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jhframe
jhframe
@jim-frame
Member Founder, Sustainer
Joined: July 1, 2010 10:44 am
Last seen: October 12, 2026 8:34 am
Topics: 465 / Replies: 7012
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RE: Long Backsight or long resection

This is a misconception that I held for a long time until someone challenged me on it and I ran a Star*Net preanalysis to check.?ÿ As long as you're i...

5 years ago
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RE: HZ rates and fixes with RTK

The sweet spot for me is upsampling 1hz from the base to 5hz on the rover, because that's what works.?ÿ 🙂

5 years ago
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RE: HZ rates and fixes with RTK

As I recall, I had to change the modulation selection in order to get 5hz to work, though I don't remember which spec it required.?ÿ I do know that I ...

5 years ago
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RE: Faster than the speed of light.....

My son (BS in physics, currently a PhD candidate in mechanical engineering) once explained to me how entanglement doesn't involve communication betwee...

5 years ago
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RE: HZ rates and fixes with RTK

My Javad 35w will broadcast at a true 5hz, but it runs a lot hotter when it does.?ÿ I didn't see enough difference between true 5hz and extrapolated 1...

5 years ago
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RE: HZ rates and fixes with RTK

The value in fast initialization lies in the fact that initializations don't always resolve the integer ambiguities correctly, especially once you dep...

5 years ago
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RE: 10' 1" Under Sidewalk

The elevated sidewalk theory has some plausibility, but I've never seen any photos of Washington from way back then, so I can't say one way or the oth...

5 years ago
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RE: 10' 1" Under Sidewalk

It doesn't affect the block I'm working in, so I didn't look for it.

5 years ago
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RE: 10' 1" Under Sidewalk

?ÿ Digging down 10 feet (and an inch!) doesn't make sense to me, especially given the location, the era and the surveyor. (I've retraced quite a bit...

5 years ago
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RE: 10' 1" Under Sidewalk

Yes, the Sacramento River is at the bottom of the image. I can maybe understand how the monument got buried that deep, but I'm having a hard time beli...

5 years ago
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Replies: 20
Views: 1835
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RE: RPLS Washington State

That comment may have been offered tongue-in-cheek, but there's probably some truth in it.?ÿ The average age of licensed land surveyors has been creep...

5 years ago
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RE: Found a nice mount for smartphone as data collector

What kind of DC software are you running on the phone?

5 years ago
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RE: GNSS Baseline Boundary Surveying

I should note that it's a rare job in which I can tie all boundary control from a single setup.?ÿ It happens, but not often.?ÿ Most jobs require ties ...

5 years ago
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RE: GNSS Baseline Boundary Surveying

How does having multiple GNSS occupations = no redundancy??ÿ But who cares where the second control point is anyway, as long as you know the bearing b...

5 years ago
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RE: Which Javad Package ?

You use an app that runs on any Android device (IOS is in the works).?ÿ It connects to the receiver via Bluetooth and provides a picture-perfect emula...

5 years ago
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RE: How to Adjust a Side Shot

This has happened to me more times than I can remember.?ÿ Negligence and incompetence -- and sometimes fraud -- get rewarded more often than we'd like...

5 years ago
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RE: How to Adjust a Side Shot

I don't understand why this is an issue.?ÿ As long as the sideshot measurement errors are properly characterized, you can incorporate the data into yo...

5 years ago
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RE: How do you relax and take your mind away from work?

I've been a tinkerer since I was a kid -- my dad taught me the rudiments of making stuff and fixing stuff -- and a frustrated machinist my whole adult...

5 years ago
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