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john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 17, 2026 12:17 pm
Topics: 409 / Replies: 3051
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RE: No ground control needed?

They did say a few times that of course the professional mapping companies always set some control. I have processed a lot of airborne GPS (none recen...

10 years ago
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Replies: 43
Views: 1906
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RE: $5000 to occupy a monument

We went to look for a USACE sedimentation range monument recently on a farm. The owner took Todd out on a UTV, they found the monument, and the guy sa...

10 years ago
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RE: CHC X90 GPS UNIT

It is not just for OPUS. It creates an L1/L2 rinex file which can be used in any software that will accept a rinex file. Works just fine in TBC.

10 years ago
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RE: Luca Brasi sleeps with the fishes

I found what I need to go recover the R8 at the bottom on the Monongahela River... Now, all I need is $825,000...(plus tax, probably)

10 years ago
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RE: Trimble 4700 GPS RTK

I have an X90, rarely use it (I bought it as an extra unit for use when we need one), but it works just fine for static. I did extensive testing to ma...

10 years ago
Topic
10 years ago
Replies: 7
Views: 718
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RE: $5000 to occupy a monument

I did a lot of work in southern Florida in the early 90's doing control work. Gated communities were always a problem. We were working for the county,...

10 years ago
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RE: $5000 to occupy a monument

There is a triangulation station at camp David. I tried to occupy it once and only once after being accosted by two Humvees full of Marines. Of course...

10 years ago
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RE: Stolen R10 Tulsa, OK

As I said before, a person who steals a man's tools that he uses to make a living is the lowest scum around. And my daughter is in law school to be a ...

10 years ago
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RE: $5000 to occupy a monument

No, it was in PA. Not a good day today anywhere

10 years ago
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RE: Trimble R8 with an external antenna?

No, not without disassenbling the receiver and tearing it apart. Borrow/rent an R7 with a zephyr 2 antenna, they are pretty lightweight

10 years ago
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RE: Stolen R10 Tulsa, OK

I imagine they will send some meth addict/crackhead in to retrieve it. It does have a GSM sim card, so hopefully they aren't smart enough to remove it...

10 years ago
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Replies: 24
Views: 786
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Replies: 28
Views: 1991
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RE: 2012 Thread "Geodetic North Line" ?

Ooops...didn't mean to do that.

10 years ago
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RE: 2012 Thread "Geodetic North Line" ?

Shawn Billings, post: 389303, member: 6521 wrote: There are so many ways to do this, it's hard to determine one method. It will depend on your equipme...

10 years ago
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