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john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 18, 2026 8:03 am
Topics: 409 / Replies: 3051
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RE: The Greenwich Meridian ain't what it used to be...

I have been to the equator, but not Greenwich. Of course there is the issue of astronomic longitude versus geodetic longitude. But I would think th...

11 years ago
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RE: TSC2 & AT&T Mobile Hot Spot

If you go with open (no encryption), you can still setup mac filtering with many hotspots. You enter the mac address of your TSC2 into a list as an al...

11 years ago
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RE: Different types of markes surveyors use

I have seen railroad rails set vertical, not sure how long they are but I have heard they are usually 4' and sharpened at one end for driving into the...

11 years ago
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RE: Surveying a golf course

Biggest waste of prime real estate-golf courses and cemeteries. But, I play golf and don't plan to die anytime soon, so............

11 years ago
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RE: static/long static

Similar to some of the above, but for "fast" static I do 15 minutes on all points for baselines up to 15 km, then 1 minute per km above 15. I conside...

11 years ago
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RE: Trimble Realworks...it can't be this hard to do survey workflow

klsnbms, post: 334427, member: 146 wrote: Lee: Yes, we finally found that. I was naively looking for "import" rather than "open". One strange thing ...

11 years ago
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RE: Trimble Realworks...it can't be this hard to do survey workflow

SebastiÌÁn PÌ©rez, post: 334446, member: 10418 wrote: John watch this video sample

11 years ago
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RE: GPS again

It is true that static GPS will work in leaf off conditions SOMETIMES. Here is what I do...I set a base in an open area. I then run a second unit wher...

11 years ago
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RE: Trimble Realworks...it can't be this hard to do survey workflow

sorta/kinda figured it out. But it is nowhere near as easy as it should be.

11 years ago
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RE: GPS again

I have always said that WV is the TOUGHEST state to do GPS in. Sure, there are plenty of places where it works fine. But for most rural boundary surve...

11 years ago
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RE: Datugram software

Yes, we use realworks. It has come a long way since we first started using it. You don't feel so bad about paying for new releases (via the support ag...

11 years ago
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RE: Datugram software

As far as from the ground is concerned, I think the V10 is more useful, and of course a scanner gives you a lot more. We just received our new TX8 yes...

11 years ago
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RE: Some places surveying has taken me

Those are great pics. I have been to a lot of similar sites in the US, but with GPS, so the time there was short. I have been using GPS for control s...

11 years ago
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RE: Datugram software

I went to an extensive demo last week. Looked very interesting. I can see lots of uses for it. There is a learning curve, of course. Proper field proc...

11 years ago
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RE: Pilot Had to Swerve to Avoid Drone in South NJ After JFK and EWR Incidents

Here is where I think it is headed (and should!) Hobby-type drones, up to 200 feet agl, same as now Professional drones (aerial imagery, lidar, etc):1...

11 years ago
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RE: NDGPS sites going away....

True, most places have plenty of CORS so that one gone wouldn't be missed. I hope they take into account the areas that DON'T have a lot of CORS aroun...

11 years ago
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Replies: 6
Views: 821
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RE: Tick Bites in the News Again

John Hamilton, post: 331885, member: 640 wrote: Nasty creatures. Thanks for the reminder to always check. I have not had a single tick on me this year...

11 years ago
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