I also like the USAF training documents on the AN/FGC-58 (28ASR) in this section https://www.navy-radio.com/manuals-ttycorp.htm#training Nick England K4NYW www.navy-radio.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20240906/627c5ae4/attachment.html>