
Good wire for wire antenna? - Amateur Radio Stack Exchange
Oct 22, 2013 · What properties should I look for in a good wire for building a wire antenna? Could anyone recommend something specific for me?
coaxial cable - Coax in the wall, or around the house? - Amateur Radio ...
Sep 22, 2023 · Cable losses - at HF, with a low SWR antenna, the loss in the cable will be insignificant. Balun - To reduce RF in the house, caused by the coax (or ground lead) radiating, your beam should …
antenna - Understanding RG6-75 ohm Cable Impedance - Amateur …
Aug 6, 2019 · What is the 75 ohm meaning (written at the the cable shield)? The characteristic impedance is a property of the raw cable that tells you the ratio of voltage and current of a wave …
K9AY receive loop antenna using Cat5e cable
May 17, 2025 · Also, are you using this receive antenna with an amateur radio transceiver? It would be nice to indicate which one (s) you plan to use. If the transceiver has a built-in preamp, a typical small …
coaxial cable - Using 75 Ω instead of 50 Ω coax feed - Amateur Radio ...
Jun 23, 2019 · And a directional antenna in a receive application fed with coax with poor isolation may pick up enough external noise to negate the benefits of the antenna directivity. 75 ohm coax will …
coaxial cable - I have 60 feet of coax but only need 20 feet; can I ...
Apr 12, 2016 · I was given about 60 feet of good cable with connections but only need about 20 feet. Can I loop up the end or do I need to cut and put a new connector on?
Which cable is better for ham radio antenna? RG58, RG59, or RG6?
Aug 2, 2020 · Ideally you want to match the feedline to the antenna's feedpoint impedance, thus minimizing SWR loss. But you must also ensure the impedance seen by your radio, which is a …
antenna theory - Common-mode current and choke placement
Jun 8, 2020 · Common mode current occurs due to coupling between the antenna and the coax shield, so if you place the choke at the feedpoint, you break the circuit and most of the common mode …
Using UV5R HTs. Will i lose receiving range by attaching coaxial cable ...
Jul 17, 2023 · The answer is that it depends, although in my experience increasing height will always improve range. Height matters a lot in most VHF propagation. For your UV5R HT, antenna height will …
coaxial cable - How do I connect an antenna with coax output to my ...
Aug 8, 2017 · Most 75-ohm connectors are the female F connectors that coaxial cable for cable television and television and radio antennas usually use. It should screw right in. I do have an older …