[Hammarlund] HQ-180 alignment issue
manualman at juno.com
manualman at juno.com
Tue Aug 19 03:13:04 EDT 2014
I would encourage you to go through the alignment again by the book, and
be especially careful doing the second conversion mixer adjustments. Take
your time and don't miss any steps. Also, 6C4 tubes can be squirrley at
times. Some work well; others become flaky at higher frequencies.
Pete, wa2cwa
On Mon, 18 Aug 2014 21:14:53 -0600 Robert Sauvan <rsauvan at beyondbb.com>
writes:
> Hi all,
> I recently did an alignment on my HQ-180. It seemed to have gone
> quite
> well except I have noticed for the first time today that 15 and 10
> meters dont seem to be working. What I mean by that is when I do a
> zero
> beat with my Ranger transmitter, I do not hear a tone. Works fine on
> all
> other bands. Since I am unable to hear any signals on these 2 bands,
> I
> cant even tell if I am in the ham bands. I noticed this when I was
> doing
> my alignment on 20 meters. After I thought I was done with the band,
> I
> had noticed signals were out of the ham band. I was able to correct
> that
> with tuning my coils and bringing the signals into the band and then
>
> calibrated. I have replaced both tubes 6C4 and first mixer 6BE6 with
>
> numerous others and no change. Any ideas what I should look for
> next?
>
> Thanks-Bob-W0YBS
More information about the Hammarlund
mailing list