4 element 2 meter beam

4 element 2 meter beam

4 element 2 meter beam I also was looking for ways to minimize cost - I simply couldn't lay . . Cushcraft A26B2N-VPK Stacking Kit For A17B2. Repeat the above steps for the Reflector Element Assemblies. It is an improvement over the dipole in several ways. Empty Cart. FS: KLM KT34a 4 element triband beam, local pickup only. , Longe. £ 115. 5 MHz Weight = 2. For an alternative construction method, with many useful additional notes on the design, see "A Compact Two-Element, 2-Meter Beam" by Lee Lumpkin, KB8WEV, and Bob Cerrito, WA1FXT. Six Meter three-element Yagi -- From The ARRL Six Meter Tri-Yagi-- From The ARRL Six Meter Monster Beam-- 8 element, 41 foot boom, 14. If you decide you really need a yagi with more elements, here are the lengths of them. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4" CPVC pipe with one tee, and a bit of time. Actual gain measurements were made between my QTH and a friend's house located 5 miles away. Direct 50 Ohm feed. 8 cm) O. 4:1 Maximum Power: 150 Watts Center Boom: 1" sq. Feb 17, 2016 · 2 Meter Cubical Quads. Step 4 Drill a hole in the driven element recess in one of the beam parts the same size as the coax cable . 25 or 60/2. • Frequency coverage (MHz): 14. The LJ-204BA has a tiltable cast aluminum boom-to-mast clamp, heavy gauge machine formed element-to-boom brackets and stainless steel hardware and clamps. 16, which is about 2. 00: Spec=$383. The FM Broadcast Band Ground Plane and VHF Airband Ground Plane base antennas have a 1/4 wave vertical element that can be tuned to any frequency within the 87-108 MHz FM or 108-136 MHz Airband ranges. 2. Condition is "Used". you can go to e-bay and look under quad antenna, will be under judyandrandytaylor . I had another wire antenna covering from 10 to 20 meters, but I couldn’t install it very high. My 2 meter 6 element yagi gave me S9+20 and it is considerably LARGER! Oh in researching this project I found that the band-width is huge (reported to be 10 mhz) The 4-element design used for the 70-cm section of the beam has slightly more gain than the 3-elements used on 2 meters. This antenna has great front-to-back ratio and is optimized for wide range of frequency, a bargain for its compact design (about 76 centimeter long). The article appeared in the January, 2000, QST, pp. 5 ft (9. 40 A Five-Element Quad Antenna for 2 Meters By Jim Reynante, KD6GLFPO Box 27856San Diego, CA 92198 If your station is located on the fringe of the repeater’s coverage area, you’ve come to the right place. Dimensions for the 10 and 11m version are 4,0 * 1,5 meter, weight only about 1,0 kg, The gain is 6,0 dBi. All are designed with one goal in the mind, to maintain a solid gain and F/B and SWR ratio over the band. Build a 2 Meter 5/4 Wave Antenna. Its gain of 15. Those are just plain wrong, or at least lack reference. Jan 28, 2008 · OWA 4 Element Yagi for 2 Meter – Great F/B ratio I would like to share with you a compact 4 Element Yagi-Uda antenna design for 2 meter amateur radio band. 2 meter Quagi 97. 17 ⋅ wavelength. It is well constructed and gives great performance on 26. Buyer to collect and if you want to view beforehand contact me through EBay. The spacing of of the driven element from the reflector of a Yagi antenna is. Mosley - TA-63-N. Two deluxe high "Q" coils on each element limit the mechanical size of the MB-11 without limiting its electrical capability. 2 wavelengths the impedance falls rapidly away. Their directional selectivity and high gain mean quieter received signals, and stronger transmitted signals, than many other antenna options. Seven Element Yagi. 4 meters: 3. A Gizmotchy® Support Kit is recommended for beams exceeding 5 elements. The Cushcraft 40m Yagi Has 43. 4091 Viscount - Memphis, Tennessee 38118 (901) 794-9494 tain its desirable characteristics. MFJ MFJ1763, MFJ-1763, 2m PORTABLE 3-ELEMENT BEAM. There are just too many ways for a KLM 40 meter beam to become intermittent, and cause extreme interstation interference in an SO2R setup. This is the start of the south tower. This orientation sets the beam to vertical polarization which is ideal for operations with handheld, mobile and repeater stations. 20m monoband Yagi antenna 5el. Boom length: 6 Ft. 0 dB E-Plane 3 dB Beamwidth:29 degrees H-Plane 3 dB Beamwidth:30 degrees Bandwidth at 2:1 SWR:Over 2. 95. Check Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. Excellent SWR on a built Cross Yagi Antenna with Low Noise pickup. > of a resonant dipole (can be folded or not) and a reflector element. The coax feed is inserted into the DE T via a drilled hole on the T’s under TWO ELEMENT PHASED VERTICAL SYSTEM "Christman Phasing" by W4NFR 5-22-2011 I have always been curious about vertical antennas and how to make them efficient. The Tiny 2+1 Renamed the Tiny 3. conventional Yagi but you get the same gain and caracteristics. Mosley A-315, 15 meter three element. The above Gizmotchy® is owned by Panama Red in North Carolina. All Gizmotchy® 10/11 Meter Beams use 2 feed lines, can be used in either horizontal or vertical mode with a standard coax switch. 00: . Theoritically the antenna has about 10dBi gain in its main lobe and a good Front-to-Back ratio, a perfect substitute if you don’t have means to get the popular V24 Silverthunder antenna. Figure 2—Drawing of the driven-element modification. Most VHF DXers including moonbouncers now agree that this is the way to go. 125") diameter rod element lengths are critical and are in inches all elements are assumed insulated from boom if metal s0=0 dr=2. The Gizmotchy® high performance horizontal and vertical beam antenna traces its roots back to the early dawn. antenna is unique because it is mounted on top of a 101 foot pine tree and turned by a $39 rotor. 12 mtr. The Antenna Farm : 2 Meter Yagi Antennas - VHF & UHF Mobile Radios Radio Accessories VHF & UHF Hand Held Radios Antennas Mobile Antenna Mounts SWR/Power Meters Adapters Coaxial Cable Two Way Accessories Antenna Accessories DC Power Supplies Coax Cable Accessories Amplifiers Connectors Aviation Radios Repeater Systems Towers & Accessories Scanners & Receivers Duplexers Diplexers & Triplexers . MAC Adjustable Gamma Match 2000 watts. 5 lbs Turn Radius = 26" Gain dbi = 9+ FBR = >25db Beam Width (hpp) = 60d Wind Load (sq. The Tiny 2 The "Tiny 2" is a great little 2 meter beam. Consider the 2-element wire 40 meter beam. Diamond Antennas are sold through authorized dealers. Of course, following the 25 mm directions carefully led to the overall inside loop dimension of 2. This 2 meter 3 element cubical quad antenna is small, light weight and portable. ft. D. 2 Meter Beam 4 element design wanted: Dustin: Antenna: 1: July 6th 04 05:15 AM: FS: Cushcraft A148-10S 2 meter beam: WZ1U: Swap: 0: September 22nd 03 08:58 PM: Need help with a Comet 6 meter beam: Antenna: 0: July 24th 03 10:55 PM: FS: Hygain 204BAS 4 Element 20 Meter Beam: W9zr: Swap: 0: July 5th 03 01:53 AM The pattern of left is for a two-element 20-meter quad 35 feet high (1/2 wave high). "Maximum" Beam, Boom Lenght: 16'. The north tower mounts a 2 meter ringo, 7 element 6 meter home brew beam, an 11 element 2 meter beam, and a 2 element 40 meter beam. Cushcraft A26B2N-VPK Stacking Kit For A17B2. Since then he has refined the design and has worked some superb dx from his qth in IO93. The tower height is 72 ft, with a 2" OD 24 ft mast, extending 17 feet for antenna mounting. The idea is to get an small antenna, this is a great solution. 000 - 14. 4 Element 2 Meter Beam Weather here in Northeast Ohio has degraded and experimenting outside on the deck is not too pleasant, so I am using the beam inside the shack about 4 feet off ground level and pointed toward the window for one repeater 23 miles away, (total quieting), and turned about 180 degrees toward another. Note that it too has a “clean” pattern. N5WVX 2M 7 Element Yagi (With a “Twist”) WA8CCU 2 METER COAX BEAM LONG YAGI 4 ELEMENTS ANTENNA Designed by 1 CM 062 op. Gizmotchy® 2 Meter Beam Antenna. 00. 62000 -0. $239. The length of the DRIVEN element is 16 Feet and 9 + 6 /16 inches. DIAMOND A144S5 144 MHz 5 Element Yagi Beam Antenna 37. 10 or 11 mtr. Element Length : 3. 4 Director . The 28-Ohm-Yagi see down! The 4-Element-2m-50Ohm-Yagi, Boom 100cm. N2IC - 40-Meter Beam. Jun 20, 2011 · Dimensions 10,2 * 4,0 meter, the aluminum boom is only 8,7 meter, gain 11,07dBi. 00: g45- 4 element 5k gamma: $355. Structurally 2M12 beams are sturdy and clean, requiring no boom support. Figure 4—Side view of the driven-element area and SO-239 mounting bracket. HF MONOBAND YAGIS KLM high performance monobanders are the answer for quality installations where larger models are not practical or necessary. Six-element 2-meter Yagi beam antenna Figure 18-8 shows the construction details for a six-element 2-meter Yagi beam antenna. A 16-foot-long Reynolds aluminum-tubing boom (two 8-foot lengths joined) provides 0. 2 wavelengths the impedance falls rapidly away. Antennas like the 2 element Delta Loop or V-Quad , uses the same same Gamma Match EXCEPT that the Gamma Rod = 36 inches instead of 24 inches. The design featured here evolved in 1996, and is the mk2 version. mast. May 06, 2000 · I've built beams for 20-10 meters with great success (and savings!). 00. Both Yagis have high gain and not a good F/B, butfor most portable purposes it should be no disadvantage. Regardless of its shape, the UrbanBeam delivers outstanding performance for an antenna that weighs only 45 lb (20. Light 4 element can still be used with . Gain 7dBd, F/B 12dB. Even at 22 feet wide and approximately 5 feet tall, it has a smaller turning radius than a two element 20 meter Yagi, and offers several enhanced operating characteristics. com Feb 23, 2016 · Gizmotchy Beam Antenna. 1099. Feb 20, 2015 · You might check out the 4 element Arrow 6 meter yagi,Model 52-4S. 88 / 4 = 20. This is the same basic Yagi with its boom extended to twelve metres in length, elements added as required and the whole subjected to some optimisation adjustments to clean it up a bit. 95 $145. Its . Broad banded. My garage is 55 feet long about 35 feet wide. Here is a 6 element yagi my friend and I have built for experimenting with directional antenna. Maco M103 3-element Yagi CB base station beam antenna: $206. I feed them directly through a 1:1 balun made of 6 turns of coax wound on a 6 inch PVC form. Enter the desired frequency then click on Calculate and the optimum values for that combination will be displayed in feet, inches and . This calculator is designed to give the critical information of a particular beam antenna, in this case a seven element Yagi, for the frequency chosen. his first Gizmotchy® in the 70's and has talked all over the world. 8 element cubical quad 14 + dbi gain $160. B. The Cushcraft 40m Yagi Has 43. The supports for the elements are 1/2″ inside diameter PVC. This orientation sets the beam to vertical polarization which is ideal for operations with handheld, mobile and repeater stations. 14 dB over an isotropic source. 4 element 2 meter beam