PRECISION TIME AND FREQUENCY APPLICATIONS IN THE TRANSIT AND ANNA SATELLITE PROGRAM,
Abstract
The advent of earth satellites and the advances in frequency and time control in the past decade have opened new fields in global navigation. The Transit program is an application of these achievements. For a navigator to determine his position by the system, doppler data, orbit data, and accurate time are required. These elements are provided by carrying a precision UT-2 clock and a radio commanded memory in the polar or biting satellite. As a consequency, world wide time synchronization is an important concept of the program. The ANNA program is a research ac tivity for improving knowledge of the earth geodesy and for comparing several precision orbit determining techniques. The general features of each system will be briefly described and the time-frequency synchronization problems dis cussed. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 14, 1962
- Accession Number
- AD0416596
Entities
People
- L. J. Rueger
Organizations
- Johns Hopkins University Applied Physics Laboratory