[MRCA] Looking for Schematic or Manual for Coast Guard Radio

[Greg]

Hello, I am looking for a schematic or manual for a receiver
manufactured for the Coast Guard.  It is an RC-123 manufactured by
Federal Telephone and Radio Corp. in Newark New Jersey.  Here is a web
page which describes and identical receiver:

http://www.ohio.edu/people/postr/bapix/Mackay.htm

It covers 15 to 650 KC and is a TRF with regenerative detector.
I want to get the radio up and running to monitor the 500 KC
experimenter's band.

Any help locating info on this radio would be much appreciated!

73 Greg KF5N