[IGSSTATION-6604] WTZR Upgrade of the firrmware from 3.22/6.521 to 3.22/6.522 in the Leica GR25

Rudolf Stöger stoeger at fs.wettzell.de
Fri Apr 8 05:55:23 PDT 2016


Ladies and Gentlemen

The reason is known, why we had problems with the Leica GR 25.

Leica wrote: "If a GR10/25 receiver with ME FW <= 6.521,
e.g. 6.521 is configured to track all satellite systems, the receiver 
might experience complete total loss of lock, leading to a lost
position and will not recover automatically."

On instructions received from Leica, we stopped GLONASS observations
temporary DOY 076.

Yesterday my colleague Uwe Hessels upgraded the firmware from
3.22/6.521 to 3.22/6.522 in the Leica GR25 in the WTZR GNSS
Permanent Tracking Station in the Geodetical Observatory
Wettzell, 2016-04-07T1510Z.

Satellite System: GPS+GLO+GAL+BDS+SBAS.


With best regards
Rudi







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