Getting wonky elevation readings, even after post-processing

[TB_RTK]

Reach is showing you Ellipsoid height. If postprocessing you can apply a simple geoid model, but it can still be of.
Its been asked before here

Height value

Hi, I am a newbie, but after one week of reading i got very good and stable values with reachview beta. I bought your starting set. I always get a fix for the rover and it works really nice with high accurency. Here is my Setup and my problem. Base(reach with reachview beta): Single w fix&hold. All gnss on. No glossnass AR. All 5hz. Good skyview. Most of the time 7 sats green. Rover(reach with reachview beta): Kinematic w fix&hold. TCP client to base. 5hz I always get a fix after a few min…