[Elecraft] [KAT500] more antennas

[Robert Sands]

I use my Carolina Windom on port one (KAT 500 matches
80,60,40,20,17,15,10), 20 M beam on port two, and another set of antennas
on a remote switch on port 3. Whatever antenna I choose on that switch (80
M sloper, 40 M sloper or 20 M sloper) the KAT finds the right match for the
right band (if I switch to the right antenna). The system is great and the
tuner is flawless. So you can use the same antenna to match different bands
if it is matchable.
Bob
K7VO

On Fri, Jan 18, 2013 at 4:32 AM, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> Knut,
>
> The easy way is to add two wires for 80 meters to either of the resonant
> dipoles (using the same coax).  If you orient the 80 meter antenna wires at
> right angles to the existing antenna, there will be no interaction.  If you
> cannot get them at right angles, then separate the wires as much as you can
> and re-tune the higher frequency antenna.
>
> I run 3 such "fan dipoles" here.  One for 80 and 40, another for 20, 15,
> and 10, and yet another for 30, 17 and 12 meters.  The 80 and 40 meter
> antennas are inverted Vee while the others are straight dipoles.  The 80
> and 40 wires are at right angles while the wires for the others are
> separated by about a foot - PVC is used for the spacers.
>
> 73,
> Don W3FPR
>
> On 1/17/2013 5:22 PM, ab2tc 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?
>>
>>
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