January 5th 09, 04:45 PM
posted to rec.radio.amateur.antenna,rec.radio.shortwave
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First recorded activity by RadioBanter: Dec 2008
Posts: 45
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cantenna
"John Smith" wrote in message
...
Jeff Liebermann wrote:
...
... The thermal resistance of the flange mount was too high for
one device to handle the load at the rated temperatures. However, 4
devices did the trick.
Barry L. Ornitz, PhD WA4VZQ
Yeah, all that, and then try to sink 5KW+ into a paint can ... 20 X 1000
ohm resistors is very minimum, in a tubular aluminum heat-sink-no less, in
my humble opinion ... as when you are in key-down, and your attention is
diverted, things can get warm, quickly, or so it seems!
That's where the crisco comes in handy!
Regards,
JS
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