[FOSS-GPS] GPS orbits computations

[Eugenio Realini]

Hi Antonio,

that's right. The closer epoch t is to TOE, the better that specific
ephemeris set is able to describe the satellite orbit.
As far as I understand, at least :)

Eugenio


2012/10/3 António Pestana <afsm.pestana at gmail.com>

> Hi Eugenio
>
> Thanks. If I understand you correctly, it doesn't matter if TOE is before
> or after the epoch t. Am I right?
>
> Regards
>
> Antonio
>
>
> 2012/10/3 Eugenio Realini <eugenio.realini at gmail.com>
>
>> Hi Antonio,
>>
>> you should use the closest set in time available with respect to epoch
>> t. You can use the TOE (Time Of Ephemeris) for doing that.
>>
>> Cheers,
>> Eugenio
>>
>>
>> 2012/10/1 António Pestana <afsm.pestana at gmail.com>:
>> > I want to to compute the instantaneous position (GPS84) of a GPS
>> satellite
>> > at a given epoch t (GPS time) using broadcast navigation data. I'm using
>> > RINEX 2.10 nav files. Often I have multiple ephemerides available for
>> the
>> > same satellite. Which one should I use?
>> >
>> > Regards
>> >
>> > Antonio
>> >
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