[Milsurplus] WTD - AN/UGM-11 manual - Periodic Plaintive Plea

[Nick England]

The AN/UGM-11 (Wavetek model 404) is a test pattern generator for RTTY
equipment.
The units have shown up on eBay, etc. over the years but no one has turned
up a manual.
I made a FOIA request to the Navy for the manual several years ago, but
keep getting told "it is being reviewed".

It looks like this-
https://www.navy-radio.com/tty/test/ugm11-01.JPG
I did a little reverse-engineering several years ago but it was painful and
incomplete
https://www.navy-radio.com/test/ugm11.htm

Cheers,
Nick England K4NYW
www.navy-radio.com
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