[Moon-net] [Moon] All I want for Christmas...

[w2drz]

Hugh,

Here is what I suggest the sequence to use, will fix blown up stuff,
don't need a pile of relays and preamps.....

(1.)	 Preamp protect relay in standby receive mode,
 suggest that relay be powered on in receive mode,
 off in tx mode..
 reason is loss of power to relay,
broken wire/shorted wire to relay,
 always protected and if station is shut down,
 receive relay is in the protect mode.
(2.)	TX antenna relay "ON"
(3.)	Power amp "ON"
(4.)	Driver system "ON"

tom


Hugh VA3TO wrote:
> 
> ...is a new RF relay.
> 
> On Friday evening I rushed home from work to participate in the DUBUS 2m
> CW event with hopes of working some new initials using my recently
> christened h/b 8877 amplifier.
> Something didn't seem right with the amp tuning and I quickly discovered
> that the SWR was terrible. A continuity check on the TX feedline in the
> shack showed a dead short. Today I climbed up the tower with my
> multimeter and quickly discovered that the relay was the culprit. Some
> slightly blurred photos below (too many Molsons' last night hihi !).
> 
> http://home.cogeco.ca/~va3to/Relay/Relay1.jpg
> http://home.cogeco.ca/~va3to/Relay/Relay2.jpg
> 
> I thought the Dow Key transfer relay was good for 1700W at 144MHz
> according to the datasheet but evidently not.
> 
> So I'm looking for a replacement...doesn't have to be a transfer type.
> A SPDT would suffice but it must be capable of handing at least 1500W
> with a 12V or 28V coil.
> I can pay using Paypal. Anyone ?
> 
> Merry Christmas & Happy New Year to all !
> Hugh VA3TO
> 
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