No audio available for this content. GPS World contributing editor Eric Gakstatter gave a talk on predicted ephemeris at the Civil GPS Service Interface Committee (CGSIC) on Tuesday. The talk was ...

No audio available for this content. Most of you will know that during summertime I can usually be found in Calgary, Alberta — the “GPS Capital of Canada.” I usually try to pick up on developments in ...

Space Station trajectory data is now available to the public! This data, called an ephemeris, is generated by the ISS Trajectory Operations and Planning Officer (TOPO) flight controllers in the ...

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The English version of ephemeris will help people understand the various seasons, eclipses and how planetary movements affect humans, astrologer S K Jain said here on Monday evening. BENGALURU:The ...

Suparna Lahiri's grandfather compiled the first Indian ephemeris. Photo: Tonoya Sen/Mint Many years ago, on a trip to Mumbai to meet my father, we were talking about a forthcoming solar eclipse and ...