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field-dog
field-dog
@field-dog
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Joined: October 11, 2014 9:50 am
Last seen: June 3, 2026 12:06 pm
Topics: 261 / Replies: 1282
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RE: Grid & Ground

In a situation where the TS ground distance didn't match the GPS grid distance, one assumes that all equipment had been properly calibrated, and the r...

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

I looked in the raw data file and the scale factor was 1.00000000. I have to investigate that further.

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

I agree. Also, if you decide to reverse your setup it gets even messier.

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@mightymoe Please remind me how the 50 PPM is derived.

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@norman-oklahoma Interesting. Thanks.

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@olemanriver I just learned that the scale factor is viewable by selecting the edit button next to projection. It is 0.999941176471. I had previousl...

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@olemanriver Thanks for the real-world example. We’re using Carlson SurvPC with NRTK. In Job Settings (System) the projection is NAD83 (2011)/Flori...

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@olemanriver Right now, we're using RTK to recover and locate as many of the 60 calculated property corners as possible. We're not only recovering ...

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@bstrand Not sure of the typical difference between grid and ground in my area. We’re working at 28.5831367°, -081.2134467° lat, lon...

1 year ago
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RE: False Point to Compensate for Distance Discrepancy

@bstrand I don’t know what the boss will accept as being within tolerance. Recently we differ by 0.06’ - 0.07’. The boss is concerned about any dif...

1 year ago
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RE: Boundary Survey research procedure

@gary_g Fences, yes, but tree lines and hedges? I had to look up planimetric data. I've read about planimeters but never used one. I know in certai...

1 year ago
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RE: Boundary Survey research procedure

I survey in Florida, which is not a recording state. Our senior office surveyor showed me the permitting section of our county’s property appraiser’s ...

1 year ago
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RE: Preferred Plat Font

Thanks to everyone who responded.

1 year ago
Topic
Replies: 32
Views: 4260
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RE: Tie Pin Wanted

Thanks to all for the recommendations. Due to the time constraint, I settled on a khaki tie and an American flag tie clip. I’ll be the GQ survey tech ...

1 year ago
Topic
1 year ago
Replies: 9
Views: 1970
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RE: Tranportation of Wild T16 Theodolitd

Do you have the old model or the new model?

1 year ago
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RE: Tranportation of Wild T16 Theodolitd

@chris-bouffard I used the T16 in the late 80s. I don't agree with you about tightening the clamps for transportation of the theodolite. I tried to ...

1 year ago
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