[Code of Federal Regulations] [Title 47, Volume 1] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR5.121] [Page 633] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION PART 5--EXPERIMENTAL RADIO SERVICE (OTHER THAN BROADCAST)--Table of Contents Subpart C-- Technical Standards and Operating Requirements Sec. 5.121 Retention of station records. Records required to be kept by this part shall be retained for a period of at least one year.