[Johnson] T/R relay

[manualman at juno.com]

I solid-stated the rectifier in the thing about 30 years ago and that got
rid of a lot of heat.

Pete, wa2cwa
http://www.manualman.com

On Wed, 10 Jul 2013 23:15:26 -0500 (GMT-05:00) Pete Ferrand
<petef at sprynet.com> writes:
> Hi Bob et al:
> 
> I've used one of these for over 20 years and have forgotten to turn 
> it off as well, although it goes off when station power is off.
> 
> The switches get extremely hot and this can't be good in spite of 
> what Johnson says. I have always mounted mine approximately with the 
> end that holds the UHF connectors facing the ceiling at a slight 
> angle, pulling the heat away from the transformer and capacitor but 
> allowing it to flow out of the air holes. There's air underneath as 
> well. I'm hoping it helped.
> 
> -Pete
> WB2QLL
> Somers, WI