Federal Communications Commission
Washington DC June 24, 1975
Mr. Bob Sutherland
EIMAC
301 Industrial Way
San Carlos, CA 94070
Dear Mr. Sutherland:
We have determined your request to operate your Amateur station with a peak power output of up to 2500 watts for the purposes of experimentation with earth-moon-earth (EME) communications to be within the basis and purpose of the Amateur Radio Service. We also agree that a waiver of the power rule is justified for your EME experiments, since the signal loss to the moon is great and it is difficult to construct an antenna with enough gain to adequately overcome these losses. For these reasons we hereby waive Section 97.67(a) of the Commission's Rules to permit operation of station W6PO subject to the following conditions:
(1) An accurate log of station operation must be generated and maintained with your station records. The log must include the dates and times of each transmission, call signs of contacts, types of emission used, and frequency of operation.
(2) Reports detailing the operation, an analysis of the results, and a sampling of the station logs must be submitted to the Amateur and Citizens Division every 90 days during the term of this authorization.
(3) This waiver applies only to EME experiments and communications, and is not applicable to non-EME transmissions.
(4) The maximum peak output power authorized by this waiver is 2500 watts in CW and SSB modes.
(5) This waiver expires January 1, 1976 and may be revoked by the Commission at any time.
Sincerely yours,
Charles A. Higginbotham
Chief, Safety and Special Radio Services Bureau
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