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BobKrohn
@bobkrohn
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Joined: Sep 23, 2012
Topics: 7 / Replies: 151
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RE: How did "old school" chaining work?

We used a technique called "double chaining".As we chained down a paved street we placed to red pencil dots about 0.2' apart, online.In chaining book,...

8 years ago
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RE: Simple, effecient cogo

Copan CoGo Lite - Free Does just about everything(especially like recall Distance and Azimuth by Point Number)Also has batch processing (PC version) O...

9 years ago
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RE: The Mythology of Ground Coordinates

Just do engineering plans & CL's in SPC.Having SPC ground Control every 1000' or so (BC, EC, POL)Use ground distance of you want for layout. It ne...

9 years ago
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RE: Help needed in Hawaii, big island.

Peter Ehlert, post: 355739, member: 60 wrote: are you referring to 464.82 feet record vs. 456.36 feet measured and the 19 minutes of difference in dir...

9 years ago
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RE: Help needed in Hawaii, big island.

Don't know about what others are saying about "good map" but looking at it for less than 2.56 seconds I see a horrendous distance mismatch on NE line....

9 years ago
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RE: Steel band versus modern EDM

Jim Frame, post: 350646, member: 10 wrote: FWIW, we used Lufkin Pioneer 1/4" tapes, mostly 100- and 200-foot variants, but sometimes 300-footers. Slo...

9 years ago
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RE: Precision Surveying: The Principles and Geomatics Practice by John Olusegun Ogundare

Another example of... Those that can, do.Those that can't, teach.Those that can't teach, write textbooks

9 years ago
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RE: What Android apps are you using in the field?

There are no CoGo type surveying apps available.All of them are useless garbage obviously written by some freshman learning how to program.Same with i...

9 years ago
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RE: Favorite Formulae

These type formulas I love finding them.Never seen it before. Wish there was a library of these "complete solutions".So many textbooks and magazine ar...

9 years ago
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RE: Programs for the HP S35

I've developed a fairly sophisticated Survey program for the HP Prime calculator.Thinking of making it Shareware or in the low $ range.Lots of adjustm...

9 years ago
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RE: Proper way to stake a slope

imaudigger, post: 330232, member: 7286 wrote: I have attached a sketch showing what I do for roads. A dam would be no different. The trick is setting ...

9 years ago
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RE: Calc points on Latitude

Andy Nold, post: 327455, member: 7 wrote: That looks like the right numbers, Loyal but how did you arrive at that? Is that a particular program or goo...

9 years ago
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RE: Another West Texas Photo from the 1920's

I am only looking at which sides of the buildings are in shadow.AM then W or NW side of building in shadow.PM then E or NE side of building in shadow....

9 years ago
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RE: Another West Texas Photo from the 1920's

West Texas shadowsJust out of curiosity I Google Map'ed it.I found this:Google Maps - Ft Russell in Marfa, TXAddress is "1 Cavalry Row" or on map it s...

9 years ago
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