Amateur radio, RF design, electronics, uC, software, hacks, technology
I wanted to test a simple airband antenna design since I had a roll of balanced feedline laying around in my shack doing nothing useful. First I had to measure the velocity constant of the feedline with my MFJ-259 to be able to come to an estimate of the required length of the matching section. [...]
Posted: February 25th, 2012 under Amateur radio, Antennas, Hacks.
Tags: airband antenna, Collinear antenna, DG8SAQ, MFJ-259, propagation factor, reactance measurement, RF choke, Vector Network Analyzer, VNA