I have just added some more info at https://www.navy-radio.com/tty/tty-belts.htm Please help fill in the blanks! Nick England K4NYW www.navy-radio.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20241012/27cbd0e7/attachment.html>