[Heathkit] "little" Apache problem!!

KA4INM ka4inm at gmail.com
Wed Jan 23 19:12:07 EST 2013


   Alexander N. Gerli <ac1wye at gmail.com> wrote:

> This seems insane, but I simply can't get a decent spotting signal into my
> Mohawk from my Apache.
> I've realigned both and the rx is hearing better than ever (heck, the
> calibrator is practically pinning the S meter). But, even at the recommended
> 6mA grid drive, hitting the spotting button on the Apache is very weak in
> the rx, practically inaudible with normal band noise. The VFO and RF stages
> are fine, getting tons of output on the DL.

> I set the calibrator to WWV so it's spot on. And I used it as a signal
> source in the rx to calibrate the band edges for the Apache. Put the coax
> directly into the Mohawk and the spotting signal was OK then. But, going
> through my Dow-Key (yes, I have the ports right...!), the spotting signal is
> so darn weak. I remember my old Apache from 10 years ago had a really good
> spotting signal, never a hint of trouble. Everything else is working fine.

> What am I missing? There's no level adjustment for the spotting signal that
> I can find referenced anywhere in the manual.

> Sure would appreciate any advice on this one.

   My first thought is how did you switch the antenna years ago?
When you press the spot button the internal signal must be received with your 
antenna as you are in the receive mode, are you testing this with an antenna 
that is near enough to your Apache?
-- 
   Ron  KA4INM - Youvan's corollary:
                 Every action results in unwanted side effects.


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