How to Optimize Your Two Way Radio Short Range Communication - Code Green Prep
A simple and inexpensive, but also well designed and well placed external antenna will massively enhance the range you can send and receive radio signals.
Five Band Indoor Magnetic Loop Aerial by G4IZH
This aerial covers the 20, 17, 15, 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube cut into 4 pieces
Antenna Gain Explained - KB9VBR Antennas
I’m gonna take a confusing subject and hopefully demystify it. Antenna Gain is a popular subject amongst hams. We talk about gain all the time, we’ll compare antenna systems and apply values to as how impressive they are by their gain figures. But what exactly is antenna gain, and what do those numbers mean to […]
How to Make a Balun or Unun
How 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 are such simple things but yet they cost so much from some places. I decided to make my own and did i…