Good to know. I am just starting a similar project where there is a spiral, but so far I don't even have enough curve data to reproduce the C/L. I jus...

Pittsburgh isn't the sunniest place either, but probably not as bad as the PAC NW.

Transit of Venus and determination of longitudeI am in Houston airport, en route to Ecuador. Unfortunately I am returning on 6/4, too early to see it ...

well, for one thing Survey Controller (Trimble) has it built in. I imagine others do as well. But, because I messed up on a job recently, and took 100...

Hmmm...no one mentioned a dual prism rod, which is quite accurate. You can place the tip of the rod wherever you want-at ground level if needed, or ho...

From the T3 manual:"Reading the vertical circle is slightly different, because due to its smaller diameter it contains only half the number of graduat...

Yes, Dave, that is correct. And, to the post after this, it is not a convergence. It is caused by the fact that the direction of "up" from gravity is ...

Well, the program I created to read all the info into a searchable database no longer works, I will need to change the program since the positions and...

Solved!Mike Potterfield emailed me and said he wasn't seeing the multiple sheets. So, after he looked at mine, he pointed out that the difference was ...

Yea, could have been HCE. Not sure what the differences are. I did receive an email from the facebook/TBC person that he was going to look into the pr...

I agree, Loyal. Their error messages could be much more informative. I think it would make their life easier as well, since people wouldn't be bugging...

I think they meant 2.7 was in Beta. I have been using 2.6 for a while, and it was not a beta. One little tip for those installing for the first time. ...