Buy ephemeris data of satellite

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NinhTH

Member
My Satellite Setup
Satellite
My Location
Viet Nam
Hello everyone,
I am using Geolocation system to locate a transmitter in satellite system. As you know, the system will use ephemeris data of two satellite. I am using this data from Norad for free. Now I want to use commercial data to increase accuracy of location. Do you know who is provider the ephemeris data? Thank you so much
 
NinhTH said:
Hello everyone,
I am using Geolocation system to locate a transmitter in satellite system. As you know, the system will use ephemeris data of two satellite. I am using this data from Norad for free. Now I want to use commercial data to increase accuracy of location. Do you know who is provider the ephemeris data? Thank you so much
Click to expand...
Google is always the answer.
It seems JPL, Jet Propulsion Laboratory produces the data
There is also this
 
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