[1000mp] RE: Mark V resetting while running an amp on 10M

[Lou Laderman]

Correction: while running on 10M without the amp, the Mark V reset.
This seems to be an issue with 10M, and not just with the amp. Any
suggestions?

Lou, KB0CJ  



> I encountered a very peculiar issue operating 10M with my amplifier
> (Alpha 87A) today. The Mark V would reset all frequencies to default
> (28000, 21000, etc) without warning, and the processor and class A
> switches were turned off as well. I thought I had an issue with RF
> getting into my computer and back into the radio as I was using a
> logging program, but after putting chokes on the various lines, and
> ultimately unhooking the RS232 line from the computer to the Mark V, I
> had the same issue.  This problem only shows up while running the amp
> on 10M, and even then, not immediately or with any consistency;
> rather, it will happen suddenly. When using the Mark V with the amp on
> other bands, or operating on 10M without the amp, it is fine.  
> 
> I am puzzled and have no idea what to do (other than not run the amp
> on 10M). I've used my amp many times on 10M and have never had this
> issue before.  Has anybody experienced this before or have any ideas
> what might be going on?
> 
> Lou, KBØCJ
> 
>