47 C.F.R. § 97.217 Telemetry.
Title 47 - Telecommunication
Telemetry transmitted by an amateur station on or within 50 km of the Earth's surface is not considered to be codes or ciphers intended to obscure the meaning of communications. [56 FR 56172, Nov. 1, 1991. Redesignated at 59 FR 18975, Apr. 21, 1994]
Title 47: Telecommunication
PART 97—AMATEUR RADIO SERVICE
Subpart C—Special Operations
§ 97.217 Telemetry.