HAL had this TTY keyboard with a loop interface. Anyone have any documentation on this? Google was not fruitful. 73 Eugene W2HX My Youtube Channel: https://www.youtube.com/@w2hx/videos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20241002/33266680/attachment.html>