What you see: the login works and the mount point is right, but the status stays at SingleNo corrections at all. Your position could be off by several meters.Full definition with no corrections.
Why it happens
A VRS (virtual reference station) is a pretend base the network builds right next to you. To build it, the network needs to know where you are. Your RoverThe receiver that moves around the job, like a survey pole or a drone. It uses the base's corrections to find its exact spot.Full definition tells it by sending a short location message called NMEAA common text format GPS receivers use to report position and status. GGA is one NMEA message.Full definition GGA. If GGA is off, the network doesn't know where to put the virtual base, so it sends nothing. Emlid's docs say you need to enable sending your position in NMEA format when using a VRS.
Fix it
- Find the setting. It's usually a checkbox like "Send NMEA GGA" or "Send position to CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.Full definition" on the NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.Full definition screen.
- Turn it on.
- Make sure the rover already has a normal (SINGLE) position before it connects. It can't send a location it doesn't have yet.
- Reconnect and wait 10 to 30 seconds.