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john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 20, 2026 8:56 am
Topics: 409 / Replies: 3051
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RE: Need Some Advice ''Temperature Correction''

I use a Trimble TSC2. All data stored in the .job file and the .dc file are UNCORRECTED distances. Since I prefer to adjust my total station data (and...

15 years ago
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RE: time to quit

Lowballersperhaps you are right, John. I did come across like that. But I get frustrated at what I see as a double standard. Buy cheap, but criticize ...

15 years ago
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RE: time to quit

LowballersI read many messages on here from people who want the cheapest equipment, or something used, never buy new, that includes vehicles. And then...

15 years ago
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RE: FixDatTGO update

RINEX is just a generic ascii format that many (most if not all) different receivers support. But, it uses actual dates and times, whereas a dat file ...

15 years ago
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RE: FixDatTGO update

Leap year should not matter. While I had to deal with various ways that different Trimble receivers store the date in the file, as I recall I was alwa...

15 years ago
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RE: Three base stations....

Some people consider it a profession, and some people ...Yea, unless I saw exactly what coordinate they had in their data collector, no way was I goin...

15 years ago
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Replies: 18
Views: 1040
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RE: star*net, NSRS 2007

Star*Net is just doing an adjustment. If you tell it NAD83 (whatever flavor), that gives it the dimensions of the ellipsoid. If you then fix NAD83 (NS...

15 years ago
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Replies: 2
Views: 1009
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RE: Establishing horizontal and vertical control

It all depends on project requirements. When I first started doing GPS, we only had NAD27/NGVD29. Even so, I would only use NGS published mons, not US...

15 years ago
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RE: TBC- .DC vs .JOB

Never tried that, Chris. I will look into it.

15 years ago
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RE: TBC- .DC vs .JOB

I agree Chris-the one thing I REALLY miss in TBC is the access database format. If I am just doing topo, I read in the dc file and process it in eithe...

15 years ago
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RE: TBC- .DC vs .JOB

The dc file is created from the job file when downloaded. DC file is an ascii file. The .job file contains information not found in the dc file, while...

15 years ago
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RE: Who's got more guts than me?

ProgressI have been to Uncle Alexander's grave at that church-some very valuable land there. Who was it who said "biggest waste of real estate-Churche...

15 years ago
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RE: Who's got more guts than me?

While I am the first to admit that higher is more scary, I find it interesting that we are more scared of 100 floors up than 3 floors up. A fall from ...

15 years ago
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RE: CORS vs Opus

Good point-I hadn't thought about the autonomous position being in there.

15 years ago
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RE: CORS vs Opus

7-8 feet sounds like possibly an issue of ITRF versus NAD83?BTW, it is confusing when you mix feet units and metric units in your post. I use metric t...

15 years ago
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Replies: 1
Views: 774
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