Frequency 10 herz to 2 megaherz; vailable only on 9530 active heads
NSN 6645-01-521-3180
NSN 5998-00-487-8498
NSN 6650-00-239-9226
NSN 5895-01-634-0630
NSN 5920-01-134-8547
NSN 6105-00-633-3234
NSN 5945-01-200-4780
NSN 5920-01-307-8542
NSN 6240-00-454-9293
NSN 5920-00-561-1309
NSN 6145-01-237-6928
NSN 6610-00-840-6187