avoidthelloyd
Active Member
We need a DPOS section in this forum. I have a 2+ year old mountain subdivision project that I have on going. I have built this project from the 'hybrid rtk' method over the years as my poor radio performance required 3 base positions. I always DPOS my Bases and points associated as soon as my first day of work is done.
Now it is 2+ years later, I have one base from 2020, one from early 2021 and a new one in late 2021. I periodically tie into these to maintain positional integrity. What is a normal tolerance for your check shot when you tie jobs together?
Today, I set up on the newest base and tied some pins I set from another base 2 years ago and they are 0.25' different. I ran DPOS again on this base (about a year later) and got a 0.09' positional difference.
What do you consider 'good enough'. I think I'm well within my states minimum standards for this very rough rural terrain, but still.
What factors are playing into this variance? I do check my bubble regularly! Thanks.
Now it is 2+ years later, I have one base from 2020, one from early 2021 and a new one in late 2021. I periodically tie into these to maintain positional integrity. What is a normal tolerance for your check shot when you tie jobs together?
Today, I set up on the newest base and tied some pins I set from another base 2 years ago and they are 0.25' different. I ran DPOS again on this base (about a year later) and got a 0.09' positional difference.
What do you consider 'good enough'. I think I'm well within my states minimum standards for this very rough rural terrain, but still.
What factors are playing into this variance? I do check my bubble regularly! Thanks.