Nate The Surveyor, post: 388231, member: 291 wrote: Yuriy, have your ever seen a Javad work in the woods?
N
Hi Nate, if you have time, could you please send me a RINEX files (*.o and *.n) for one of those sites in heavy canopy, I would like to run the files trough https://igs.bkg.bund.de/ntrip/download&apos ;">BNC program and it will tell multi-path influence and I will post the picture here.
Yuriy Lutsyshyn, post: 388660, member: 2507 wrote: Hi Nate, if you have time, could you please send me a RINEX files (*.o and *.n) for one of those sites in heavy canopy, I would like to run the files trough https://igs.bkg.bund.de/ntrip/download&apos ;">BNC program and it will tell multi-path influence and I will post the picture here.
I'll be happy to do that. (I've never rinexed!) But, I think that if you, or any body else are working up solutions to multipath, then I am ALL FOR IT.
It will be a few days, or a week before I do it... my atv is broken, and I am hoofing it. I never realized how much I use that thing. Carry
Hammer, chainsaw, 10-12 rebar and paint, and sometimes metal detector, and shovel.
I have a heavy work load now.
But, Tell me what kind of data you would like.
Hard data (GPS struggles) Or, easy data, (goes fast) or whatever. I can pretty well get it for you.
N
Hi Nate, It does not have to be this week or this month, when ever you have a chance, I would like the most obstructed data. Raw data file would be good, I will translate with teqc. Thanks
OK, I listened to every word...(Tried to anyway)
Here is what you said: You'd like an obstructed file. And, if it is not a Rinex, (raw file) that is ok.
What this means to me, is maybe an hour long file. And, you would obviously like the base, and the rover files for this same time.... and the final coordinate that I derived from the pile as well, so you can seek to develop the software to process such files.
(I am all for GPS running better. ie, every brand of GPS working better. )
Is this correct? Or, were you anticipating using the CORS data on it?
(I see problems with this, as they are 30" files, and I would have a 1" interval file.)
I would also post or send you pics of the site, where the data came from. So, that you could have an idea of where it came from.
When data is better, surveyors win. Keep developing.
Nate
Since the topic is RTK and things that can go wrong: the dreaded RTK "false positive" is one that bit me a few years ago, where the controller said the 3D coordinate quality was plenty good. HOWEVER, upon reducing the data back at the office, one of the points had a seven-foot(!) vertical bust in elevation. Fortunately, there were sufficient additional shots in the vicinity such that it was an easy fix.
The only superior evidence is that which you haven't yet found.
I would like just rover file, just to see how the receiver copes with multi path. I will not do a deep research - just out of curiosity would like to see skyplot of multi path for each satellite in tough environment - which I will generate with BNC. I will see in google earth how woody the place is. Sorry for bugging.