Looking for specifications on old PBS Ch 24 amplifier. Originally mfg by Comark Southwick, MA. Believe Comark was sold to Thompson. Amplifier module is model # B400698 and has 2 TRW 5030 RF transistors. If anyone has specs or source for info please reply off line. Many thanks. Farrell Winder, W8ZCF. _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb