[Elecraft] [KAT500] more antennas

[Walter Underwood]

You can usually drive resonant dipoles in parallel without a diplexer. This is how fan dipoles work. The non-resonant ones will present a high impedance, so the power goes to the resonant one.

wunder
K6WRU

On Jan 17, 2013, at 2:26 PM, Robert Friess wrote:

> Either T130-6 or T130-2 should do nicely.
> 
> 73,
> Bob, N6CM
> 
> On Thu, Jan 17, 2013 at 2:22 PM, ab2tc <ab2tc at arrl.net> wrote:
> 
>> 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
>>