Traps are a divisive topic, with many hams saying they are inefficient, even though many commercial multi-band antennas use them. Whether they are inefficient or not, with portable operating there are many kinds of ways to measure efficiency: Radiated power (or how much power is lost in the antenna)Footprint (or how much space you need […]
Rebuilding a Mosley triband yagi.
A while back I acquired most of a Mosley MP-33 triband which had been modified to be taken on a DXpedition 20ish years ago. The parts I got were the director, reflector and boom, so my task was to build a driven element. My approach was to try and replicate the original design as accurately […]