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Jim_H
Jim_H
@jim_h
Member
Joined: April 5, 2016 10:13 pm
Last seen: June 3, 2026 2:43 pm
Topics: 10 / Replies: 82
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RE: PLSS Convergency?

True enough Paden. But not so funny when another surveyor, while peeing, finds an original corner 100' away from the one you just proportioned...That...

10 years ago
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RE: PLSS Convergency?

The PLSS datum defines "straight lines" as being those of constant geodesic bearing which are curved lines in terms of an orthogonal coordinate system...

10 years ago
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RE: PLSS Convergency?

I guess that is what it comes down to. The orthogonal system most if us work in only jives with the PLSS datum at a givin point. The question is at ...

10 years ago
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RE: PLSS Convergency?

I hear you. At the section level, the framework is perhaps densified enough to get away with ignoring it. I live in NW Washington where convergence ...

10 years ago
Topic
10 years ago
Replies: 59
Views: 2079
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RE: Zone A LOMA

Surely the local building official has a required finished floor elevation for new construction. Presumably that will be 1 foot above the community de...

10 years ago
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RE: Mobile program for computing SPC scale factors?

Thanks for taking the time to reiterate that point Jim.... and thank you for not being rude. I would hate to see what that's like.

10 years ago
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RE: Mobile program for computing SPC scale factors?

Thinking about it, that makes sense. Elipsoid height not ortho height for elevation factor because elipsoid is consistant, geoid is not.I use a RTN le...

10 years ago
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RE: Flood zone ... in or out?

Since it's newer zoning designations, the area should appear digitally here:You can also see if other LOMAs have been done nearby.

10 years ago
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RE: Mobile program for computing SPC scale factors?

I thought the elipsoid height generated the grid factor and the ortho height generated the elevation factor. Combined factor being an average if the ...

10 years ago
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RE: Mobile program for computing SPC scale factors?

Thanks Loyal I appreciate it. I know I'm being a wuss, but anything else available that allows you to enter in feet and with an ortho height in order...

10 years ago
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