Accession Number : AD0764716

Title :   Techniques of Time Transfer via Satellites.

Descriptive Note : Physical sciences research papers,

Corporate Author : AIR FORCE CAMBRIDGE RESEARCH LABS L G HANSCOM FIELD MASS

Personal Author(s) : Herring,John C.

Report Date : 16 FEB 1973

Pagination or Media Count : 23

Abstract : The distribution of precision-time and time-interval (PTTI) information has been accomplished in the past by various methods. The most accurate method has been the transportation of a cesium frequency standard to the required location and return. In many instances transporting a cesium standard is too expensive for the accuracy of the transfer of PTTI required. Transfer of time via satellite transponders is not new. What is new is the method of computing delay corrections. The technique of a passive one-way timing technique with field correction for atmospheric delay is discussed. (Author)

Descriptors :   (*TIME SIGNALS, RADIO RELAY SYSTEMS), SYNCHRONOUS SATELLITES, ULTRAHIGH FREQUENCY, RADIO TRANSMISSION, CORRECTIONS

Subject Categories : Test Facilities, Equipment and Methods
      Radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE