In telecommunication, standard telegraph level (STL) is the power per individual telegraph channel required to yield the standard composite data level.
For example, for a composite data level of -13 dBm at 0-dBm transmission level point (0TLP), the STL would be approximately -25 dBm for a 16-channel VFCT terminal computed from STL = - (13+10log10 n ), where n is the number of telegraph channels and the STL is in dBm.
References
This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22. (in support of MIL-STD-188).
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