[time-nuts] Pseudorange and carrier phase data in L1 only RINEX

Petr Titěra petr at titera.eu
Wed Jul 4 10:09:46 EDT 2018

On 04.07.2018 8:55, Mark Sims wrote:
> The main reason is to reduce the file size.  RINEX files can be rather long...  depending upon what the receiver reports and the satellite systems in use, a 24 hour long 1 Hz file can be over 40 MB.   BTW,  you can .zip the file for uploading.
> CSRS-PPP is the only online service that I have found that does L1 only data.
> For the Trimble receivers, I generate pseudorange data from their code phase data message (quite a pain to calculate... you have to calculate the range from the ephemeris data).   Trimble does not output any carrier phase data.  For the other receivers I output whatever they output...

Is it really such pain? Or is your latitude, satellite elevation, its 
major axis length and Eath radius enough to construct triangle to 
compute whole multiples of C/A code repeats?

Petr Titera

> -------------
>>   Could another service be of assistance?
>> Why do you reduce report-rate?
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