Earchi antenna kit

Author: nzev

August undefined, 2024

WebIf I were to buy an end fed, I would probably go with the EFHW ready made transformer or full antenna kit. Since I don't have the $, I built this for about $20.00 and some time to … WebPreparing the Antenna Wire The length of the wire should be between 33 and 66 feet for best performance. Longer wires may have excessive impedance for some tuners to properly match. Wires shorter may not radiate as effectively. A 33 foot insulated 20 gauge stranded wire antenna and connecting lug is included with the project. If a longer antenna is

N5DUX Kite Antenna

WebNov 1, 2016 · The secret to this antenna's operation is a trifilar-wound 9:1 UNUN (unbalanced to unbalanced) toroid match transformer that will match the end-fed wire supported by the S9v31 fiberglass mast. This inexpensive, lightweight (4 pounds/1.81 kilograms), end-fed antenna is easily assembled and taken down. http://earchi.org/ how to sell stuff on eve online

Tuning an end-fed wire antenne woes : r/amateurradio - Reddit

WebApr 12, 2024 · This is the completed 9:1 UnUn. Parts Here are the major parts I used: About 2.5 inches of 1.5-inch PVC pipe (1) 1.5-inch PVC end cap (slightly rounded top) (2) 1.5-inch PVC end caps with flat tops (1) SO-239 panel-mount connector (along with some #4 hardware for mounting) A 9:1 unun wound on a T130-2 toroid WebOct 18, 2024 · EARCHI End Fed Matchbox. An end fed antenna consists of a wire fed on its end, the length of that wire is not resonant with any frequency or frequencies you will be using it on. Lengths of a half-wave … WebNov 1, 2016 · The secret to this antenna's operation is a trifilar-wound 9:1 UNUN (unbalanced to unbalanced) toroid match transformer that will match the end-fed wire … how to sell stuff on facebook business page

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Simple Ham Radio Antennas--The Earchi S9 vertical antenna. Post …

WebThese are good for the EARCHI antennas and allow for use on several bands using a 53 foot (and several other suitable lengths) wire. ... The toroid calculator at Kits and Parts will tell you almost everything you need to know about toroids. Click on the toroid you want and insert any two parameters (inductance, frequency, capacitance at ... how to sell stuff online ebayWebearchi make an end-fed "matchbox" which is PURELY an autotransformer. It requires an additional tuner to provide the remaining impedance compensation. ... I have also used the EARCHI antenna/matchbox and a longer than needed length of coax (25ft.) as a portable antenna for QRP work. I don't use it anymore for portable because it's heavy, and ... how to sell stuff on poshmark fast

"http://www.earchi.org/club_antenna.html " - Earchi antenna kit

Earchi antenna kit

Telescopic Masts for Homebrew Vertical Antenna : r/amateurradio …

WebC5ISR Systems 490 East Locust Street Dallastown, PA 17313 Phone: (877) 520-1773. Map and Directions WebEFHW antenna match box - EARCHI, SOTABeam PicoTuner, or the K6ARK Antenna kit (which is tiny!) - Any EFHW match will work. They're not overly complicated to homebrew either! EFHW antenna wire - …

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WebThe EARCHI is a terrible design but they sell like hotcakes. A majority of ham radio antenna manufacturers make performance claims that are wholely unsupported by any evidence. That said, what you've got here is not an "end fed wire" in the usual sense. WebAug 12, 2016 · End-fed wire antennas are a different beast. They are not a half-wavelength long, meaning that, if you choose the length of the radiator wisely, the impedance at the …

http://earchi.org/92011endfedfiles/Endfed6_40.pdf WebDIY EARCHI 9:1 End Fed Matchbox AntennaIn this Lid Tips video we build a DIY EARCHI 9:1 End Fed Antenna. We use a Creality Ender 3 3D printer to create our ...

WebJul 6, 2014 · A 30 foot insulated 18 gauge stranded wire antenna and connecting lug is included with the project and should meet most requirements. Experience has shown that most external tuners and … WebThe first of these two repeaters was installed on May 5th, 2024 at our Maunakapu site replacing the Analog UHF repeater there on 444.100. Since turning it on there has been quite a bit of activity from users and we are …

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WebAshburn, VA 20147 - Free TV Channels. Free TV. Channels TV Antenna Map. & Technical Info Free TV. Guide Listings. These popular channels and more are available in the US … how to sell stuff on bloxburgWebperforms well without an antenna tuner. If SWR adjustment is needed, start by connecting the matchbox to the antenna wire. Tune an antenna analyzer or transceiver to the center of the 20 meter band, 14175 MHz, and check the SWR. If antenna trimming is required, proceed to incrementally adjust the antenna length in 1” intervals until SWR how to sell stuff online for cashWebCa. 2011, the Emergency Amateur Radio Club of Hawaii (EARCHI) marketed a matchbox-kit for a 6-40 mtr multi-band end-fed antenna. See ref. 9A, which includes the parts list and building instructions. Configuration and operation (per ref. 9A): Recommended antenna wire length: 24-30 ft (60 ft max), e.g., 18 AWG. how to sell stuff online for dummiesWebMar 23, 2014 · This antenna has been made popular by the Emergency Amateur Radio Club of Hawaii (EARCHI). It consists of 30ft of wire fed … how to sell stuff on thredupWebEARCHI End-fed HF Matchbox Antenna: 8: 2024-06-15: 52 or home brew (5) ECO 073 Balcony antenna for 10-15-20-40 meter : 1: 2014-08-27 (3) ECO 40m vertical: 2: 2009-01-25: 599 (5) ... Joplin Amateur Radio Club Antenna Launcher Kit Greyline Performance DXF Flagpole Verticals GAP Antenna Products Mono Gap ULTIMAX SKYWAVER 80M … how to sell stuff in skyblock hypixelWebThe 'usual' end-fed box (like my EARCHI) just has a 9:1 unun in the box and is designed to be used with non-resonant wire lengths and an antenna tuner that can handle fairly high SWR. The myantennas owner used to work for Cushcraft, I believe, designing antennas, and this is something he came up with. QST reviewed it and said it works as ... how to sell stuff on starving artistsWebJul 29, 2024 · WH6FXL - Results EARCHI.org END FED 6–40 Meter Multiband HF Antenna FT-8, Winlink, SSB 25 foot pole with 66'8" of #14 wire sloping in the air Counterpoise 66'8 of #14 wire on the ground 25' of Coax to a AT-100ProII LDG auto tuner and into a ICOM 7300 running around 100watt. No Amp. how to sell stuff to people