Support ForumsGeoAstra RTK GNSS Receivers: GeoAstra RTU609BT Heading RTK GNSS ReceiverWhat do the RTU609BT two LED ligh …

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What do the RTU609BT two LED lights indicate?

GeoAstra Official@jack

25 Posts

#1 · March 25, 2026, 10:04 pm

For RTK GNSS, there are five positioning levels:

Invalid → Single → DGPS → RTK Float → RTK Fixed.

For the GeoAstra RTU608BT:

The green LED turns on when the GNSS receiver achieves Single fix level or higher.
The blue LED turns on when the GNSS receiver reaches RTK Fixed status.

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▼RTK Rover (1)
- Setting Up a Free NTRIP client with RTKLib’s STRSVR 08/26
►RTK Software (3)
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