the development of the Yagi Antenna, it provides a low-noise front-end for your radio so you hear more weak signals. In my early stages of DXing, this was my first DX-antenna which resulted in 60 DXCCwith 4 watt 40 channels in FM ! Compared to a dipole the mentioned gain of 6 dB will provide an equivalent from 400 watt on a dipole to 100 watt on the 3 elements yagi. Callsign: Loc: QSOs: QSO Points: P/Qso: Bonus Points: Total Points: Best DX: Dist: Power: Ant: Comments: Email: AO: G4CLA: IO92: 242: 47,039: 194: 22000: 69,039: OZ3Z. and ready for tune the match. A lot has changed during that year, many small stations go 70 cm EME since, try yourself. 4el 27MHz LFA Yagi by InnovAntennas A 4 element 27MHz LFA by InnovAntennas. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use. ANTENA LFA 26EL 144MHz Transverter 50 70 144 220 222 432 mhz 6m 4m 2m 70cm vhf uhf ham radio hamradio 70mhz 144mhz 432mhz 1:46. 2 dBd forward gain with all backlobes more than 20 dB down across the FM broadcast band. A Low-Noise 'Urban' 7 element LFA Yagi for 144MHz. 525mm) diameter tube for the LFA-Qand the boom sections are 3/4” 19mm diameter. The LFA-Q Packs a bigger punch than a traditional Yagi with MUCH MORE GAIN per metre of boom. This is a re-designed insulator for the 9 element 144MHz LFA PBP Yagi. It has gone through a few revisions over the years (this is version 4) and is now a 6 element Yagi Uda (poor Uda never seems to get a mention), based on a DK7ZB design, with a little tweaking in EZNEC. Description If it is GAIN you want from a small boom, this is the antenna for you! Wow, Super compact boom!! Massive 13. Here is a photo and comments from a builder of one of my HF Yagis. A never ending quest for the optimum 6m antenna led me to try a Loop Fed Array Yagi. The characteristics of a 10 metres long yagi antenna can be achieved with a 6. 600MHz the single main lobe has remained and only the rearward lobes change shape but at the same time, retain F/B and F/R. You have a small house yard and there is no room for a bigger antenna? Probably, the tw i nboom antenna is the answer. 8el 144MHz LN LFA This one is really nice and compact, has good badnwdith (1MHz 1. Dimana keuntungan profit atau komersial ada, mengungkapkan izin G0KSC harus. Page 2 of 3 < Prev 1 2 3 Next >. 1MHz In order to demonstrate pattern stability through a wide portion of the band, above is the AZ plot at 144. Excellent choice 144 MHz to 145 MHz portable VHF contest or EME expedition antenna. 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. He has made many claims for his LFA Loop, and for a while many hams were taken by its appeal!. Other sizes available upon request. ZS2EZ 50ft tower: Hy-Gain TH-7DX at 50ft, Cushcraft A3WS with 30m addon at 58ft, Diamond X50 VHF/UHF Collinear at 61ft, 144MHz 10 El +2 LFA at 54ft, 80m dipole at 47ft, 40m Dipole at 47ft, EZ-Wire at 44ft, 60m Dipole at 43ft. I became active on 2007-08-29 when I finished my transverter and made my first rx attempts. Arduino web server Ajax; Noise-scource kit; 144mhz SSPA 2xBLF188xr water cooled; SSPA Display; Rotorkontrol Arduino ; 144 Mhz Low-pass filter. A lot has changed during that year, many small stations go 70 cm EME since, try yourself. The Yagi was designed using Martin Meserve’s VHF/UHF Yagi Antenna Design tools, as with the 144MHz Yagi. The LFA is especially effective for EME where very low noise antennas are required and many hours development have been spent ensuring the highest levels of performance have been achieved in an antenna that is not affected by wet weather conditions. His signal peaked at -16dB while mine peaked at -26dB which is well within the capability of WSJT to decode. Our 2m, 2x16ele LFA crossed yagi attached to a 13m dish at the EME 2014 conference in Pleumeur-Bodou (France). This is a 19 element 144MHz LFA Yagi produced using 3/8 inch elements with a 1/2 inch loop section. I reaffirmed 600 watts is just not enough smoke on TX, going to 900 watts, the maximum my generator can sustain, would add a critical 1. About 12el 144MHz Plus2 LFA The resource is currently listed in dxzone. 2017 Results Full results of the 34th annual contest, held on 11th June 2017. My antenna array is 4x6H which is 4 stacked 6-element yagi-antennas PA144-6-2 with horizontal polarization. 144MHz UKAC - 4th September 2012. I have done 4 sets last night. The point is to build two vertically stacked yagi antennas, which stacking distance is small. G0KSC - Free Antenna Designs for Ham Radio. Con grande piacere condivido con voi la costruzione della mia prima antenna seria, una Yagi LFA 7 elementi per la banda dei 2m. Stacked in 4, you would not be unhappy with this very low-noise LFA for EME working. Description If it is GAIN you want from a small boom, this is the antenna for you! Wow, Super compact boom!! Massive 13. In my early stages of DXing, this was my first DX-antenna which resulted in 60 DXCCwith 4 watt 40 channels in FM ! Compared to a dipole the mentioned gain of 6 dB will provide an equivalent from 400 watt on a dipole to 100 watt on the 3 elements yagi. It uses same Driver Cell elements and dipole. 2m, yagi, 10 ele, 13. 144Mhz LFA Yagi I have just finished construction of the new 9 element lfa yagi designed by Justin ( G0KSC ) he very kindly provided details for 9. I also optimized a European version with metric dimensions for 87. Our 2m, 2x16ele LFA crossed yagi attached to a 13m dish at the EME 2014 conference in Pleumeur-Bodou (France). thanks to G0KSC. 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. The beam was designed for a resonant frequency of 432. The main category is Antennas for 2 meters band that is about Antenna projects for 144 MHz. Get the InnovAntennas LFA-Q-5EL 5-element 144 MHz LFA Yagi from Nevada Radio, with cheap flat-rate delivery and rapid despatch. Check this article for info about modding a 50 MHz 5 element by I0JXX to a 70 MHz 5 element Yagi Mod for 5JXX6 to 70 MHz. The outer sides of the dipole run parallel to the boom and are designed to be exactly inversely phased (±180°). InnovAntennas 6-element 6m LFA Yagi product reviews by real people like you. The most common used yagi. Claimed scores for 144MHz UKAC 1 Oct (200 scores) Section. 35 G3WZD/A IO70SS 10 2,750 275 15 41,250 171 GM4JJJ 593 400 Trowbridge & DARC 10 ele LFA yagi @ 13m, 80m ASL IC706G MkII 36 M0RJL IO90AR 14 1,533 110 12 18,396 146 M1MHZ 272 50 Flight Refuelling ARS 2x6 ele yagi @ 4m, 100m ASL yaesu ft 897d 37 G4JGH IO92BK 11 1,417 129 12 17,004 122 GD8EXI 265 50. The new homebrew LFA Yagi worked great, and the W7GJ erection tips made getting the Yagi up in the air a snap. M2 2m9ssb product reviews by real people like you. A Very Low Noise Yagi for serious DX and EME applications. After the QSOs it was a gift and the first prize of a lotery among all attendants of the conference. DX station (KB8RQ): array of 8×4=24 long Yagi antennas, 1. The main category is Antennas for 2 meters band that is about Antenna projects for 144 MHz. YBN 2-8m version is the prolonged 5 ele. 6dBi from this antenna! Rear mounted 5 element version pictured Another impressive design from G0KSC, 'The Quad has. 13 Element yagi @ 12m, 2m ASL IC9100 28 M0SAT IO91TP 77 10,710 39 417,690 840 EI3KD 540 100 Drowned Rats RG 9 ele LFA @ 12m, 69m ASL IC9100 29 M0COP/P IO82NN 98 12,490 33 412,170 834 GM0BKC/P 445 30 Travelling Wave CG 8 el @ 5m, 488m ASL FT-857. Cheap Yagi Antennas for VHF/UHF by Kent Britain, WA5VJB edited by John Maca, AB5SS [Editors notes: The antennas described in this article were built as the result of several discussions between Kent and a Cuban radio operator. thanks to G0KSC. The antenna can be broken down for easy storage and transportation and can be assembled using a single screw driver. VE7BQH G/T chart. The LFA Yagi has been specifically designed to ensure the lowest levels of unwanted noise are received. It is well constructed and gives great performance on 26. 7 elements LFA Yagi for 144MHz. Remove sequencer ( It gets warm ) from line and change output valve from Gs31b to GS35b for better thermal stability. Dimana keuntungan profit atau komersial ada, mengungkapkan izin G0KSC harus. Boom length is just under 14ft and full specs are available on the Internet. 144MHz UKAC - 4th September 2012. YU7EF 144 MHz LOW TEMPERATURE ANTENNAS. Here seven bullet-proof yagi, from 3 to 8 elements, from 2. 4el 27MHz LFA Yagi by InnovAntennas A 4 element 27MHz LFA by InnovAntennas. A Very Low Noise Yagi for serious DX and EME applications. Remove sequencer ( It gets warm ) from line and change output valve from Gs31b to GS35b for better thermal stability. and ready for tune the match. BUILD YOUR YAGI ANTENNA. 35 G3WZD/A IO70SS 10 2,750 275 15 41,250 171 GM4JJJ 593 400 Trowbridge & DARC 10 ele LFA yagi @ 13m, 80m ASL IC706G MkII 36 M0RJL IO90AR 14 1,533 110 12 18,396 146 M1MHZ 272 50 Flight Refuelling ARS 2x6 ele yagi @ 4m, 100m ASL yaesu ft 897d 37 G4JGH IO92BK 11 1,417 129 12 17,004 122 GD8EXI 265 50. 3 ELEMENTS YAGI. This link is listed in our web site directory since Thursday Jan 21 2010, and till today "12el 144MHz Plus2 LFA" has been followed for a total of 2466 times. Description If it is GAIN you want from a small boom, this is the antenna for you! Wow, Super compact boom!! Massive 13. One of the reasons for this is that it simply is not that difficult, once you know how. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use. MY TWIN BOOM YAGI ANTENNAS FOR 144 MHZ. One of the reasons for this is that it simply is not that difficult, once you know how. Effective for Tropo, FM repeater or even EME work with at least two antennas. InnovAntennas LFA-12-144 12 element 144MHz LFA Yagi. 7 elements LFA Yagi for 144MHz I have done 4 sets last night. The LFA Yagi has been specifically designed to ensure the lowest levels of unwanted noise are received. Even single yagi stations with good horizons are. 2m Boom - Super Quiet Antenna for City Locations at the best online prices at eBay!. The amazing Azimuth Plot of this fantastic wide-band 15el 144MHz LFA Yagi at 144. Now looking for a QRO Coaxial relay and to shorten phasing lines + change to Ecoflex 15 to save. InnovAntennas Vertigo-43V 5-band vertical antenna. BUILD YOUR YAGI ANTENNA. The Yagi was designed using Martin Meserve’s VHF/UHF Yagi Antenna Design tools, as with the 144MHz Yagi. 5el 144MHz LFA Yagi. Only at eHam. The LFA ("Loop Fed Array") has a rectangular dipole with 1λ length. The compliment of a tight. I’ve installed a simple 50Mhz dipole at my second QRL, I’m trying to work many countries as possible in QRP. and the PA0MS legendary 2 beam i have broken one and missing 1 element By adjusting the 2M element positions archived good match 1 : 1. Date UTC Call Locator QRB Mode Best signal. 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. About 12el 144MHz Plus2 LFA The resource is currently listed in dxzone. The LFA Yagi has been specifically designed to ensure the lowest levels of unwanted noise are received. BUILD YOUR YAGI ANTENNA. 144Mhz Station; Constructions. The G0KSC LFA (Loop Fed Array) Yagi has quickly become 'the one to have' if you are looking for serious weak signal work on the bottom of the 2m band. The stacking distance is 2. Bullet-proof, why? Anything is scaled to 11m from the 10-Meter ARRL project. Condition used. WELCOME TO YU7EF ANTENNA GAL L ERY. The LFA design has a patent pending and all G0KSC designs are copyright. 35 G3WZD/A IO70SS 10 2,750 275 15 41,250 171 GM4JJJ 593 400 Trowbridge & DARC 10 ele LFA yagi @ 13m, 80m ASL IC706G MkII 36 M0RJL IO90AR 14 1,533 110 12 18,396 146 M1MHZ 272 50 Flight Refuelling ARS 2x6 ele yagi @ 4m, 100m ASL yaesu ft 897d 37 G4JGH IO92BK 11 1,417 129 12 17,004 122 GD8EXI 265 50. The 8 elem. InnovAntennas Vertigo-43V 5-band vertical antenna. Arduino web server Ajax; Noise-scource kit; 144mhz SSPA 2xBLF188xr water cooled; SSPA Display; Rotorkontrol Arduino ; 144 Mhz Low-pass filter. The Yagi was designed using Martin Meserve’s VHF/UHF Yagi Antenna Design tools, as with the 144MHz Yagi. After the QSOs it was a gift and the first prize of a lotery among all attendants of the conference. Hits: 73 Now that the VE7BQH list has had some added parameters to better show noise performance in urban and city environments, the LFAs now stand out against anything else almost without exception. InnovAntennas 5 EL LFA 6 Meter Yagi product reviews by real people like you. A good Yagi design is as easy to build as a poor one SO, ALWAYS BUILD A GOOD DESIGN ! For 144MHz long yagis, the standard reference for comparing many different designs is by VE7BQH: A G/T Study of Two Meter Yagi Systems.
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