Military Radios → Watkins Johnson WJ-9040 VLF-1400MHz receiver, Contains one main receiver and two handoff receivers, WJ-8628-4-6 VHF/UHF, HFE223 HF extender, WJ-8625-1 VLF receiver, IFD220 IF demodulator
Watkins Johnson WJ-9040 VLF-1400MHz receiver, Contains one main receiver and two handoff receivers, WJ-8628-4-6 VHF/UHF, HFE223 HF extender, WJ-8625-1 VLF receiver, IFD220 IF demodulator