|[AMRadio] AMRadio Digest, Vol 118, Issue 7|
w3slk at verizon.net
Sun Nov 3 10:42:07 EST 2013
I am not going to doubt you since you have the manual and I don't. We
used the same MO and coil. He only went to 1880 with it because he wanted to
shore up the MO drift and was limited by the temp. compensating caps in his
junk box. If this is the jumper I think it is, it merely done by moving it
out of the way. Can you elaborate a little? I have a British embassy rig
that has the same requirement.
----- Original Message -----
From: "rbethman" <rbethman at comcast.net>
To: "AM Radio List" <amradio at mailman.qth.net>
Sent: Sunday, November 03, 2013 10:36 AM
Subject: Re: [AMRadio] AMRadio Digest, Vol 118, Issue 7
Consult the manual, specifically the MC-109 modification.
There is ALSO a component that MUST be jumpered to take it out of the
The TU for 160, the PA Coil, and the fixed vacuum cap for such must also
Failure to install that jumper WILL destroy a component!
The same applies when taken back off 160.
It is thoroughly covered in the manual.
My particular instance was having to modify the 2.0 to 2.5MC Tuning
Unit. By doing this mod, I can get down to 1.6MC.
Bob - N0DGN
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