Each transformation having an intended application: Bursa Wolf for the very large networks, where the origin is set and computed from the center of ea...

Good morning Jim. Unfortunate misclosure. And yes, unnerving is the word sometimes. What we do these days is shake it like a baby when we take it out ...

Helmert is a type of seven parameter transformation.Bursa Wolf is a transformation that is based on a seven parameter model, and generally suits a ver...

Helmert is a type of seven parameter transformation.Bursa Wolf is a transformation that is based on a seven parameter model, and generally suits a ver...

isn't the comparison of Bursa-Wolf versus Molodensky-Badekas more appropriate?

i believe sokkia and the rolla, missouri engineering company stopped publishing the ephemeris books. i recommend MICA software from USNO as an alterna...

Dan Patterson, post: 380408, member: 1179 wrote: Just got my new manhole pick. I don't think I have ever been less exited to use a new tool in my lif...

Kent McMillan, post: 380213, member: 3 wrote: Those danged ADA ramps have destroyed an incredible number of survey marks in downtown Austin. I'm glad ...

naveed, you should provide some more details, as i don't think we can help without them

Larry Best, post: 379670, member: 763 wrote: PPP = Post Processing P? precise point positioning, a different way of thinking, and processing gps ob...

Seb, post: 379487, member: 7509 wrote: Despite the quote, we got the job. I should have gone higher! We are considering hiring a Geoslam ZEB1 to try. ...

another possibility: could someone have used the wrong antenna definition, or used an ARP to phase center offset that is close to 0.5' ?

in addition to suggesting the ease and certainty of static scans, there are a few other less traditional options (without naming makes and models): po...

Bill93, post: 377525, member: 87 wrote: I agree with ekillo that the crew applied the correction in the wrong direction. BUT that doesn't make enough...