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Test and Assessment Research Center (TARC) of China Satellite Navigation Office is the GLONASS user feedback channel authorized by Roscosmos. If you have any questions about the Russian GLONASS system, you can give feedback through the BDS's question feedback channel. We will promptly communicate with Roscosmos and answer your questions.
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01 Users
* Full Name

* Email

* Tel
02 Faults
Select timezone
Interrupt start time

Interrupt end time
Interrupt continuity

Fault Location

Installation type
Receiver frequency

User equipment
Antenna elevation
03 Details
* Service performance

* Problem Description

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