SCR-188 (BC-191). In a message dated 4/20/2005 7:34:57 AM Central Daylight Time, robandpj at earthlink.net writes: > Hi, > What transmitter(s) is(are) subject microphone used for? > Thanks, Rob Robert Downs - Houston <http://www.wa5cab.com> (Web Store) MVPA 9480 <wa5cab at cs.com> (Primary email) <wa5cab at houston.rr.com> (Backup email)