[1000mp] relay thing...deeeef receiver

Richard Hamlin rdhcai at msn.com
Tue Sep 5 19:42:19 EDT 2006


Hello,
This is my experience as well:
Cecil:
quote from Garry, NI6T

Good work, but for my money, as your logic indicates, the T/R relay is the
culprit. I believe that, while experiencing attenuation, I have switched
antennas A/B and back and it is not that relay. The T/R relay is the only
one being toggled when the condition appears. Also, I do not believe
lightning is the major causative factor. I live in an area (coastal W6) with
extremely low lightning incidence, and am down in a canyon as well.
end quote


I have not ever used an amp. Worse is that I almost never transmit, which 
given the contact dewetting mode of failure that has been postulated, 
probably makes my rig more susceptible. That is where I am worrying because 
it seems to me that unless the relay contacts have been improved or Yeasu 
comes up with a low DC current to add to the contacts to prevent the 
dewetting, I am just going to have the problem all over again. Are there 
better relays (that fit the board) or has Yeasu changed the spec. on the 
relay and improved things? I suspect a partial solution is to rag chew a lot 
(I am pretty much CW only), and cycle the T/R relay, but that is not 
answering my needs right now.
thanks
rich WA7KMA




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