[Elecraft] Advice!

[Don Wilhelm]

Phil,

AM with its 50% power carrier and sidebands that change in amplitude 
should present a less harsh situation than RTTY which is 100% duty 
cycle.  There have been reports of running RTTY for an extended time 
with no harm.  But the specification says 500 watts with 10 minutes key 
down and 5 minutes standby.  It should do at least that well with AM.

The KPA500 has temperature alarms should it get too hot, so it should 
"take care of itself".

73,
Don W3FPR

On 7/30/2011 2:49 PM, Phil LaMarche wrote:
> When running the KPA500 on AM, it there any time limit before unkeying?
> While operating, the fan comes on and then it kicks into another speed.
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> Thanks
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