[Elecraft] [KAT500] more antennas

[ab2tc]

Hi all,

I apologize if this is a little bit OT, but it isn't really. My remote
KAT500 is currently maxed out with a G5RV and two resonant dipoles for 10m
and 15m (all working great). I am looking for an easy way to add my 80m
resonant dipole to the mix and have decided that building a diplexer that
would enable me to share one port for the 10m and 80m antennas should be an
easy way to accomplish this. Design programs for these are easy to find and
basically tell me that I need two inductors about 1.1-1.2uH. What toroid
core should I choose for bulding an efficient inductor like this that would
handle at least 500W on 3.8MHz and 28.5MHz?

AB2TC - Knut



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