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shelby-h-griggs-pls
shelby-h-griggs-pls
@shelby-h-griggs-pls
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Joined: July 8, 2010 11:49 am
Last seen: May 7, 2026 10:55 pm
Topics: 67 / Replies: 867
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RE: Problem Source: Carlson, GeoMax or Me?

Can't answer your question, but I quit mixing and matching instruments, data collectors and software about 1990, only one supplier to point the finger...

7 years ago
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RE: Satellite Availability

@mitchptd with GPS only there is quite a bit of 6 SV time and even drops to 5 SV's around 1500 PDT add in GLONASS and I don't see anything less than 1...

7 years ago
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RE: Choosing 'best' coordinates of base station based on multiple days of surveying

FYI, I use the online version of the Columbus LSA software to adjust and evaluate OPUS solutions, it will directly read the available XML files from O...

7 years ago
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RE: UNAVCO Real time stations

@gschrock great summary. Agree, can't complain too much for a 'free" resource, but I do find relying on PBO Stations is always a crap shoot. They are ...

7 years ago
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RE: NGS Coordinate Conversion and Transformation Tool (NCAT)

@gene-kooper thanks for your input, sorry for the late feedback, basically sent the coordinates off and then went camping! The tool works, or works go...

7 years ago
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RE: NGS Coordinate Conversion and Transformation Tool (NCAT)

Thanks guys, well after looking at this some more and pondering it for another 24 hours, I am going to deliver the CORS based survey and translated by...

7 years ago
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RE: NGS Coordinate Conversion and Transformation Tool (NCAT)

I still don't know what the accuracy values are based on or really mean, but I ran nice points through the NCAT software and compared to the 1995 reco...

7 years ago
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RE: New truck blues

Well mostly true, I did have to do a head gasket last year, set me back about $3600, but only about 3-4 months payment on a new one 🙂 But the frame, ...

7 years ago
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RE: New truck blues

You do take a hit buying new, BUT it is worth it IMO if and only if you run it at least 10 years/300k miles. There is usually a reason decent looking ...

7 years ago
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RE: Winter

Loyal, I always say you can only take so many clothes off 🙂 SHG

7 years ago
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RE: Washers or "Flashers" for Mag Nails (for control)

Still find quite a few cheap beer cans like Keystone littering out here in Oregon, even with a $0.10 bounty, I guess when your are full of cheap beer ...

7 years ago
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RE: Washers or "Flashers" for Mag Nails (for control)

I have been using for supplies for years. I have set a lot of MN with a 2" aluminium washer, they do tend to get plowed out by snow plows, so more re...

7 years ago
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RE: Solar / Polaris Ephemeris

I use (worked last I checked) S P A D E (SOLAR & POLARIS AZIMUTH DETERMINATION) by Michael R. Craymer. This is an old DOS based program and likely...

7 years ago
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RE: CRTN NorCal Misconfiguration

Ooopsie! I always try to verify my RTN recorded CORS positions with the published datasheets. Some networks make this easier than others. If I find sl...

7 years ago
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RE: Field Note Retention After Scanning

@john-putnam I am working on cleaning out old files too, I don't have everything scanned, BUT made the decision to shed everything older than 10 years...

7 years ago
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RE: Wild / Leica T2002 notes

I am no expert, BUT the T2000/T3000 instruments are OLD, I think the first T2000 was around 1983, so 36 years ago and while there may have been increm...

7 years ago
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