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larry-scott
larry-scott
@larry-scott
Member
Joined: May 28, 2014 10:48 pm
Last seen: April 9, 2026 5:20 pm
Topics: 61 / Replies: 998
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RE: Triangulation, and other forgotten skills

If you're really interested, and are familiar with Astro, I'd gladly share. In the interest of not embarrassing myself (if the spreadsheet isn't ripe ...

10 years ago
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RE: Triangulation, and other forgotten skills

rfc, post: 362557, member: 8882 wrote: Is this spreadsheet something you'd be willing to share? I would be happy to share, as long as I get some feed...

10 years ago
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RE: Triangulation, and other forgotten skills

In my area there is a tower on a ridge about 10 miles away. So, I set several points using GPS and OPUS solutions, and observed astro azimuths. Azimut...

10 years ago
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RE: Photos through a transit

Scott Zelenak, post: 361593, member: 327 wrote: Looks like a Wild subtense bar. I've been looking for tech papers on subtense. Most have just a coupl...

10 years ago
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RE: Photos through a transit

I've been looking for tech papers on subtense. Most say the same thing. If anyone has a line on an in depth publication, I'd appreciate it.

10 years ago
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RE: Photos through a transit

Scott Zelenak, post: 361593, member: 327 wrote: Looks like a Wild subtense bar. A fine piece of kit that is.

10 years ago
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RE: Photos through a transit

Larry Scott, post: 361541, member: 8766 wrote: Old school Now tell me what the target is?

10 years ago
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RE: Latitudes again!

It wasn't a real cadastral/boundary question. It was in the spirit of defining halfway along a meridian. Yes the state line has existing history. I re...

10 years ago
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RE: Latitudes again!

There you have it. Free range, no fences. Parcel sold. New owner calls for survey to build a fence. Neighbor thinks it the wrong place.

10 years ago
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RE: Latitudes again!

So, if the POB of an existing parcel was the mid point of the Nevada Utah border? Would that be by latitude? Distance? Slope chaining?Could you defend...

10 years ago
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RE: Latitudes again!

:gammon: I meant Utah Nevada border.

10 years ago
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RE: Latitudes again!

Where is halfway equator to pole?In reality it's a fair and good question. Either as a bar bet, or a genuine test question. As we can see there are a ...

10 years ago
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RE: US Navy teaching GPS alternatives

MISSOURIMULE, post: 359676, member: 9473 wrote: What's nice about the Naval Observatory is that they have calcs and charts for all kinds of stars and ...

10 years ago
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RE: Latitudes again!

Then there is geocentric or geodetic? Is "way" a unit of distance? Half way = way/2?

10 years ago
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10 years ago
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RE: US Navy teaching GPS alternatives

And of course, sun and Polaris in GHA, declination, in UT:

10 years ago
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RE: US Navy teaching GPS alternatives

Here's a good almanac specifically for surveyors.

10 years ago
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RE: Photos through a transit

imaudigger, post: 359300, member: 7286 wrote: How did you do this? Maybe the moderator thought the photo was cool

10 years ago
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RE: Photos through a transit

iPhone 6. Cross hairs unfocused.

10 years ago
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