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RADAR
(@dougie)
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GIF

 
Posted : June 29, 2023 6:41 pm
trimbleman
(@trimbleman)
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Not much of a northing shift a few feet but easting were around 28' here. 13,000,000 for a easting makes a huge difference when there's a few more decimal places.


 
Posted : June 29, 2023 6:57 pm
OleManRiver
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@trimbleman  yeah here north 3million east11million. South zone. The state south of me totals about 4 to 6ft. All around. That scares me more than the 25 ish feet. Because harder to see at a glance with imagery in background. I can see it very easily when its 25 ft.


 
Posted : June 29, 2023 7:05 pm
ashton
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Since we went to a foot, why didnt we just go to meters. I know why carpenters dont, but all our software and equipment is in meters and is converted to feet. So...

Since I don't have access to the software that controls equipment such as total stations, recreation-grade GPS, or ESRI products, I don't know if they really use meters as their main unit of measure and convert to something else for display. For all I know there could be some proprietary unit used until just before the result is displayed.

 


 
Posted : June 30, 2023 5:04 am
jph
 jph
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Since we went to a foot, why didnt we just go to meters. I know why carpenters dont, but all our software and equipment is in meters and is converted to feet. So...

I agree.  Don't know why we didn't all switch way back during the Carter Admin, when there was a big push, and we had those workbooks in school.

At this point in my life, though, I don't welcome it


 
Posted : June 30, 2023 6:45 am

jitterboogie
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Switching from US to international feet

Welcome to the 0.3048 club.

 

...exactly!

 

 


 
Posted : June 30, 2023 6:56 am
MightyMoe
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It's gonna be fun, the NGS will continue to publish in USfeet,,,,,,,,soooooo guess what users will put into the black boxes. 


 
Posted : June 30, 2023 6:59 am
RADAR
(@dougie)
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@dmyhill 

The only people that still use inches are carpenters and Hookers


GIF

 
Posted : June 30, 2023 7:11 am
rover83
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Since I don't have access to the software that controls equipment such as total stations, recreation-grade GPS, or ESRI products, I don't know if they really use meters as their main unit of measure and convert to something else for display.

There may be some software packages that are the odd ones out, but in my experience all the industry standards use meters natively.

PNT satellites are positioned using SI units (ECEF meters), and consequently the signals broadcast by each SV are in SI units. The circuit boards of EDMs on total stations use SI units natively, because that's the international standard for the scientific community.

Computations are way easier if everything under the hood is done with the same units that are incoming to the software package, and then simply converted for display. It's also a lot faster and a lot less prone to error.


 
Posted : June 30, 2023 7:15 am
rover83
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It's gonna be fun, the NGS will continue to publish in USfeet,,,,,,,,soooooo guess what users will put into the black boxes. 

Unless something has changed, they're only publishing USFt until the new datums drop, and they've always published them in the units appropriate for the state in which the station is located...and they've always put the SPCS feet values way down on the datasheets.

I cannot remember ever inputting the SPCS feet values from an NGS datasheet. They have the geodetic values right there at the top.

OPUS reports in meters too. (Is has been a while since I have run a solution myself, did that change recently?)


 
Posted : June 30, 2023 7:41 am

MightyMoe
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@rover83 

Datasheets are in USft still. Went back and looked and the last OPUS I did had no feet anywhere. 

I'm like you, I don't pay attention to the XY on a Datasheet or OPUS report, I only use the LAT, Long values. 


 
Posted : June 30, 2023 8:08 am
rover83
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Datasheets are in USft still.

Depends on the state.

When I pull a DS for WA, I get sFt, but when I pull one for OR, I get iFt.

I know there are a few states where the unit is not explicitly defined by statute, but that's a state problem, not an NGS problem.


 
Posted : June 30, 2023 8:33 am
OleManRiver
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@dougie and plumbers. And all those me. Sayin this is 8” inches LOL


 
Posted : June 30, 2023 8:57 am
MightyMoe
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@rover83 

My comment was specific to Wyo, I assume NGS publishes DS values aligned with each state. 

They aren't changing in 2023 for NAD83 numbers. So far. 

 


 
Posted : June 30, 2023 9:24 am
scottb
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Montana Codes Annotated, 7-22-203(2) calls for international foot (1 ft=0.3048M) for NAD83. (1) of same chapter says for survey for foot for 27 conversions.


 
Posted : June 30, 2023 9:26 am

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