Facet: Missing Glonass data in Rinex

GPS/GNSS
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Facet: Missing Glonass data in Rinex
Hi: I’m putting Facet in base mode and sending data to Rtk2go and Emlid.
I’ve been doing this for a long time without any problems.
Yesterday I noticed that two of my CHC brand rovers weren’t receiving Glonass corrections correctly.

I saved raw data with RTKLIB, converted it to Rinex, and when I analyzed Rinex, I saw that Glonass only had code data and signal strength on L1 and L2.
There was no phase data on any frequency.
Something is wrong, and I don’t know how to fix it.
Can you help me with your comments?
Regards
Angel

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Message 1084 is generated and sent every 1 second.
What I don’t know is if this message is complete. I suspect not.
Because I’m not receiving GLONASS phase data on any frequency, it’s very strange.

I transferred the saved ubx files to rinex with rtkconv, and they also don’t have GLONASS phase data.
Why is that?

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1 Like
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Thanks @clive1

I replied to you on the U-blox forum.
It really caught my attention, because the rovers (CHC i73) weren’t receiving Glonass correction data.
So I analyzed the Rinex and saw that there was no Glonass phase data.
I honestly don’t know what to do.
I checked old U-blox from a couple of years ago, and they didn’t have Glonass phase data either.
It seems I’ve never paid attention to this issue.
I’d appreciate it if you could think of anything else.

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Solution.
Thanks to @clive1

Update zed f9p to v1.51
Update Facet to version 4.2

Pass RTCM messages to msm7.

My rovers receive complete data for all constellations, including Doppler values.
The generated rinexs are now complete.

Thanks @clive1
Best regards

Angel

1 Like