I have never had OPUS return a solution when using Rapid-Static 15-120min. I will typically do a 30min occupation on a point...wide open skies no multi path problems.
Anyone have a idea why ?
I usually go back and do a 2hr observation, do the same process as far as rinex convertion, upload to Static and it works fine. Seems like a 30 min in the wide open should do the trick?
Also does anyone do short static observations using their own base? Any info on how long those need to be observed would be great.
Thanks
It depends A LOT on where you are in CONUS.
Out here, OPUS_RS is sketchy at best, and worthless for vertical. Pretty much a 30 minute proposition, and the data HAS TO BE very clean. In parts of CONUS with SUPER CORS coverage, it's a lot different story.
Loyal
What kind of receiver?
Sounds like your receiver may not be recording phase data. Opus-RS needs that whereas opus-S does not.
For processing your own sessions try the topcon tools demo or gnss solutions demo.
half bubble, post: 387648, member: 175 wrote: What kind of receiver?
Sounds like your receiver may not be recording phase data. Opus-RS needs that whereas opus-S does not.
For processing your own sessions try the topcon tools demo or gnss solutions demo.
Its a Spectra SP 80. how can I tell if I am recording phase data?
Its a Spectra SP 80. how can I tell if I am recording phase data?
It's kind of iffy in my area,
I agree with Loyal (I think) that you need proximity to more CORS with good geometry for processing RS.
There have been good posts in the past about RS and its processing signature.
No problem with static.
Vermont may be a small state with a CORS network but it depends on your location within.
Your receiver should be collecting all required data for OPUS-RS, reply to my email with a RINEX file.
Vermont has sufficient CORS for OPUS-RS. Along the border with New Hampshire you may get Outside of Polygon messages.
You can read a RINEX file with a text editor such as Wordpad.
Paul in PA
VRMTSRVY, post: 387667, member: 7295 wrote: Its a Spectra SP 80. how can I tell if I am recording phase data?
Look at the Rinex file and see if it has data in the P1 and P2 columns
The OPUS train is a frustrating ride, I find it better to get off before I get on
VRMTSRVY, post: 387630, member: 7295 wrote: I have never had OPUS return a solution when using Rapid-Static 15-120min. I will typically do a 30min occupation on a point...wide open skies no multi path problems.
Anyone have a idea why ?
I usually go back and do a 2hr observation, do the same process as far as rinex convertion, upload to Static and it works fine. Seems like a 30 min in the wide open should do the trick?
Also does anyone do short static observations using their own base? Any info on how long those need to be observed would be great.
Thanks
I seldom to never use OPUS-RS. The few times I did, were static shots we had made and I was still TGO and it was right after the billionth second SNAFU and I needed values. I do however, use the local CORS to process to quite often if I'm in the town for verification or vertical data. Works very well with OPUS and it's very close and I don't have to wait several hours. I adopted the "roll your own" from [USER=228]@Loyal[/USER] and several others. You might look at nearly ALL of Loyal's posts. He seems, in my opinion, to have the best grasp on geodesy, that can be explained by a guy drinking a beer. That's not to say that others aren't but he's my go-to when a geodetic question comes up. Mike Moe is no ones fool, and if you can stand to read his stuff, Kent is very good, but very arrogant.
Wild guess and possibly obsolete:
Use TEQC to strip out all the other constellations. None of my gear does Flonase ( oh wait please the omniscient and beneficial iPhone corrected GLONASS to that) however I recall having to strip that out of Rinex at some point in the past to make opus-Rs work for a more modern receiver. No error message then. Very puzzling.
OPUS is a great tool but I prefer to process my own data and just use it as a check. From my experience OPUS-RS can be very unpredictable.
OPUS meme
