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- MIL-STD 188-110A serial tone carrying digital crypto voice - MIL-STD
188-110A App. B 39-tone waveform carrying digital crypto voice
- MIL-STD
188-110B App. C serial tone burst waveforms
- RFSM 2000Bd modified MIL-STD 188-110A serial tone waveform |
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a variant of the Russian AT-3004D/AT-3104 modems |
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very popular among amateur radio operators |
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by the Rohde & Schwarz GN2130 digital voice plugin |
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PSK waveform in SKYHOPPER frequency hopping mode |