Give Pete McCollum's paper a read: http://www.militaryradio.com/spyradio/ Regards, Al [email protected] wrote: > Did the RS-1 "Suitcase Radio" evolve into the AN/GRC-109...... -- Al Klase - N3FRQ [email protected] Flemington, NJ 08822 Web Page: http://www.webex.net/~skywaves/home.htm