[Elecraft] kpa500 aux cable problem

[Joe Subich, W4TV]

 > There's no real need for the AUX cable.

That's true if you want to give up automatic power control (setting the
correct drive level when the KPA-500 is in use), give up band switching
the K3 from the KPA-500 and don't mind shortening of the first element
because of RF sensing.

73,

    ... Joe, W4TV


On 6/5/2011 12:18 PM, Jim Brown wrote:
> On 6/5/2011 3:36 AM, W2XB wrote:
>> Disconnected the Aux cable and the problem was gone. The amp works fine without the aux cable.
>
> There's no real need for the AUX cable. All it really needs is PTT. It
> samples RF at the input and switches to the frequency that it sees.  I'm
> running with nothing but the RF cable and the PTT cable and it works fine.
>
> 73, Jim K9YC
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