017638 TM 11-6625-508-14-1 Operator's, Organizational, Direct Support, and General Support Maintenance Manual for AN/USM-44B comprised of Signal Generator TS-510B/U and various adapters and cable assemblies. VHF 10 MHz to 480 MHz. 020048 TM 11-6625-2697-14 Operator's, Organizational, Direct Support, and General Support Maintenance Manual for AN/USM-44C comprised of Signal Generator TS-510C/U and various adapters and cable assemblies. VHF 10 MHz to 480 MHz. 020049 TM 11-6625-2697-24P Organizational Direct Support, and General Support Maintenance Repair Parts and Special Tools Lists for Signal Generator AN/USM-44C. 020849 TM 11-6625-508-10 Operator's Manual Signal Generators AN/USM-44 and AN/USM-44A. 020850 TM 11-6625-508-24P Organizational Direct Support, and General Support Maintenance Repair Parts and Special Tools Lists for Signal Generator AN/USM-44 and AN/USM-44A. 020851 TM 11-6625-508-25 Organizational, Field and Depot Maintenance Manual for Signal Generators AN/USM-44 and AN/USM-44A.