Reading RPLS is free for the whole profession. Members post, reply, and get the members-only rooms.
Last seen: September 16, 2026 3:38 pm
I do more photo control than most people, probably a few thousand points a year. I do not set anything like a nail or spike when painting a target. An...
I had a survey to do last week where I flew in to a town right in the middle of the south portion of the job. Drove 2500 miles in 5 days doing photo c...
I didn't know you had other lines outside of the Allegheny River valley.
Not sure about the model 4, but on older models the area with the directory listings of the files would get full, even though the files were deleted. ...
It works differently of course when you work FOR the railroad. Plus, those lines are not used much, and slow speed. But it would be nice to never get ...
Nice pics of familiar locales...
They don't like the cold...
We got to the border crossing near Chicken (doing survey work for the US government), there was no one there at either side (US or Canada), closed for...
Only time I was in AK was in late October, made it as far north as Chicken. Got dark early!
I was working last week in a place with sunrise at 05:30 and sunset at 20:39. So 15h 07m of daylight. Not as extreme as Alaska, but still a long day. ...
Actually, some states are expressing a desire to go to one single zone, which much higher scale factors. Better for statewide GIS, not so good for sur...
The help file in access says that it is a reduction to the ellipsoid. I think they throw in the "sea-level" phrase because that is what people used to...
First of all, since elevation only has one "l", maybe that means ellipsoid, which would be the correct surface rather than "sea-level" (or orthometric...
Shawn Billings, post: 425558, member: 6521 wrote: Glad to hear the new reference frame will be at a fixed epoch. I had heard as recently as last week ...
Mike: lots of confusion ahead...
GeeOddMike, post: 425525, member: 677 wrote: With respect to the new vertical datum, as the designation GEOID### is used for hybrid models, won't it b...
Yes, they did say that OPUS-Projects will have leveling, traverse, etc tabs. Not sure how exactly that will reside in to DB if they are not adjusting ...
James Fleming, post: 425476, member: 136 wrote: Thanks...that saved me 12 unbillable hours and having to deal with the mass transit crap-shoot that is...