[Elecraft] (K3) diversity - relay click

Brett Howard brett at livecomputers.com
Sun Sep 19 22:44:05 EDT 2010


Yep you're probably activating your carrier operated relays because you
don't have enough separation between your antennas.  Perhaps a limiter
could help if you're not transmitting on both of them.

~Brett (N7MG)

On Sun, 2010-09-19 at 23:09 -0300, Jorge Diez - CX6VM wrote:
> Hello,
> 
> I am using diversity and I notice something like a relay inside the K3 when
> transmitting.
> 
> Some weeks ago Don told me about a problem I has with the RX ANT IN. The
> problem was that the antenna I was using in RX ANT IN was very close to the
> TX antenna.
> 
> In the case of diversity I have a 160 delta loop connected in AUX RF and a
> 160 sloper connected to the ANT1.
> 
> In this case the two antennas must be far away one from the other?
> 
> This is the same problem I had when using a RX antenna in RX ANT IN?
> 
> Thanks,
> Jorge
> CX6VM
> 
> -----Mensaje original-----
> De: Don Wilhelm [mailto:w3fpr at embarqmail.com] 
> Enviado el: Domingo, 11 de Julio de 2010 09:51 a.m.
> Para: Jorge Diez - CX6VM
> CC: 'Elecraft Reflector'
> Asunto: Re: [Elecraft] continuous relay click in RX ANT IN
> 
> Jorge,
> 
> The clicking you hear is the COR (carrier operated relay) on the RX ANT 
> activating to protect the K3 receiver. 
> Your 40 mtr Yagi is picking up much more of your TX signal than the 
> Beverage. 
> You should take steps to reduce the amount of TX signal picked up by the 
> RX ant.
> 
> 73,
> Don W3FPR
> 
> 
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