Javad charges an extra us$1500 for "GLONASS .2mm Dynamic Calibration" of its triple-frequency timing receiver board: http://www.javad.com:80/jgnss/products/options/gclb.html
https://www.javad.com/dynamic/Shop/Product/3268 (the TRE-3 appears to be the only triple-frequency part with the "Precise Timing" option available (costs about $15k with all systems enabled) Magnus Danielson wrote: >Hi, > >A complicating factor with GLONASS is the frequency separation of the >satellites which causes several aspects of calibration issues. > >I know they have changed operational aspects which have reduced >uncertainty significantly. This is also something that have been worked >at with the GPS system continuously. > >It's a bowl of mixed issues. > >However, the more systems and the more bands we use, the better we get >at finding discrepancies and mitigate them. The "all" system and >frequencies is however still very expensive. > >Cheers, >Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
