WebStep 1. Remove 21 or 22 inches of the outer insulation of the coaxial cable and the shield of the wire from one side of the inner coaxial cable. Be careful not to cut into the coaxial … WebJan 26, 2024 · Here are some comment from Richard: The doublet is a very efficient and effective multi-band antenna. In this video I show just how easy it is to make one! This antenna covers 80-10m with a suitable antenna tuner. Ideally, use a tuner with a balanced input or put a suitable 1:1 balun between the antenna and an unbalanced tuner. …
Building Simple Antennas - American Radio Relay League
WebThis type of antenna is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It’s a dipole fed off center with a 4:1 balun at the offset feed point. The antenna shown covers 80, 40, 20 and 10 meters. ... (.975) although this generally does not make a noticeable difference in the ... WebMar 17, 2024 · The average hacker with only a middling exposure to RF may be familiar with trace antennas, yagis and dipoles, but there’s a whole load more out there. [Eric Sorensen] is going down the path ... artame sa
Making Waves – A DIY HF Antenna for the smallest spaces
WebHow to Make a Balun or Unun: I needed a simple portable HF antenna. A long wire and some insulators is pretty easy to carry. To connect it to the radio I needed a Balun.These … WebA good way to locate radio-frequency interference (RFI) in the HF bands is with a small direction finding antenna and a portable radio. Here is a simple antenna design that is effective from 3 to 22 MHz. Based on a resonant magnetic loop, it has high transducer gain (high sensitivity), and also very good directionality. You can build it cheaply ... WebSep 5, 2015 · HF communication best fills this need. I had the radios but needed an antenna that would work on most amateur bands and others if needed. Having recently relocated to a more free state, I had all the real estate to put up whatever antenna I wanted. I wanted an antenna that fit into the space of a dipole, is relatively invisible, easy to build ... arta mina tama pt