No, not to rocks. These were set flush in sidewalks. Now that you mention it, they could've been just caps glued in place. Guess they wouldn't be a tr...

My family and I just returned from vacationing in Estes Park. Beautiful mountains, fresh air, and mellow people! I noticed a number of IRCs set by Van...

Thanks for the excellent explanation! I took the list of L-Net reference stations and indicated the distances from Orlando. According to some docum...

I found an excellent post concerning how to calculate a weighted mean atPosted by RADAR on September 23, 2016.

This is the VRS network we use. I'm trying to learn a bunch of GPS terminology. I have 2 choices for mount points: 1. Network RTK (MRS) 2. "SBL" Singl...

Thanks!

I'm in the suburbs. No room for resection. Thanks for replying!

We're using a VRS network. After 3 sessions on each point, I can see outliers on 2 points. Those particular points are not open 100% to the sky. I bel...

Thanks for clarifying that!

Unfortunately we only use RTK. I always watch the H & V residuals. After 20 or 30 seconds they don't tighten up significantly. Your proposed metho...

Thanks for sharing your thoughts!

You're right! A couple of hundredths horizontally isn't going to make a difference. I'm more concerned about vertical control. In any case, I once rea...

Thanks!

Thanks!

Thanks!

The glass is always half full. - Unknown author

We set 5 control points spaced 500 to 700 feet apart. My party chief has no plans to traverse through them. We will run through them with a level.

2. I don't know how the weights are determined. The only thing I know of the quality of each session is the PDOP, H residuals, and V residuals.