Abstract NavIC (Navigation with Indian Constellation) is a regional satellite navigation
system called Indian Regional Navigation Satellite System (IRNSS). The NavIC is presently …

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 …

Global navigation satellite constellations such as the European Galileo, Russian GLONASS,
and the USA Global Positioning Systems (GPS) employ atomic frequency standards for …

Wuhan Institute of Physics and Mathematics (WIPM) has been developing the space
rubidium atomic frequency standard (RAFS) for BeiDou navigation satellite system since the …

A major part of satellite based navigation systems is the atomic frequency standard (AFS).
The first satellite navigation was realized in the 1960's, with the US Navy's Navigation …

The frequency stability of a rubidium atomic frequency standard (RAFS) depends mainly on
the signal to noise ratio (SNR) of atomic discrimination signal provided by the physics …

ABSTRACT The Navstar Global Positioning System is a multiservice navigation system with
the Joint Program Office at SAYSO. This system utilizes a passive navigation system (one …

The overall performance of navigation payloads is dependent on the performance of the
onboard clocks. Better stability leads directly to improved space segment autonomy and …

A major part of satellite based navigation systems is the atomic frequency standard (AFS).
The first satellite navigation was realized in the 1960's, with the US Navy's navigation …

EG&G, Inc. has been selected to provide the Rubidium Atomic Frequency Standards (RAFS)
for the GPS Block IIR NAVSTAR satellites. These satellites will replenish and upgrade the …