[Elecraft] Disabling the ANT2 selection

[Wayne Burdick]

If you do switch to ANT2 by mistake and transmit, the K3 will not be damaged. It is very well protected against open loads and shorts at the antenna jacks. Chances are you'll realized quickly that you're on the wrong antenna since RX noise will drop.

If you're really worried about this, you could connect *both* antenna jacks to the same feedline using a short 'Y' arrangement. A purist would be concerned about the slight change in impedance, but if the 'Y' uses very short cables, you probably won't notice any difference in performance.

Mapping ANT2 out completely would require a firmware change, and though I can put it on the wish-list, I can't guarantee that it will be implemented (quite a few things on this list!).

73,
Wayne
N6KR


On Sep 11, 2013, at 4:45 PM, Jorge Diez - CX6VM <cx6vm.jorge at gmail.com> wrote:

> Hi Tom
> 
> Why? For some reasons, one of this: mistake
> 
> So waiting to know for an answer, I´m also want to disable all that I don´t
> need. Some guest ops at the station, and me also, so will be good to
> preserve the expensive toys :-)
> 
> 73,
> Jorge
> CX6VM/CW5W
> 
> -----Mensaje original-----
> De: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] En nombre de Tom H Childers
> Enviado el: miércoles, 11 de septiembre de 2013 12:34 p.m.
> Para: elecraft at mailman.qth.net
> Asunto: Re: [Elecraft] Disabling the ANT2 selection
> 
> If you only have the switch connected to Antenna One, and no other antennae,
> why would you ever push the antenna button?  
> 
> The front panel of the K3 displays the selected antenna just below the first
> digit of the main VFO, indicating which antenna output is selected, making
> it easy to determine which antenna output has been selected.
> 
> Having said that, the dummy load solution will work and provide a method of
> having the dummy load available for testing.
> 
> 73,
> Tom
> Amateur Radio Operator N5GE
> Licensed since 1976
> ARRL Lifetime Member
> QCWA Lifetime Member 
> 
> On Wed, 11 Sep 2013 11:03:14 -0400, "Doug Ellmore Sr."
> <doug at ellmore.net> wrote:
> 
>> Is there a way I can disable the ANT2 selection on the K3 so it does 
>> not go to ANT2 when I push the ANT button?
>> 
>> I am using a remote ant switch and don't want to make a mistake of 
>> pushing the ANT button and then transmit.
>> 
>> I was receiving some strong signals this morning even when the ANT2 was 
>> selected with no antenna connected.
>> 
>> I guess I could put a dummy load there in case I do a dumb thing...
> 
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