Jps2rinWin Problem

Jim Frame

Well-Known Member
I converted a file from my T2 and sent it to OPUS, but got back an error message about incorrect formatting. I ran the RINEX file through teqc and got this message:

! Notice ! GLONASS: bad slot #= 25 being rejected @ 2014 Dec 22 16:54:00.000 (mi
n= 1, max= 24)
teqc: failure to read ' G16R18G18G29R24G21R25S35S
38' on line 95 of 'C:\Projects\1037-001\1037-001A\GPS Data\CS03A_165330.14o'
(invalid satellite number) ... exiting
It's showing a GLONASS SV in slot 25, which teqc doesn't like. When I look at the file in Jps2rinWin, it shows GLONASS slots 25 and 26 in red, but I don't know what that means.

Here's a snipped of the Jps2rinWin setup screen:


temp.jpg


Thoughts?
 

Shawn Billings

Shawn Billings
5PLS
You can right click on a jps file in Windows Explorer and the pop-up menu includes an option for OPUS. This is the easiest. I've found that I have to disable all of the S and D observable to get an OPUS compliant file in jps2rinex. Of course removing GLONASS is fine for now as OPUS doesn't process GLONASS data.
 

Jim Frame

Well-Known Member
You can right click on a jps file in Windows Explorer and the pop-up menu includes an option for OPUS.
Thanks, I didn't know that. The right-click option converts the file to RINEX containing only the GPS observables.

As an interesting side note, Jps2rinWin will overwrite a file of the same name without changing the time stamp. I first noticed this yesterday when I reran the converter to remove the GLONASS stuff from the file that bombed. I had an Explorer window open with sorting by date, and at first thought that the second conversion hadn't worked because the file listing didn't change. But when I opened the RINEX file in a text editor, I saw that the GLONASS data was gone.

When I tried the right-click thing this morning on the same JPS file, the same thing happened. The time stamp isn't the same as the original JPS file, but rather that of the first RINEX file created from a given JPS file. I don't know whether to call this a feature or a bug!
 

Kelly Bellis

ME PLS 2099
5PLS
Thanks, I didn't know that. The right-click option converts the file to RINEX containing only the GPS observables.

As an interesting side note, Jps2rinWin will overwrite a file of the same name without changing the time stamp. I first noticed this yesterday when I reran the converter to remove the GLONASS stuff from the file that bombed. I had an Explorer window open with sorting by date, and at first thought that the second conversion hadn't worked because the file listing didn't change. But when I opened the RINEX file in a text editor, I saw that the GLONASS data was gone.

When I tried the right-click thing this morning on the same JPS file, the same thing happened. The time stamp isn't the same as the original JPS file, but rather that of the first RINEX file created from a given JPS file. I don't know whether to call this a feature or a bug!
The files that are being overwritten are the results of running JPS2Rin and NOT the JPS source file. Toggling the SVs on/off filters which SVs are used by JPS2Rin. The JPS file remains whole and unaltered. The g, h, n and o files will be overwritten each time JPS2Rin is run. When I haven't wanted that to occur, I'll make a point of naming the output results. For example:
over write 1.PNG


The only reason I've gone through the drill is generally to 1) decimate the T2's data; e.g., 1-second recording down to 30-second intervals for OPUS, and 2) GPS only to placate the handicap of OPUS.

All of that said, the g and h files produced by JPS2Rin are being overwritten and are not being written with my appended suffix; e.g., - opus. I've never noticed that until now, thanks to you mentioning this. I never have even looked at the g and h files, and to be honest, have no idea what I would use them for.
 

wanconm

Member
I got an error message back from OPUS on a JPS file I converted to Rinex as well and then tried just sending the jps file itself.
It turns out OPUS accepts jps.
No idea if it removed the Glonass data or not but if it did, I didn't see any indication.
William
 

Shawn Billings

Shawn Billings
5PLS
yes. OPUS accepts jps natively. If you do need to send a Rinex file to OPUS, use the right click convert for OPUS option described above.
 
Top