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jhframe
jhframe
@jim-frame
Member Founder, Sustainer
Joined: July 1, 2010 10:44 am
Last seen: September 17, 2026 7:22 pm
Topics: 465 / Replies: 7012
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RE: Magnet field photos

I'm impressed! How did you determine the image file format? And is each image file simply the data between quotation marks?

10 years ago
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RE: Kelsh Plotter - free

I've asked our local makerspace folks if they'd be interested. They drooled a lot over the photo, and are trying to scare up a location. If/when the...

10 years ago
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RE: Magnet field photos

FWIW, the mjf file appears to be a SQLite database. It contains a table named tblImageData, and it looks like beukie's file contains 262 photos in th...

10 years ago
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RE: Tribrach adjustment

MitchPTD, post: 412124, member: 10124 wrote: he had an X on the ceiling tile. Put in by Plumb Bob. When he had to adjust a tribrach, he simply had a 5...

10 years ago
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RE: Antenna height problem?

I was told many years ago that cable length effect is immaterial for positioning purposes, at least for the lengths normally encountered in field equi...

10 years ago
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RE: Antenna height problem?

Are you looking at only single occupations at each station? You need at least two if you're going for height, in my experience.How long are your ses...

10 years ago
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RE: Stapler

A Harris, post: 412009, member: 81 wrote: Use HP 11c for sales taxI'm really hoping we don't go there in California, but I'm not optimistic.

10 years ago
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RE: Stapler

My 1993 Swingline 94-02. (I guess that's the model number; it's the only number I found on it.)

10 years ago
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RE: Tribrach adjustment

Nice work. I'm curious why you chose this approach over a commercial adjustment ring. One advantage of the latter is that it accommodates all makes ...

10 years ago
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RE: Sealed Lead Acid battery life

Sergeant Schultz, post: 411939, member: 315 wrote: I have a couple 4500 mAh LiFePO4 batteries.Are those the kind that like to catch fire and burn thei...

10 years ago
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RE: Sealed Lead Acid battery life

I think it may be the deep cycling that's killing it. Those 7ah batteries are mostly intended for emergency lighting in buildings, where they'll spen...

10 years ago
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RE: Entering old data into StarNet

I'd subject the 180 to the same standard error as the other angles. Double-centered or not, those flops aren't perfect.

10 years ago
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RE: RTK for $699 a piece. Reach RS

Not to discount the future of low-cost precision GNSS, but I just read Gavin's article on the Trimble Catalyst software-defined receiver that runs on ...

10 years ago
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RE: RTK for $699 a piece. Reach RS

I recall reading years ago that a significant chunk of a dual-frequency receiver's cost went towards licensing fees on patented algorithms or somesuch...

10 years ago
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RE: FCC Licensing for External Radios (and walke talkies?)

I used National License when I got my Motorola handhelds in 2007. At the time, it cost me $475. When I got a 35-watt RTK radio in 2014 I used them a...

10 years ago
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RE: Latency driving me insane!

N.W. Staker, post: 411278, member: 11801 wrote: Top right latency up and down....Make that top left. I couldn't read the data collector display until...

10 years ago
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RE: Everest

"The margin of error on those measurements is a single centimeter."Good luck with that."After that, the team will cross-check those numbers the old-fa...

10 years ago
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RE: Oh, so THAT'S where that goes...

I'm surprised somebody didn't design a DI there. Now *that* would have given the underground crew something to scratch their heads about.

10 years ago
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RE: It's New Plotter Time...

Steve Gilbert, post: 410850, member: 111 wrote: I bought an HP DesignJet T520 last February for $1318.90 with sales tax included from Dasher Technolog...

10 years ago
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RE: Google Office vs Microsoft Office

FrancisH, post: 410872, member: 10211 wrote: Sorry but MS Office costs what? $100 or $200 a copy?$70 a year for 1 PC.

10 years ago
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