SYSTEM PREVIOUSLY INSTALLED UNDER FAA FORM 337 DATED 4/21/00. REMOVED MODEL AGT02 TELEPHONE TRANSCEIVER P/N 900002-2 AND INSTALLED MODEL AST- . 3500 AIR / SATELLITE TELEPHONE TRANSCEIVER P/N 400-10640-001. A NEW ANTENNA P/N 015-10306-001 WAS INSTALLED FOR SATELLITE OPERATIONS AT F.S. 280.0 AND AN ADDITIONAL HANDSET P/N 500-10036-001 WAS INSTALLED IN T