[Elecraft] Loud relay click on CW using RX ant only on some bands

[Chris Hallinan]

Many thanks to all who replied.  Now that I know what it is, I have many
options to resolve it.  My verticals are quite close to the loop, so that
must be the issue.  I'll do a little homework and decide on the best course
of action.  Thanks again!

73,

Chris
K1AY

On Sun, Apr 12, 2015 at 9:19 PM, Dick Dievendorff <dick at elecraft.com> wrote:

> Sounds like the carrier operated relay trying to protect your radio's front
> end.  Perhaps a bit too much signal is reaching your receive antenna from
> your transmit antenna.
>
> You might want to consider a "front end protector" that limits the received
> signal on your Rx antenna.
>
> Several have reported success with
> https://www.arraysolutions.com/Products/ARRAY%20QST.pdf
>
> KD9SV developed a "front end saver" that is sold by DX Engineering, see
> http://www.dxengineering.com/search/brand/kd9sv-products  I have one of
> these, incorporated into a receive antenna switch with preamps.
>
> There are other solutions. In the old days we'd put a pair of diodes back
> to
> back, but that's a particularly noisy solution...
>
> 73 de Dick, K6KR
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
> Chris
> Hallinan
> Sent: Sunday, April 12, 2015 5:28 PM
> To: <elecraft at mailman.qth.net>
> Subject: [Elecraft] Loud relay click on CW using RX ant only on some bands
>
> Hi folks
>
> I've been enjoying a new RX Loop antenna with my K3.  All of a sudden,
> every
> dit and dah (every key press) produces a relay click whenever the RX ANT is
> active.  I swear that wasn't happening before.  With very similar settings,
> (VOX, QSK, ANT1 RX, AGC-F) I hear the relay on 40 meters but not on 20.
> SWR
> is normal, using VFO-A, nothing unusual.  When I back the power down to 5W
> or less, it stops clicking.
>
> Anyone know what I'm doing wrong and how to fix it?  Probably got it into
> some strange mode again!  Although I'm fairly technically savvy, I am still
> getting to know my K3.
>
> Thanks,
>
> Chris
>
>


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