With a one second instrument and a lot of work you can get close to the accuracy of a recreational gps.One second of latitude is about a hundred feet ...

My GTS-2B likes the Hillman brand white or red reflective tape and their red reflector driveway markers. Some other brands work but give less range. ...

You've measured the client's lot. How does it measure from the possibly disturbed pin to the next lot corner beyond?

Tommy Young, post: 374349, member: 703 wrote: would be like calling the mechanic and asking how much it would cost to fix their car without telling wh...

mkennedy, post: 374290, member: 7183 wrote: Iowa (Not sure if this covers the entire state) Yes it does, using 14 zones.

I was at the Canyon last week. Guess I should have waited for them to move it to Arkansas, as that would have been a shorter trip. We were on a packa...

Nate The Surveyor, post: 373273, member: 291 wrote: Have to be sure GPS penetrates that fabric when wet.... If something would get hot in a microwave...

The second is WRONG. If N and E rms are equal and uncorrelated the radial rms is that same number. If unequal or correlated you get an ellipse whose...

gschrock, post: 372327, member: 556 wrote: Added another bubble up as high as I could see If the pole is straight, then the bubble should read the s...

If the pole is straight and you can hold an 8 minute bubble to say 4 minutes, then at 15 feet you may be off 0.02, which isn't bad. But you'd better ...

Drewsph Vagabond, post: 372296, member: 11540 wrote: its the people who don't admit to being weird that you have to worry about :good:

Apparently not all distribution channels are equal. As of 1615 UTC Saturday I still find this one lists Ultra18 for WednesdayEdit: Jim said it while ...

For desk work, I have a white vinyl block eraser. If you make a lot of mistakes when writing away from the desk, it is handy to buy one of those eras...

Williwaw, post: 372158, member: 7066 wrote: it is nearly impossible to reach the correct conclusion to the validity of evidence in the field without t...

Andy Nold, post: 372105, member: 7 wrote: The cardinal directions are labeled N, E, S & O I would have guessed that to be common in areas with Sp...

JOHN NOLTON, post: 372084, member: 225 wrote: If you have measured the distances from your unknown point(N4329.593,E9489.017; your calculations) to bo...

It looks like there isn't a lot of change within a few miles of your place mark. An ADJUSTED line runs about 5 miles north so I think the VERTCON sho...

You have one more measurement than is needed to solve the problem, but there is significant discrepancy between your given values, so the answer will ...