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jhframe
jhframe
@jim-frame
Member Founder, Sustainer
Joined: July 1, 2010 10:44 am
Last seen: September 23, 2026 6:34 pm
Topics: 465 / Replies: 7012
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RE: Yolo Base Line 1881

> Do you have copy of the sketches from the Superintendent's report.The only sketch from the report on the Yolo Base Line is this detail of referen...

12 years ago
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RE: Yolo Base Line 1881

Here's an image showing a small portion of the 39th Parallel triangulation network, with the Yolo Base Line shown as a heavy line in the lower left qu...

12 years ago
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RE: Yolo Base Line 1881

> Didn't the report detail reference marks at the ends of the baseline, offset from the pillars?Yes, but only the closest two of the original RMs a...

12 years ago
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RE: Yolo Base Line 1881

> This will be a great test of the accuracy of the Javad GNSS receiver that Jim has, then.I've thought about occupying both ends of the base line, ...

12 years ago
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RE: Yolo Base Line 1881

Yes, I've saved the Bancroft photos, and also have this one from an NGS PowerPoint that Monica B. sent me. It purports to show the bars in use, thoug...

12 years ago
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Replies: 47
Views: 2086
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RE: Preanalysis of Survey in Star*Net (Bow Tie Example)

Preanalysis Adding Just One Angle> and these are the improvements in 95% confidence station coordinate error ellipses. None are close to 0.05 ft. i...

12 years ago
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RE: Prototype Robotic mount

> Ladder - idkI agree that "ladder" is the right answer. At least, that's what I always planned to use with my various "big tripod" schemes. But ...

12 years ago
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RE: Do you refurbish monuments?

> I am in the more conservative camp. If the monument is disturbed it no longer defines the corner. I wouldn't consider straightening and holding w...

12 years ago
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RE: Prototype Robotic mount

I played with this idea quite a bit when I first got a robotic gun. I had all sorts of designs, from truck-mounted to big-and-heavy standalone. In t...

12 years ago
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RE: Do you refurbish monuments?

> How many of you refurbish a recovered monument when found leaning badly or obviously out of whack?It depends on the situation. If I'm in a rural...

12 years ago
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RE: Monument Replacement - How Not to Do It

The contractor did get a bid from another local surveyor prior to commencing work -- that's where the $100 per monument figure came from -- but appare...

12 years ago
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Replies: 8
Views: 1300
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RE: Solo/Small Business NLM

> If your multiplier is 1.5 and you charge 3.0 then how many hours a week would you have to work?The problem is that the multiplier has to start wi...

12 years ago
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RE: Solo/Small Business NLM

My situation is similar to Bruce's, though not quite the same. I do have an employee, but he's part-time; his hours are getting more sporadic, though...

12 years ago
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RE: Javad Ad, Mystery Man In Photo?

> If you watch the video of the training session you can pick out the fuzzy guy.Which video? Got a link?Thanks!

12 years ago
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RE: Laying out a right angle with a 200' tape...

> On flat ground with three people...The bigger question is: Where are you going to find a 3-man crew these days?

12 years ago
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RE: Good Time to Buy a Wild Theodolite?

> I would never purchase a T2 that has had an edm mounted on it.I'd be wary of one that had the EDM mounted on the scope, but many years ago I used...

12 years ago
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