47 C.F.R. § 23.41 Quarterly report of frequency usage.
Title 47 - Telecommunication
(a) Transmitted frequencies. Each licensee in the international fixed radio-communication services shall submit a report of frequency usage for all authorized frequencies below 30 MHz for each station. If more than one station is operated from a common control point, reports for the stations may be combined into one. This report shall be due 40 days after the close of each calendar quarter and shall contain the following information: Each frequency assigned to the station or stations and the number of hours it was used during the quarter to each point of communication for each class of service rendered (such as telegraph, telephone, program, or radiophoto), the types of emission normally used to each point of communication, and the total hours each frequency was used. (b) Received frequency report. Upon specific request by the Commission, licensees in the international fixed public radiocommunication services shall furnish promptly the following information regarding frequencies received from all points of communication: All frequencies received, including call signs, location of transmitting station, type and bandwidth of emission normally employed, point of reception, and a symbol from the following table indicating the amount of usage of the particular received frequency. The following criteria shall be used to determine whether or not a frequency shall be reported as received: (1) Report all frequencies regularly used during the period under consideration. (2) Report frequencies received consistently during a substantial part of any cyclical change in frequency usefulness even though they may be unused for considerable periods of time during another part of the cycle. (3) Do not report any frequency, the use of which is known to have been discontinued or transferred to another operation by a foreign correspondent. (4) Do not report any frequency which has been inactive for a period of 6 months or longer, except as indicated in paragraph (b)(2) of this section. [38 FR 22480, Aug. 21, 1973]
Title 47: Telecommunication
PART 23—INTERNATIONAL FIXED PUBLIC RADIOCOMMUNICATION SERVICES
Fixed Public Services
§ 23.41 Quarterly report of frequency usage.
------------------------------------------------------------------------ Symbol Usage------------------------------------------------------------------------D................................ Daily regular use during business days.O................................ Occasional use; not used daily, but offered frequently when required by propagation or operational conditions.S................................ Seldom received; where records indicate light use during the past year.L................................ Limited use; limited by solar activity to a part of the solar cycle or to a part of each year.------------------------------------------------------------------------
