Current Activities of the National Standard Time and Frequency Laboratory of the Telecommunication Laboratories, CHT Telecom Co., Ltd., Taiwan
Abstract
The National Standard Time and Frequency Laboratory of the Telecommunication Laboratories, CHT Telecom Co., Ltd., as the national laboratory for time and frequency metrology in Taiwan, is responsible for the maintenance and dissemination of the national time and frequency standards, and the development of telecommunication synchronization techniques. This report covers the four most important activities in the Time and Frequency area undertaken in Taiwan - Clocks and time scales Eight HP 5071A high- performance cesium clocks Two active H-masers CH1-75 (tuned) A new national time scale generator of UTC (TL) is under development - Time transfer GPS and Glonass code and carrier-phase observations Two-way Satellite Time and Frequency Transfer Time transfer using optical fiber - Dissemination High-frequency Broadcasting Service Speaking Clock Service Computer Time Service (TCTS) system in Taiwan NTP Service - Other research activities Frequency synchronization using GPS carrier phase Network synchronization A phase-noise measurement system.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 2002
- Accession Number
- ADA485186
Entities
People
- C. S. Liao
- P. C. Chang
- S. S. Chen