Standard Frequency Receiver. There was a 5090 and 5091. This guy lists the manual (and he is in the UK):
http://www.divdev.fsnet.co.uk/manmisc.htm _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
