- Standard test tone
Test Tones In
telecommunication, a standard test tone is a single- frequencysignal with a standardized level generally used for level alignmentof single links and of links in tandem.
"Note:" For standardized test signal levels and frequencies, see MIL-STD-188-100 for DOD use, and the "Code of Federal Regulations", Title 47,
part 68for other Government agencies.
Federal Standard 1037Cand from MIL-STD-188
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