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mathteacher
mathteacher
@mathteacher
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Joined: June 15, 2013 9:58 am
Last seen: September 24, 2026 2:51 pm
Topics: 158 / Replies: 2104
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RE: Best tool for calculating distance between two points over very different epochs?

Andy J, post: 455263, member: 44 wrote: Interesting history and discussion! but I'm left wondering .... why? Curiosity.

9 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

As [USER=640]@John Hamilton[/USER] posted, mark-to-mark is the best way to archive distances. As [USER=225]@JOHN NOLTON[/USER] said, there are severa...

9 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Here's a link with some nice pictures of Antonio (EV3805) and some historical pictures of the baseline measurement. Don't know if this is the OP's sit...

9 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Fascinating concept. The sea level distance, 35,373.21 meters, is the ellipsoidal distance on the Clarke 1866 ellipsoid. This can be duplicated by INV...

9 years ago
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RE: 'Nother problem

Tom Adams, post: 454366, member: 7285 wrote: I follow the "rules of operation" because it is a "rule". However it is not real math logic. Like a leg...

9 years ago
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RE: NGS Data Sheets, Dynamic Heights, Geoid 12A/B

The algorithm for calculating dynamic height is here: It's better to calculate in the metric system and then convert to feet at the end. Doing that g...

9 years ago
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RE: Good morning Orion-Letƒ??s go build America

Orion always rises due east. PK nails, on the other hand, can rise in any direction from any surface at any time.

9 years ago
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RE: How do you do that?

That's a lonely monument. The data sheet coordinates were scaled from a map and published to the nearest second. Compared to the recovery coordinates,...

9 years ago
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Replies: 26
Views: 1552
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RE: In honor of Monty Hall, we present the M.H. L.S. problem...

As Kenny Rogers said ..... [MEDIA=youtube]Jj4nJ1YEAp4[/MEDIA]

9 years ago
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RE: In honor of Monty Hall, we present the M.H. L.S. problem...

An easy way to see the probabilities is to play the game. Here is one simulator (there are many others) that can generate lots of plays in a short tim...

9 years ago
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RE: In honor of Monty Hall, we present the M.H. L.S. problem...

[USER=87]@Bill93[/USER] has it right. The initial pick is wrong 2/3 of the time and Monte's subsequent offer does not change that.Dave asked which cho...

9 years ago
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RE: CORS Station P565 - Subsidence by Drought or Groundwater Pumping

Gene Kooper, post: 448966, member: 9850 wrote: Hmmm....all these years I thought the clich??s were, "Beauty is in the eye of the beholder." and "Facts...

9 years ago
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9 years ago
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