When I did FDOT projects in the 90s our EFB software demanded a calibration check before we began collecting at the beginning of each day. I believe t...

@gary_g OK. Will try again later.

@gary_g The attached file isn't of a type recognized by my iPhone 13 or by my Windows 10 computer. Could you send a CSV, in PNEZD format, file? Than...

This transformation translates and rotates about pt. 2 so that the azimuth of 2-6 and 543-531 are the same. I translated and rotated about point 54...

@gary_g Will check when I break for lunch. I really appreciate your help with this.

@gary_g My input and results were different. 543 10135.967 9994.205 0.000 COGO 2 1588771.875 474344.034 0.000 CM_4X4Calculated Points 543(COGO) to ...

@mightymoe I calculated 57 points on an assumed coordinate system using N = 10,000 and E = 10,000 as the first point. I collected 24 points (propert...

@gary_g Thanks for the help. Will look it over tomorrow. It's time for a family game of Scrabble. Did you know that qua and qi are legitimate Scrabb...

ok so grid state plane coords are just plane coordinates simple math. Thanks for clarifying that. If I understand you correctly, I would use a conv...

I believe they stated at FIG that a alpha version would be released. I wanted to attend some of the classes at FIG, but it was too expensive. Were ...

@dave-o I was able to download the file on my home computer. Thanks.

Use the measured grid bearing for the basis of the survey and note the record bearing per the CCR published positions. Thanks for this. It’s like g...

What kind of surveys does your company perform?

Here's an excerpt from a manual I studied for the PS on geodetic calcs with answers. I signed into Microsoft OneDrive, but 99% of the text is missi...

Are you wanting a grid inverse from the spc ? I'm still trying to get all my SPC and geodetic nomenclature straight. I guess if you're comparing wh...

Anything less than 3" is spending money with no appreciable benefit. Concerning spending money, we have to justify any equipment that we want to pu...