I skipped to the end of the book. I never was much for reading thick books. I only have two questions:1. In the case of the line that measured 99.5' i...

I agree. I don't think a splitter is appropriate for this sort of test. I would think this would be a system test, not just a receiver test. After all...

So, six high precision Chinese receivers go to a bar and...

I've tested a lot of receivers within a foot of each other. I've never seen any issues from interference.A traffic control cabinet I'm sure is produci...

I'm not in a huge rush just yet. From the article linked above:Not all are fully operational but Galileo‰Ûªs owner, the European Commission, said the ...

My experience with high precision L-Band corrections is getting a bit dated, but it seems like the rules for getting sub-decimeter performance were si...

To be clear. I never reviewed a Spectra Robot. When I did my reviews, I'd try to go to a busy parking lot (such as Wal-Mart or a large grocery store) ...

Mark Mayer, post: 400023, member: 424 wrote: My Topcon PS - a new model - will pick up the reflection of the prism in a window from time to time.I cou...

I tested a few passive robots in the past few years and I found that they do not track anything but the prism. I'm surprised that the Focus does. Mayb...

Is it using HTDP or 14 parameter only? OPUS uses HTDP. Probably not substantial over much of CONUS, but a difference nonetheless. Particularly with su...

Mark Silver, post: 396026, member: 1087 wrote: But back to performance, it is really-really-really hard to compare GNSS performance for top of the lin...

I'm not at all convinced that the future of GNSS is going to be in DIY $1500 systems. At least not within the next decade. I'm not suggesting that suc...

When I started my company, I was ready to go LLC, but after talking with my accountant she explained that there were no real protections for me (as Ji...

GeeOddMike, post: 398401, member: 677 wrote: Of course, you do use an umbrella to shade your instrument...I don't even use an instrument very much a...

As others mentioned, I'd be curious how accurate the temperature reading would be if the instrument is sitting in the sun for very long. My android sm...

Jerry Shearon at Hayes has always been a class act.

As if the field work were the most time consuming part of an ALTA/NSPS Land Title Survey.It's quite possible (though not typically likely) to do the f...

Kris Morgan, post: 398030, member: 29 wrote: The ONLY thing I don't like about them is the vertical fine motion is on the left side and not the right ...

Jim Frame, post: 397791, member: 10 wrote: That's what this site is for! (And Facebook, too.)You are exactly right, Jim. It's definitely therapeutic!