@john-putnam I just tried that out. It is not working again. It gives me the same error. Believe me, Infinity is the worst commercial software.

Hey,?ÿ Yes I had 3 points fully constrained. I changed the software to TBC then it worked perfectly with an amazing results. I reckon Leica is not go...

Please some one help me.?ÿ How do you guys post process your GPS baselines? Can you solve my problem with Leica infinity?