Proceedings ArticleDOI
Indian Rubidium Atomic Frequency Standard (iRAFS) Development for Satellite Navigation
Thejesh N. Bandi,Jaydeep Kaintura,Azhar R. Saiyed,Bikash Ghosal,Pratik Jain,Richa U. Sharma,Priyanka Priya,Keya Shukla,Sarathi Mandal,Niranjan Reddy,Ashish Soni,Sandip Somani,A. I. Patel,Deepak Attri,Deepak Mishra,T. V. S. Ram,K. S. Parikh +16 more
TLDR
The RAFS for Navigation with Indian Constellation is indigenously designing and developing the Rubidium Atomic Frequency Standards (RAFS), a suitable candidate for portable and onboard navigation payload applications such as Global Navigation Satellite Systems (GNSS).Abstract:
Navigation is an indispensable part of everyday human life. In recent times, satellite based navigation system has proven to be indispensable in various navigation and scientific applications [1]. The backbone of satellite based navigation systems is very precise and highly stable atomic clocks. Satellite-based and ground-based clocks formulate the complete operability of a navigation system. The satellite-based clocks fall under the category of portable and space qualified atomic frequency standards. For the applications that demand to address the issues of performance, portability, reliability, cost, weight, volume and power consumption, the Rubidium Atomic Frequency Standards (RAFS) are advantageous over other kinds of clocks [2, 3]. These characteristics makes it is a suitable candidate for portable and onboard navigation payload applications such as Global Navigation Satellite Systems (GNSS). At the Space Applications Centre, we are indigenously designing and developing the RAFS for Navigation with Indian Constellation (NavIC) [previously known as Indian Regional Navigation Satellite System (IRNSS)].read more
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Journal ArticleDOI
GNSS-grade Space Atomic Frequency Standards: Current Status and Ongoing Developments
TL;DR: An overview on the current state of Global Navigation Satellite Systems-grade or better space atomic frequency standards’ (SAFS) technologies and their applications is presented and a variety of ongoing developments are reviewed.