I have a Marconi T.F. 643 C, in Megacycles ! VHF Absorbtion wave meter. It has an audio out too. Emacs! -------------- next part -------------- A non-text attachment was scrubbed... Name: 5f7a4f.jpg Type: image/jpeg Size: 394984 bytes Desc: not available URL: <http://www.febo.com/pipermail/time-nuts/attachments/20170214/8c777f5e/attachment-0001.jpg>