w9gb wrote:

Make sure that ICM did not quote you for:

1. A high precision crystal (they may do that for this one since it
determines IF)

2. Entire L6 assembly
( Replacing the entire L6 shield can -- as described in W1FSN NC-300
revision - page 18 of 18)
ftp://bama.sbc.edu/downloads/nationa...sn/300fsn.djvu

ICM likely has the documentation for that entire mod -- and may be
referencing that -- and may be more than you want.

w9gb

I was interested in doing the mods as outlined in the above referenced
field service notes.
I had downloaded the info from bama a long time ago and am just now
starting to get the rx into working codition.

Xtals are used in upper/lower side band select which replaces L6
assembly. I a surprised to
learn that ICM is able to research the NC-300 that well. These guys must
be good!