Earchi antenna kit

Author: bvnd

August undefined, 2024

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 ... Webdo not get a g5rv unless a: you want a 20 meter monoband antenna and b: you can mount it at a minimum of about 35 feet all around. It is not designed for multiband use. It can work. You will always be happier by just running a 100 foot doublet with open wire line to your shack and a tuner. ve3cnu • 5 yr. ago.

N5DUX Kite Antenna

Webearchi 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 ... opc fisher

Emergency Amateur Radio Club - Hawaii - Homebrew …

WebNov 14, 2024 · The antenna wire is a 0.3mm² (approx. 22awg) from Sotabeams. It was used as a long wire as an L, sloper or horizontal. The wire is rolled in a wire winder and the length (random) is adjusted to fit the available space. Started as a 41m long (134.5 feet aprox) but after 100+ activations it’s shorter (some tree entanglement…). 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 … WebEARCHI 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 … iowa football free live streaming

Simple Antenna Ideas Simple 2-Meter Quarter Wave Ground …

END FED 20 Meter Half wave Antenna - KB6NU

WebI am an Earchi user here as well, great antenna to experiment with and a super value for a new ham. Mine is in its second enclosure (either deer stomped the first box or a car drove through my yard) and it has 107’ wire sloped into a tree at 33’ works all HF bands with tuner. ... Easy to make a 20 meter vertical and with this QRPGuys kit I ... WebC5ISR Systems 490 East Locust Street Dallastown, PA 17313 Phone: (877) 520-1773. Map and Directions iowa football entranceWebAug 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 … opc fine

"WebThat is what this EARCHI antenna is for. I've used them for years where more complex arrangements aren't possible (e.g. portable). It won't be as effective as a monoband 1/4 … " - Earchi antenna kit

Earchi antenna kit

Can anyone help me understand some end-fed antenna voodoo?

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. WebAntenna was up about 45 feet on tree branch - wire length was about 52.5 feet, slight slope, 55 feet of coax, line isolator at radio. Work Hawaii for the very first time. Guess the …

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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 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 - …

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 ... Web1. GET A PREASSEMBLED ANTENNA. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those … Links - Emergency Amateur Radio Club - Hawaii - Homebrew Projects - EARCHI EARC would like to assist Oahu residents in obtaining or upgrading their FCC … About Us - Emergency Amateur Radio Club - Hawaii - Homebrew Projects - EARCHI FAQ - Emergency Amateur Radio Club - Hawaii - Homebrew Projects - EARCHI Emergency Amateur Radio Club, Honolulu, HI, Repeaters. 444.500+ Repeater: …

WebNov 7, 2024 · The Smoking Ape sent me this EARCHI antenna kit build! KD9LFZ, Nov 4, 2024 #1. KD5WW, NN6U, KI7WL and 34 others like this. KK6YO Ham Member QRZ … WebGreat Homebrew Antenna Projects: Croquet Wire Ground Plane. Put together out of croquet wires by WH7DA, this ground plane is an example of how easy it is to construct simple antennas out of materials laying around the house, that still work like purchased production antennas.

WebEARCHI End Fed Antenna - - Probably the best-known end-fed antenna kit series was built by the Emergency Amateur Radio Club or Hawaii or EARCHI. They designed and sold kits for single band end feds (no tuner required) and a multi band end fed (40 thru 6 meters) which required a tuner. Several of us have made these easy-to-build antennas.

WebOct 6, 2016 · Moving on to the EARC-HI design, it’s probably the simplest antenna out there. The matchbox houses a still relatively small torroid with one critical difference- it … iowa football coaching staff directoryWebLDG Electronics S9V Series Vertical Antennas are tough, yet ultra-lightweight, non-resonant vertical antennas designed for amateur radio use from 80 through 6 meters. Use the S9V18 for 20 through 6-meters, the … opc fine serviceshttp://www.earchi.org/club_antenna.html opc first catechismWebperforms 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 iowa football drafteeshttp://www.earchi.org/proj_homebrew.html opcflWebApr 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 opc foreign missionsWebMar 23, 2014 · This antenna has been made popular by the Emergency Amateur Radio Club of Hawaii (EARCHI). It consists of 30ft of wire fed … opc foods