A single component specifically designed to make a permanent representation of the frequency of an incoming signal and the time at which it was received.
NSN 6685-01-205-2385
NSN 6110-01-191-1335
NSN 6220-01-441-2889
NSN 5999-01-631-6508
NSN 6220-00-236-3383
NSN 6320-01-443-8676
NSN 5998-01-645-8702
NSN 5925-00-104-8310
NSN 7035-00-320-5644
NSN 6220-00-657-2098
NSN 6110-01-536-4399
NSN 6645-01-631-8160