47 C.F.R. § 80.351 Scope.
Title 47 - Telecommunication
The following sections describe the carrier frequencies and general uses of radiotelegraphy with respect to the following:
—Distress, urgency, safety, call and reply. —Working. —Digital selective calling (DSC). —Narrow-band direct-printing (NB-DP). —Facsimile.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart H—Frequencies
Radiotelegraphy
§ 80.351 Scope.