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Worked few FT4 stations on 20M when bored on downloading huge OS upgrade<. Propagation Paradise on HF 20m & 40m Since my return from EA6 the propagation seems to have improved substantially with terrific openings on 20m, and 40m late at night here at Baildon Moor U. 100 – Directive Delta-Birdcage Antenna for 20m to 10m 101 – Dual Polarization Antenna for 80m and 40m 102 – Directive 300-ohm-Ribbon Folded Dipole for 15m A 2 element Yagi Antenna for the 20m band from our Tornado ‘Heavy Duty’ range. -you might be able to get a multiwire 40m/20m inv. 1 at 50 ohms on all 3 bands and just where I wanted it. This is a fairly big 2m Yagi with 13 elements on a six metre boom. The antenna elements for the lowest frequency band are located at the exterior of the antenna. Usually the tower is crancked up so that the OB2-40 is at 1/2 wavelength (20m above ground). This antenna works from 6 - 40m and weighs less than 1 lb. 40M Horizontal Dipole @ 33 – 73 Ft. -40m is not a DX band unless you have lots of space to set up decent antennas. Now look at Figs. YAGI 40m . Aug 02, 2008 · 2E0HTS Homebrew 4 Element Yagi Project The past few weeks I have been exploring the world of VHF by listening and playing around on 2M SSB as well as VO-52. 0. It is fed with 30 metres of Westflex 103, and there is a 1 to 1 ballun at the feed point to the aerial. 95: lp-1009a: hf log periodic, 10/12/15/17/20m, 3 boxes: $2,199. 9 m: Turning Radius: 18. Read MORE . 40m. . At 10 meters, however, ele-ments are much lighter. 20M – 4×4 stack to JA @ 102/70′. 40 m general setting: 7,00 - 7,07 - 7,18, 1,8 - 1,1 - 1,9. That is a pattern which has low side lobes in relation to the main lobe. It has 43' inductor loaded elements mounted on a 22' boom. 98m) straight element with a 39 foot (11. 2a and 2b. It is a great performer and covers the 3 bands I operate 75% of my operating time. This Yagi should be used with a 1:1 balun for best performance and to help eliminate TVI. No 80m or 160m. With the addition of a optional 40M/30M rotatable Dipole you can also have 30 and 40M coverage, 40M through 6M all on one very small antenna. Trap vertical with radials, UHF, 6. 86 - Fan-Dipole Antenna for 80m to 6m. 97 m . 40 meter 3 element beam Yagi (7 MHz) DXBeam (Ref. 2. 84 - Mini-Horse Yagi Antenna. So I can compared the performance between 3 element and 2 element yagi. Nov 09, 2019 · I'm thinking of recycling a 2. I have a neighboring town Ham who has one of these for sale – and so its hard to pass up. 20M. beam Yagi (7 MHz) DXBeam (DXM40-3) 20m Yagi. Products 1 - 12 of 12 3 Element Yagi for 11m at 95 feet heigh The 3 element mono-band 3 Element Yagi for 20m at 95 feet height. Had lot of experience with them in terms of performance, mechanical stability, and modelling. Had to make a quick run home to get the Spiderpole then set it up with the feedpoint at 30 feet. It has now been converted to cover 20m as well as 40m (with 15m on third harmonic of 40m). Cut a 7' 6" length of #22 plastic covered hook-up wire for each of the four coils. The Spartan (Tribander) has been designed for the bottom of the sun-spot cycle and also to act as a simple 2-element monobander yagi on 17M, 20M & 40M. Yagi for 40m. Expert 1. 89 - Indoor Loop Antenna for 80m. 91 - Inductance-Loaded Shortened Dipole for 160m This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen. 20M Verticals 17-18 ft Dick Weber, K5IU June 7, 2013 Dec 20, 2007 · 20M - 6M: NA4RR HexBeam / 6el Optibeam: 35 foot Universal Tower: 10m 12M 15M 17M 20M: 4 el Steppir Yagi / 3 el QUAD: 85 foot MA-850 U. Results 1 - 15 of 15 Ultrabeam 2-Element Yagi 6 – 20m 1. 20 metres came in at 1:1 and 50 ohms at 14,152 Mhz The results were excellent with SWRs of 1. 60m; Weight: 38 kgUK Carriage is Dipole on 30m/40m. Here is a small collection of EZNEC files of antennas I have interest in. I do have a convienent tree limb near my shack, and decided to build an antenna to fit. 10m/15m/ 20m home mode 7 element tribander HF Super-compact yagi antenna. 95: lp-1009an HF Yagi, HEXX Beam and Rotatable Antennas Choose from top-brand HF Yagi, HEXX beam, and other rotatable antennas to meet your high-frequency needs. Modified: 04/19/2019. In my last Blog I wrote about my Antenna 3 el. K. 62m boom length 11m max. Greg brought a yagi for 144, which made for some interesting contacts, and we also used a TYT TH-9000D and J Pole for 220 MHz. My Favorite 40m "DX" Antenna NOTE: This is not a plug-n-play antenna. A Heavy Duty, Self supporting vertical HF antenna for HF 66' long. This design was accomplished by interlacing a 2-el-20 & 2-el-17 on to the same boom as the JK402. 15M – 5×5 stack to JA @ 102/70′. Ultrabeam UB-50 3-Element Yagi 6 – 40m 5. This model takes our standard 20m-6m Yagi and replaces the 36 foot (10. 5: Maximum Power Input: More than 3 kW (up to 10 kW versions) Matching Method: Direct feed through current balun. 20m 4 el. Mid High: fixed-on-EU 15m JK155 5-element/36 foot yagi at 92'. This note looks at the antenna and antenna model for the 40 meter Moxon Yagi designed by Dave Leeson, W6NL. 75 in / 4. * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. 4m for each leg. 160m: Full Size Half Ramda Dipole, Small Loop 80/ 75m: Rotary Dipole 40m: Full Size 4 elements Yagi 20m: Full Size 6 elements Yagi 16 Apr 2014 A3WS WARC World Ranger. They are not for the faint of heart. The SteppIR 3-element yagi with 40M/30M dipole is a great antenna, but it doesn't deliver gain on 40M. 5MHz - 54 MHz continu-ously. 8° Nominal Input Impedance: 50 Ohm: Maximum SWR at any freq. Price € 10m15m20m Tribander Yagi, 3 band Yagi, full size yagi, HF yagi. Dec 07, 2017 · Shortened vertical for 40m (2/4 height) Short helically wound vertical for 20m; Short helically wound vertical for 160m; Short (2m) indoor multiband vertical antenna Half-square (phased verticals) One from Hy Power Antenna Company, premaid "Using the Half-Square Antenna For Low-Band DXing" ARRL pub. (Functions as a dipole on 30m through 40m with this option) Antenna control cable 30m/40m sweep design with NEW optional truss system Microprocessor based antenna controller ONE OF SEVEN STEPPIR YAGI ANTENNA CONFIGURATIONS All of our antennas are remotely adjustable with models available covering 3. Ultrabeam products from Ham Radio. F/B (dB), 14 / 25. 20M-10M – 4 EL SteppIR Yagi @ 150′ 40M – 2×2 yagi stacks @ 160’/105′ 80M – 2EL Full sized Delta beam @ 130′ switchable NE/SW 160M – 4 Square with elevated radials 6M – 4 element long boom Quad @ 160′ WW4LL – Atlanta, GA Winning contest station. 3el Monoband-Yagi 40m Bands 40m: Gain (dBd)* 4,52: Gain (dBi)** 11,06: F/B (dB) 18: SWR: 7,000 - 7,065 - 7,200 1,7 - 1,1 - 1,7 (other frequency ranges adjustable) Elements (number) 3: Max. This 3 element 10 meter Yagi antenna that I made was belongs to 9W2ODY. HGN-LJ-204BA. My Basket: Menu Yagi Reports Since the first release of Version 1 in April 2003, over 1500 spiderbeam kits have been shipped worldwide. Hexbeams can also be built for the 40m and 30m bands. 5 and 6 for similar designs. So I planned to built 2 elements 15m and 20m yagi. 40m Delta Loop Anten. This antenna has all the gain available on a 6 element 20m Yagi and a 3 element 40 Yagi. For 40m I could use the loaded vertical as a compromise antenna, or extend it by using the radiator from the 20m ground plane. 300 with my vertical and home brew Loop with DX opportunities such as GM4PPT (Richard) located in Scotland near to Ayr and one or two other interesting QSOs. It would have pretty low take off angles for DX use. 85 - Backpack J-Pole Antenna for 10m, 6m, 2m. Using a large diameter high-Q loading coil on each of the element legs, we have produced an antenna that is only 13 meters long (only just longer than a 20m dipole) – just 6. • Kit DXM40-4 for DXM40-3 available, for transforming this antenna to a 4 element 40m Yagi (DXM40-4) → New in 2017 Boom guy set 1 - "Over the boom" guy set with vertical support included : Due to the weight and size of the 3 element 40m beam, an "over the boom" guy set providing vertical support is now included . My Homebrew 3 Elements 20m Monoband Yagi After used GRRV for all bands especially on 20m, I decided to build my own 20m yagi because I always monitor Indonesian stations got pile up on 20m while using beam antena. Wire:3mm steel pvc coated. The els are shortened about 2. 6 kg: 37 lb / 16. DXM20-3). 25 Jul 2010 The current big project at the station is to get the 3el fullsize 40m yagi up at and a lot of isolators for the two 15m yagis and the last 20m yagi. This antenna was designed for W1JQ to use at his contest station and has shown good results. 01. Length 57 in / 1. It is a rotary dipole on 40m and 30m, and a 3 element yagi on 20m to 10m. wire close-wound on a small diameter (3/4 inch) fiberglass form. Nov 01, 2019 · K7zgq antennas p f o skunkworks 10 meter 15 moxon 20m mini yagi beam basics of high frequency vertical and beam antennas for ham cushcraft a50 3s 6 meter beam 3 Nov 01, 2019 · K7zgq antennas p f o skunkworks 10 meter 15 moxon 20m mini yagi beam basics of high frequency vertical and beam antennas for ham cushcraft a50 3s 6 meter beam 3 For expert product advice call (023) 92 313090. com FREE DELIVERY possible on eligible purchases This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen. Shortened element with high-Q loading coils PTFE insulated and weatherproof. The 40m and … Continue reading 3 Element Yagi (SuperLite) - 11m. A Moxon Rectangle • Looks like a loaded Yagi (Create AF40, F12) • But it’s not, it’s also a Moxon Rectangle – Higher F/B – Wider bandwidth Dec 12, 2016 · Over the last few weeks I’ve spent quite a lot of time reading about different options for 40M HF aerials antenna. A 3 Element Compact Yagi Antenna for the 11m (27MHz) band. 2el. DAM Effzettt Yagi Cast 1,90m 1,98m 2,10m 2,20m 2,20m 2,20m 5-20g 7-28g 12-42g 15-53g 42-120g 605578 Savage Gear Custom PROTator Trigger 258cm 170g Spinnrute für Multirollen , Hello UK HF Contesters Thanks to everyone who worked VK9CZ last weekend (or during our DXpedition which finishes this evening) It's always great fun being a rare multiplier in any contest, although be I was only able to work 15m, 20m and 40m with this ground mounted vertical. Jul 20, 2019 · 40M Two Element “Shorty 40” Yagi Comparison The Cushcraft XM-240 gets great reviews even though some have derided the coils I have a neighboring town Ham who has one of these for sale – and so its hard to pass up. The Grid Yagi. 137 MHz 60m AM transmission test; DX Commander pre-production testing all-band vertical; Compact half-square for 40m band; Bidirectional switchable 40m wire yagi; How to use dual coax feeders as ladder line; Working 15m band on a 40m vertical antenna YAGIS EXPLAINED G0KSC designed 3el, 40M & 6el 20M (Force 12) This antenna uses the G0KSC OP-DES design on both 40m and 20m to provide full-band coverage on each. If you want it to work properly, you will need a means of measuring SWR, some trial and error, a little patience and at least half-a-brain to build this. 15 ft / 5. I have had some success on 144. S. 4m) boom: $849. 5-element Yagi (20m) 5-element Yagi (40m) 40-meter Yagi 5-element at 132 ft (40m) The 5 element mono-band Yagi antenna series have been designed keeping in mind Mar 13, 2019 · Yet another 40m Cloud Burner design featuring a folded dipole driven element plus one reflector wire to facilitate 40m NVIS contacts without need of a tall mast. 0 sq ft / 0. Not easy to put high up my tower, because it's heavy. Projekt "Anténny systém 20m" bol zrealizovaný vďaka Participatívnemu komunitnému rozpočtu TSK. It has a gain of 12. This station will cover 10m, 15m, 20m and 40m, 80M, 160. 95. | 40M | 20M | 15M | 10M |. The 432 Mhz yagi is a Hy-Gain - 31 elements on a 24' boom. 40m 2 el. Tower: Lo Band Rx antenna: K9AY loop (Array Solutions) 24 foot ground mounted mast Two element 40 meter parasitic delta loop array rhombic antennas v beam and inverted n5au station tour 40 meters 3 element wire yagi resource detail the dxzone martin hedman s … Skip to content January 3, 2020 explorer 14,triband beam,10/15/20m,30/40m optional: $699. Manufactured from lightweight but extremely strong construction grade 6082-T6 Aluminium stock with a heavy duty boom. Roughly estimated, the same number of homemade spiderbeam copies have been built individually, making a total of at least 3000 antennas on the air. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. The upper yagi ought to be at least 50 meters high and preferably 60 meters. Full size 2 element beam antenna. >S50U. ongest Element 36 ft / 10. 5MHz, low SWR on both bands,. This is where we would like the final 5 elements to resonate. 1m radiator and 4×5. All of the proceeds made from this station go directly to the Haiti Air Ambulance organization. Gain (dBi) **, 10,0 / 12,8. Tower: 80M: Vertical: 40 foot MA-40 U. 40 m fed with separate cable. 66 dBi) and no difference in wave angle (22 degrees for both). >For me this antenna is what I was looking for all along. Probably the easiest rotatable beam is a 2 Element Yagi, both in the mechanical and the electrical sense. EAntenna 40MDY2 antenna 2 el. X7 BIG THUNDER TRIBANDER YAGI. 74dBd and a clean pattern. All blanks have been reworked to improve the already fast action and the sensitivity of these rods. Flex Radio – OM2000A+ legal limit fully automatic amplifier 80M – Full sized 4-Square The new 432 Mhz and 144 Mhz yagis on the VHF tower. Enter the desired frequency then click on Calculate and the optimum values for that combination will be displayed in feet, inches and fractions of inches, and in meters. The Super Antennas YP3 includes and covers the 20m, 17m, 12m, 10m, or 6m bands; it has a Field-Configurable Band System. 2E Yagi w 40/30, 40m-6m Yagi, 2 elements, 20m Passive · 40m Driven, -, -, -. 12 ] 3 Element Yagi for 40 Meters - An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band [ Hits: 727 | Votes: 0 | Rating: 0 ] 5 element wire Yagi antenna for 20 m - A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH, the antenna is fed with a 600 ohm open wire feed line. I used a reference dipole at 45' high to compare against the 2x2x2 stack into Europe. For 20m I had the ground plane. Among the equipment used were my Yaesu Ft-857d and BuddiPole rotatable dipole, which I used on 14 and 21 MHz, CJ’s Icom IC706, which was paired with a 40m dipole strung in the trees, and various VHF radios. 260 mhz. 7% as per my experiments. These dimensions are for semi-inverted vee elements. 4. If we were working with a 40 meter Yagi, the third ele-ment would add a considerable load on the mast and rotator. 15M – 5×5 stack . It works great and is very easy to build from coax and PVC pipe and a few plastic wire ties. Double Bazooka Antenna. Searching for a half-size half-size 2-element Yagi, I found the design by Gary Hanson (KJ5VW), ref. Jun 23, 2011 · Dimensions for a Fixed 3el and a 7el 40M WIRE Yagi. アンテナ全景/ Entire view. only 39' wide (12m) and very rugged. A Pact 10m Beam. and resettlement of four 80m phased vertical dipoles on second tower, I put in place to change my antenna PKW 3 elements Yagi for 40m. Long:20m (65ft) Connector:SO239/PL. Brent was interested in dimensions for a 40M Yagi, so I figured I might as well post mine in the antenna section for future use. this is a loaded antenna, which also worked well, but only in Quarter wave ground plane for 20m – 5. 4 Element Yagi Building. 1. 5. Greg Ordy, W8WWV April 13, 2012 V1. 8 kg: Mast Clamps(included) 2 in / 5. 160 Meter linear loaded Tee vertical doublet antenna. 40m Antenna 2 Full Size Elements PA7-2-6-details. For more power you can order extra HP balun Since my return from EA6 the propagation seems to have improved substantially with terrific openings on 20m, and 40m late at night here at Baildon Moor U. 5 Classic Crappie fishing pole. 6 CP6AR, 75m/ 40m/20m/15m/10m/6m. 9m) boom can adjust to 17m: $379. Connector: SO239, "N" or 7/16 DIN : Mechanical Specifications : Boom length: 18 m: Boom: 40m rotating dipole. 95: lj-204ba: beam, monobander, 17 or 20 m, 4 elements, 2 boxes: $599. 26 Ocak 2016. I try to simulate every antenna I get in "my fingers". THE HALF-SIZE 20M YAGI. DIR-73K EXP-14, EXPLORER 14,TRIBAND BEAM,10/15/20M,30/40M OPTIONAL, $699. 40m rotating dipole. КСВ в полосах частот, 20m: <1,2 | 15m: <1,2, 20m: <1,2 | 15m: <1,2, 40m: <1,5* AD-223 - 7-элементная трёхдиапазонная Yagi антенна на 20, 15 и 10 м. Buy MFJ Enterprises Original MFJ-1620T 20 Meter HF Hamstick w/ Whip Mobile Antenna - 3/8-24: Electronics - Amazon. Price €640. 44 m: Boom: 1. 2E Yagi Specs2E 20m-6m. Wow! This is something completely new in contesting! I see a lot of potential for the World Wide Digi DX Contest to lead IMPORTANT: This is archival data and is not, as a rule, updated. Includes wet-stamped Structural Analysis and Plans by an engineer licensed in the state of installation. In this solar cycle don't bet on much DX. 3 Element Yagi (40m). 5m boom. band, (elements by PKW), the two booms ( Mart 6 Bands Quad and PKW 40m. And I was running 100w to get my little 204 total! YAGI on 15/20 LOOP DAM Effzettt Yagi Cast 1,90m 1,98m 2,10m 2,20m 2,20m 2,20m 5-20g 7-28g 12-42g 15-53g 42-120g 605578 Savage Gear Custom PROTator Trigger 258cm 170g Spinnrute für Multirollen , The Super Antenna YP3 SuperBeam is a portable yagi beam antenna. The Super Antenna YP3 SuperBeam is a 3 Element Beam with Directional Gain. 3 Elements 40m full size U Antenna. Use our simple calculator to determine approximate dimensions of materials needed to build a 3-element Yagi/Uda antenna, and then shop for your needs on our other pages and select from our inventory of aluminum, fiberglass, coax, connectors, and other parts and accessories for amateur radio and other radio applications. The Cushcraft XM-240 gets great reviews even though some have derided the coils. 40-20M-3-5, Dual Band 40/20 Meter (FG4020M35. 40 m elements are shortened with high Q coils. HH2AA is a fully remote operable station located at 6300’ ASL in Obleon Haiti. 15 dB isotropic + about 5 dB ground reflection) Dualband 50-70MHz Yagi antenna 15el. The 10 and 15m driven elements are driven via the 20m dipole. Finally got the third 40M Yagi up and connected up the phasing lines. Selfsupported tower 42 m high Some current loaded 40M 2 El. The older the record, the more likely it is that QSL routes, contact information, and links to Web pages will no longer be accurate. Unfortunately a height of 40 meters is not high enough to achieve good stacking gain with a large yagi for this band. After a couple of hours of this I decided to try the Inverted-V on 20m. 20 M Yagi. One good suggestion is the "Ugly Balun Project" as seen on this site. Below is a "sketch" of a 2 Element Yagi. Buddipole vs Wire Dipole on 20m. This year we had made some significant improvements to the station, with mono-band antennas for each of the HF bands. These were a 3 ele mono-band Spiderbeam for 20m at 55 feet, a 3 element mono-band Spiderbeam for 15m at 40 feet and a 4 element yagi for 10m at 60 feet. The rest is a lot of reading, reading, learning, learning and at last a lot of work 🙂 17m – GXP 3 element yagi at 72′ 20m – GXP 3 element yagi at 72′ 30m – GXP 2 element yagi at 72′ 40m – GXP 2 element yagi at 72′ 80m – Full size 4 Square 160m – 4 Square Array, coil loaded elements This Yagi should be used with a 1:1 balun for best performance and to help eliminate TVI. The JK2040 Eagle is our flagship antenna. This makes these antennas work as 1-, 2- or 3-element fullsize beams on 30/40m, as well as 2-, 3- or 4-element fullsize on 6 to 20m. Tower: 30M 40M: 2 el Optibeam Yagi: 85 foot MA-850 U. beam Yagi (14 MHz) DXBeam - long boom (DXM20-4lb) 40m Yagi. beam Yagi (7 MHz) DXBeam (DXM40-2) 40 meter 2 element beam Yagi (7 MHz). click on log to enlarge I have had some amazing DX contacts each evening as I have operated into the early hours of the morning with contacts into Martinique and Netherlands Antilles on 40M using the G5RV. The picture below shows a detail view of the point where the inner and outer sections of the element are joined together: 40m 2 el. Weight 30 lb / 13. (with 2m separation, the SWR stays OK, but of course the other antenna parameters are much more affected. A full-size ( = ½λ) dipole antenna for the 20 mtr band spans about 10 meters (33 ft). Hanson, KJ5VW Austin, Texas Imitation, it is said, is the sincerest form of flattery so let me begin by pointing to the direct source of my inspiration for building this antenna. The antenna has a The JK2040 Falcon has great performance characteristics on 20m and 40m. Add to cart. , but the reality is, I’ll never be able to afford that antenna, or the QTH where I could install […] 40m rotating dipole. I do a lot of antenna simulation. >S56A. 97 m: 39 ft / 11. 40m: 4,3 20m: 6,6: Front to Back, dB (region of 4-band Yagi with 7. Modeling the 40m W6NL Moxon 1 April 13, 2012. Boom made from 55 and 50mm tube. 00. Jul 31, 2018 · The 40m band is a great place for DXing! I don’t have the tall supports needed for a dipole or beam, so a vertical antenna works best for me. 6 kg37 lb (with 2m separation, the SWR stays OK, but of course the other antenna parameters are much more affected. The DAM Yagi is the next generation of our extremely popular EFFZETT Yagi rods. 2 element, 20m-6m Yagi, 2 elements, 20m Passive · 20m Driven, -, -, -. Excellent mechanical properties. Time owned: more than 12 months I have this beam for about 1,5 years and it is mounted about 4m above an OB11-3. There are few used yagis in this class since they frequently fall victim to wind and weather before they can be sold. 40m 10,50m LONG. 25 dBi vs. 6m Just like the Yagi antennas, the vertical by Ultrabeam work with a radiator of variable 2 element fullsize on 6-20m, Rotary Dipole on 30 and 40m; Boom length: Full size Yagi antennas. Dec 16, 2012 · The third antenna is a 3 element Steppir at 11 metres. DXM40-3). Popular combinations cover 20m, 15m and 10m (3 band) and 20m, 17m, 15m, 12m and 10m (5-band) ham radio bands. There is nothing better! Aesthetic rotating monopole customized to your needs…110 to 200ft+ high. Forget it in your urban-rooftop situation. 53 m. The loading coils are 68 turns of 12 ga. Low Band DX Antennas •On 80 and 160M, it gets much tougher, but the Inverted L is a very good antenna and can even be used on 160 –30M with a tuner •Its easy to use a 43’ vertical and use a couple wires to make it resonate on 80M •160M is the biggest challenge –on a small lot, its hardly ever “easy” Dec 12, 2016 · Over the last few weeks I’ve spent quite a lot of time reading about different options for 40M HF aerials antenna. Elementlength (m) 14,86: Boomlength (m) 9,00: Turning Radius (m) 8,67: Feedlines (number) 1 Coax 50 Ohm: Weight (kg) 70: Windload at 130 km/h Sep 30, 2015 · 2E Yagi Specs: 2E 20m-6m: 2E with 30/40m loop element: Boom Length: 57 in / 1. The 144 Mhz yagi is a Cushcraft 17B2 - 17 elements on a 30' boom. 9 Yagi Beams & Dipoles Tower 1: 40M – 4 EL yagi @ 109′. 6 x 7el WOS 50MHz LFA Yagi Jan 30, 2016 · 50 MHz 4 and 7 elements Yagi Drawings. The product development team has employed the latest computer modeling technology to achieve a superior electrical design as well as elegant new mechanical hardware and assembly techniques. However, since most DX on 6m is horizontally polarized, he needed a horizontal antenna. 3K Amplifier but will be ungraded to KPA1500 soon that can produce full legal limit. 40m Beam 2 elements PA7-2-6. ADD TO CART Frequency range: 7 - 50 Mhz (50 Mhz requires an optional kit); 3 elements yagi: 6 -10-12-15-17-20m; 1 element dipole folded 30-40m; Gain (dBd): 6,1; F/B ratio OPTIBEAM OB4020x big Duoband-Yagi 40-20m (full sized elements 40m). Antenna The OptiBeam OB2-40M is a 2 element 40m (7MHz) moxon rectangle yagi. 5-element Yagi (20m) 20-meter Yagi 5-element at 80 ft (20m) The 5 element mono-band Yagi antenna series have been designed keeping in mind the requirements of an avid D Mq 1 40m 2 elements full size yagi antenna pa7 6 40m 2 elements full size yagi antenna pa7 6 martin hedman s hemsida mq 1. 20m, 40m-band:>> off-center-fed dipole DB-2345, DUAL BAND YAGI, 3/5 EL, 144/440, $119. , but the reality is, I’ll never be able to afford that antenna, or the QTH where I could install […] 4 elements 10m YAGI (2) 40m trap Dipole (1) 7 ele LFA yagi (1) 7 elements LFA yagi (1) 9M2ODY (1) D3E20 3 element yagi for 20m band; D1E1740 Dual-band Rotary Dipole. That's fine for domestic work from VE7, but for DX -- particularly working Europe -- I need at least a bit of gain to make the difficult path over the North Pole. 37 sq m Jan 22, 2017 · Specifications Frequency MHz: 21~21,45 – 18,06~18,17 – 14~14,35 – 7~7,3 Active elements: 4 (15m) / 3 (17m) / 4 (20m) / 3 (40m) Gain dBi*: 14,8 Home Real-time band conditions 40m Full Size Yagi antenna 2 elements PA7-2-6. 5-5-5 on 15m - plus 5 elements fixed on SA. 18shares. 40m 3 Element Vertical Yagi Antenna We’re putting together a Multi-Two entry for CQWW this year and it’s pretty clear from our experience with CQWPX that we not only need gain to the US on 40m but we need excellent front-to-back ratio. 40 M Yagi 5. Operating 40m/80m on 20m half wave dipole I ve been advised that a coaxial fed dipole antenna (with 1:1 balun at the antenna) should always be a full half wave on the lowest band of operation, even when using an ATU. … a lot of money. Oct 31, 2019 · Tried 40m as well and also easily made one contact into North Texas. 40m/30m Full Size Rotatable Quad by 4S7AB. I added late 1998, 2 elements Cubical Quad full size for 40m. . Gain is about 5dBd. See ref. 09 m: Weight: 30 lb / 13. Quad) are been joined toghether so to strengthen the whole system, the Mart boom lenght supporting elements originally was 33 feet, it has been lengthened to 47 feet, due to the necessity of guying 40m. Requires no guys and full band coverage without an ATU Apr 09, 2016 · This also allows for diversity by, for example, pointed the high yagi to Europe and the low one southwest through the US heartland. VSWR. 3 element Yagi for 40m - EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio [ Hits: 2569 | Votes: 8 | Rating: 4. Some current loaded 40M 2 El. Super Bertha Towers: 110 to 200ft +. The Making of 4 element Yagi for 10 meter band. SuperBertha is the Ultimate Antenna Tower of 110ft to 200ft+ high, custom designed to your exact needs. 20m Mini Yagi Beam. beams • Cushcraft (now owned by MFJ) o 41 ft wingspan o Inductive loaded with capacity hats o Around $600 o Hygain (now owned by MFJ) o 44 ft wingspan o Linear loaded o $660 o Force 12 (240N) o 58 ft wingspan o Linear loaded o $1700 ! o Mosley (multiband only) o 44 ft wingspan o Inductor loaded (with traps for Apr 22, 2016 · R7AB's 12 el 14 Mhz band yagi. 38. Jul 12, 2017 · Here’s an example of a linear loaded 40m yagi: The linear loading section shown above effectively connects the inner half of the element with the outer half via a loop-back section. The antenna includes Heavy Duty Element Brackets, Heavy Duty Polyamide Element Clamps and comes complete with M10 Stainless Steel Hardware. The Cushcraft XM-240, 2 el 40m yagi has been used at VE6WZ for 3 years. View as: List Grid. The 40-20M-3-5 is a coil loaded 40 meter 3 element Yagi interlaced with a 20M 5 element Yagi. ) But you know amateurs tend to believe the antenna is OK when SWR is OK Running this simulation again, shortening the 20m driver by approx 8cm each side, the resonance comes back into the 20m band, at 6m above the roof. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. I have had many excellent signal reports to the East Coast and Canada on 40M, and I don't feel any big loss on 20M and 17M as well. Stage 2 Wind the inductive coils 1. 53 m: 20 ft / 6. On 40m the characteristics of the 2 element Yagi are similar to the JK402 or better. 20 meter 3 element beam Yagi (14 MHz) DXBeam (Ref. The X7 Triband Yagi is geared to set new standards in both radiating performance and mechanical reliability. Get a strong, clear signal with less noise from 2 meters through 40 meters with your choice of single- and multi-band Yagi antennas with up to 16 elements. A remarkable method for increasing the VSWR bandwidth of Yagi antennas as NW3Z has recently designed a series of 10, 15 and 20m monoband yagis for The OWA has also been applied successfully to the (2) 40m antennas at K3LR. 8 dBi: Front to Back Ratio: 20 dB: 3 dB Horizontal Beamwidth: 58. But shortened to 2/3 the length, the height is now only 3 ft taller (46 ft. The 40m element constructions do not need trussing unless you live in snow/ice conditions. Jul 20, 2019 · 40M Two Element “Shorty 40” Yagi Comparison. Qrp 5 watt from ft817 via tuner z11 to antennas: 10m, 15m, 20m-band>> 2- element-3-band-mini-yagi mfb23, 11m high. CP725H, 40m/15m/10m/6m. Hy-Gain. Black (Reference) Curve is 33 40M Horizontal Dipole @ 80 – 110 Ft For a 20M Yagi (or horizontal dipole) at low angles. Heavy duty construction. K9FV 40 meters band loop. The performance of the antenna, through the model, will be explored in several typical settings. I saw some very surprising results, including some early false disappointments. Jun 23, 2011 · So, the best resoance was about in the middle of the 20m band at 14. Oct 23, 2006 · 40m 20m 15m Multiband Inverted-V (5th HF Antenna project) This antenna started life as a 40m inverted-V. 45 cm. The 20m, 3 element yagi have long boom (18feets). Wideband operation 50 - 51 MHz and 70-70. Turning Radius 18. 9 to 54 Mhz. 1m radials; Diamond RHM8B loaded vertical with telescopic whip; Operation would mainly be on 20m and 40m. 3m boom length 10. 08 cm: Wind Loading: 4. The antenna is based on the open sleeve dipole design employing a single dipole feed at the 20m driven elements. Requires no guys and full band coverage without an ATU Apr 22, 2016 · R7AB's 12 el 14 Mhz band yagi. 20M – 4× 4 stack to SW @ 102/60′. ) than a ground plane antenna with the feed point at the same height. 4 GHz Cubical Quad Antenna. Add to Wish List. Well, it would be compact if made for 20M or above, and the mechanical parts of this thing would be much simpler than the needs of a tower mounted antenna. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipments. On Air *= average gain over a dipole in free space gain of isolated monobanders for comparison: 2-element Yagi: 4 dbd, 3-element Yagi: 5-6 dbd ** = average gain at 20 meters above ground *** = the wind loading values include a correction factor, which considers that most of the tubing is round and that never all tubes will be streamed at the same time Dipole on 30m/40m. Warranty:2 Year. Added on Nov 2017 I was making quads for 20m and above using bamboo and sectioned aluminium tubing few years ago. Wind survival speed 130km/h. Forward Gain 20m AGL: 13. Mar 19, 2016 · 2-meter Single Sideband in Contest Ops (Yagi portable op, with video) Station Set-up with 3 HF Antennas (EndFedZ, 6-meter dipole, with video) Single Sideband Mode on 2-meters (with SSB tutorial video) A Temporary / Portable Vertical Antenna 6m to 20m Bands (with video) NVIS Ops and Homebrewed 40m Dipole Antenna Trimming a Dipole Antenna for Driven Three Element Yagi The performance improvement over a standard two element wideband Yagi with the same boom length comes at a price — an extra element and a phase line. (high efficient 3el full sized monoband Yagi 40m und 5el full sized OWA monoband 40m 3 el. Attach one end of the wire under the brass bolt and washer on the "left" side of the coil. 90 - Double-Delta Antenna 80m and 40m. The 6m band is his most popular one, since he get best results on this band. 40m compact fan dipole for 40, 30 and 20m bands; Introduction to the 60m Band Plan (5 MHz) 5. -if not above then just try the 20m horizontal dipole. Coaxcable RG58 Included 14m (45ft) Power:500W. You will need to take along other antennas . The 24ft boom 20m Yagi has been optimized for high gain and a good F/R with good SWR performance across the band. Few QSO made on the lower bands shown for checkup purpose only<. For the new DAM Yagi we took a close look on the key components like blanks and guides. 44 m: 57 in / 1. Notice that on 40m there is less than half a dB difference in gain (0. The basic model has a frequency coverage of 13. A closer look at the VHF antennas. 08 cm: 2 in / 5. 95: lj-203ba: 3 element 20m on 16 (4. Boom 1. 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 Low Band DX Antennas •The low bands offer DX once the higher bands go quiet •During the last minima (2007 –2010) even 20M struggled to open •40M was a real savior for DX-ers •160 and 80M had some of the best conditions as well •30M sometimes behaves like 40 and sometimes like 20M Aug 27, 2017 · Additionally, a Moxon or a 2 element Yagi is not a multiband antenna. Boom lenght 40m. Insulators:2. 40-20M-3-5, 40/20M Dual Band. Job is fully done, Antenna now is up and working of love, this was a very rewarding job, the antenna works very well, the results after a short trial period are flattering, gain 7/8 db, front to side 30/35 db, 20db front to back, its impedance is found to be 25 homs, and advice to everyone in a situation like mine to proceed with the improvement, Sitting on the Atlantic and Bay of Fundy. I have 3 element monoband yagi for 10m and 20m. 95: lj-205ca: 5 element 20m long john on an 34 (10. I made some notes that I will post here as I progressed through the initial tests yesterday and last night. 1996; Post on HS in QRZ forums Mar 22, 2018 · First thought: Yagi, at least 3el … ok, lets calculate: tower (20m), basement, antenna, rotator, etc. Price: $4,209. GB Travel Antenna 10/20/40m. ** = average gain at 20m above ground (= dBd + 2. Of course I would rather have a full size, 3 element Yagi at 110 ft. The optimized wideband antenna - NW3Z yagi antenna designs for Dayton 2001 Includes yagis for 20 15 10 meters. Easily fits inside your luggage for travel. This antenna is the perfect package to bust the sun spot cycle. Then I worked VE9ZY, Mac, and he told my about 4-square vertical array’s. Antenna Dec 24, 2015 · At the balcony he has a Diamond V2000 vertical antenna for 6/2/70, and an MFJ loop antenna for 15-40m. With its low angle take-off, vertical The Buddistick™ Portable Multi-Band Vertical Antenna, Designed as a multi-band, portable antenna for 40m - 10m, the Buddistick™ is an excellent performer with any G0KSC designed 3el, 40M & 6el 20M (Force 12) This antenna uses the G0KSC OP-DES design on both 40m and 20m to provide full-band coverage on each. One of my aerials has just come down in the wind, a 40m compact dipole arranged as an inverted V with the ends coming down as far as the 6 feet fence height. East from 40M Yagi : 10M, 15M, 40M Towers: 20M 6/6/6: 20M 6/6/6 : 20M South to 40M Tower: 40M: Elevated 80M 4 Square Aug 02, 2008 · 2E0HTS Homebrew 4 Element Yagi Project The past few weeks I have been exploring the world of VHF by listening and playing around on 2M SSB as well as VO-52. Wasn't prepared for this one, maybe next year!<. 88 - Indoor Loop Antenna for 80m to 30m. 5. 8 meter boom I used for a 20m moxon, and seeing if I can turn it into a 40m 2-el yagi with compromised reflector/director (or visa/versa) each in the neighborhood of 10 meters in length (max I can build, and fit wires on my fiberglass elements). Requires no guys and full band coverage without an ATU A full size 40m Yagi spreads well over 20 meters in wing span and for many locations this size is prohibitive. While the gain won't be "up there" with the big tri-banders & the like, a useful amount of gain can be realized without breaking the bank. Cubical Quad. 15 dB isotropic + about 5 dB ground reflection) The SteppIR 2 element 20m-6m Yagi with 40/30 loop covers 8 ham bands (40m, 30m, 20m, 17m, 15m, 12m, 10m, 6m) and every frequency in between. 45 cm: Longest Element: 36 ft / 10. Larger / More Photos. 89m) looped driven element. other specific settings possible. 83 - Tri-Band Beam for 20m, 15m, 10m. Free Online Engineering Calculator to find the Dimensions of a yagi Uda Antenna for a given Frequency Range and Length. : 1 : 1. The KJ5VW 20 Meter Mini Yagi. The KJ5VW 20 Meter Mini Yagi The KJ5VW 20 Meter Mini Yagi Gary R. UrbanBeam Antenna 3 Elementi Yagi, 20m-6m w/16′ boom & SDA 100 basic controller In quest'ottica è stato dotato della possibilità di aggiungere il kt prt i 30m e il 40m. The addition of a Reflector Element behind the Driven Element will change the electrical behavior of the best SWR. 80m/60m/40m/30m/20m/17m Band vertical HF antenna Popular combinations cover 20m, 15m and 10m (3 band) and 20m, 17m, 15m, 12m and 10m (5-band) ham radio bands. PA5070-15-9 6m 4m Very high gain on 50 MHz and 70 MHz antenna. 20m was tough. 20m band 2 el, 15m band 2 el. The design uses electric fence posts for support and needs no balun. HF Antenna, 200, UHF, 9. Modeling the W6NL 40m Moxon. The RHR team is very proud of this station and the ability to give back to a great cause. Author Photo EAntenna 20MDY3 3 el. As the upper HF bands go quiet the lower bands will be the best for DX. 45 cm: 1. Feeding the yagi through an 80 foot length of RG213 good quality cable showed the following results after the element length adjustments. vee on that roof. A 2 element Yagi Antenna for the 20m band from our Tornado ‘Heavy Duty’ range. beams • Cushcraft (now owned by MFJ) o 41 ft wingspan o Inductive loaded with capacity hats o Around $600 o Hygain (now owned by MFJ) o 44 ft wingspan o Linear loaded o $660 o Force 12 (240N) o 58 ft wingspan o Linear loaded o $1700 ! o Mosley (multiband only) o 44 ft wingspan o Inductor loaded (with traps for May 23, 2014 · A typical 3-element full-sized yagi on 40 meters weighs at least 100 kg (225 lb), 10 to 15 ft² of wind load, and costs upwards of US$2,500. - Gain: 10. The Super Antennas MP1 has High Efficiency. 2-Band WARC Yagi XM240 Big Thunder. The 15m station antennas are as follows - controlled by a stack switch, directed by the Microham SMD in the shack: Top: rotating 15m JK155 5-element/36 foot yagi at 116'. 87 - Capacity Tuned Folded Loop Antenna for 20m. >>> We now come to my projects, work is progressing, but before coming to the realization of 160 m. >S53TM. The 22ft boom 20m Yagi has been optimized for high gain and a good F/R with Gain (dBd) *, 3,4 / 5,5. Look at his face !! the smile tell us how happy he was !! hahahaha. click on log to enlarge Intention. The switching relay is included in the shipment and is selected automatically by the controller, depending on operating frequency. Selfsupported tower 42 m high The 15m Stack and Fixed Beams. 44 m. This time, with the repeated collapse of my 40m Hex beam, I wanted to try something new. 7 dBi; Length: 10. This thing is a real pile-up buster :) Put it together as per manual and it covers the full band as advertised. 20m 40m yagi