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rfc
@rfc
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Joined: July 4, 2014 11:48 am
Topics: 300 / Replies: 1601
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RE: Vermont Roads Closing?

Seb, post: 371787, member: 7509 wrote: Anyone here from Vermont? I came across this article about old roads in Vermont being closed and just wondered ...

9 years ago
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RE: 6- and 7-Year-Olds Couldn't Solve This Math Test Question

FL/GA PLS., post: 371650, member: 379 wrote: Can you? "There were some people on a train.19 people get off the train at the first stop17 people get on...

9 years ago
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RE: Star*net Least Squares question

Larry Scott, post: 371481, member: 8766 wrote: And you'll probably not have a big population like 12. But 4-6 maybe? Depends on how many sunny days ...

9 years ago
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RE: Star*net Least Squares question

Scott Zelenak, post: 371456, member: 327 wrote: Google: Theodolite Observations and Least Squares.There's a free pdf version from UNSW. That's a cool...

9 years ago
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RE: Star*net Least Squares question

Jim Frame, post: 371430, member: 10 wrote: If you don't want to wrestle through the statistics, why not try it both ways in Star*Net? Haven't taken a...

9 years ago
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Replies: 13
Views: 5
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RE: Longest baseline I've seen a fixed solution on

Mark O, post: 370296, member: 11591 wrote: Sorry for the newbie question, but what is an "epoch"? Is it the time period for a satellite to orbit the e...

9 years ago
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RE: How about an astro shot of Mercury transiting the sun?

I finally got some pics, but they're pretty underwhelming, compared to NASA's live stream web site. It's the black dot down and to the right of the cr...

9 years ago
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RE: How about an astro shot of Mercury transiting the sun?

Darn! In and out cloud cover this morning prevented me from doing a proper azimuth using both the sun and Mercury, but the clouds are clearing now.Try...

9 years ago
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RE: Interesting article: What would happen if GPS failed

Larry Scott, post: 371191, member: 8766 wrote: I'm just reminded of the Everest survey. Its major issue(s) wasn't the survey. It was logistics: transp...

9 years ago
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RE: Interesting article: What would happen if GPS failed

GeeOddMike, post: 371161, member: 677 wrote: Of course precise time is dependent on GPS as well. See: We had precise time long before GPS was creat...

9 years ago
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RE: Interesting article: What would happen if GPS failed

paden cash, post: 371162, member: 20 wrote: I hope that never happens... As surveyors we've endured centuries of bad press. Why is that back half of ...

9 years ago
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RE: Interesting article: What would happen if GPS failed

I'm good....as long as the sun and the stars stay where they are.:-)

9 years ago
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RE: How about an astro shot of Mercury transiting the sun?

Scott Zelenak, post: 370842, member: 327 wrote: How could you see Venus from 66E and 118W at the same time?That's 176 degrees apart?:-S From 80N, nea...

9 years ago
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RE: How about an astro shot of Mercury transiting the sun?

rfc, post: 370810, member: 8882 wrote: Mercury.... is moving pretty slow, so it should be pretty easy to sight. Uhhh....Relative to the sun perhaps....

9 years ago
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RE: The Annotated Photo as a Survey Product

imaudigger, post: 370769, member: 7286 wrote: That is irrelevant. Because you set monuments down the center of the road, there are plans being made as...

9 years ago
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RE: The Annotated Photo as a Survey Product

Kent McMillan, post: 370746, member: 3 wrote: If what you end up with is an image file that can be converted into a PDF file, you should be able to us...

9 years ago
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Replies: 1
Views: 4
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RE: The Annotated Photo as a Survey Product

Kent McMillan, post: 370710, member: 3 wrote: As I think I've mentioned before, I use Point I.D. Nos. to identify survey markers and calculated points...

9 years ago
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