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Why would broadcast ephemeris have slightly higher precision than mixed?

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(@jay_81)
Posts: 6
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Topic starter
 

I have used TBC to process baselines under 3 km in distance.

Does anyone know as to why a broadcast ephemeris produces slighty higher precision (vertical by 0.001 m) on 3 baselines when compared to using mixed (GPS and GLONASS using precise ephemerides and all other satellites using broadcast)?

 
Posted : January 4, 2018 2:52 pm
(@matt8200)
Posts: 122
Customer
 

GLONASS precise ephemerides are known to be problematic and unreliable.?ÿ

 
Posted : January 4, 2018 4:23 pm