Unsatisfactory GPS reception on PinePhone?
#4
(10-01-2020, 05:30 AM)LinAdmin2 Wrote:
(09-30-2020, 12:21 PM)wibble Wrote: It's hugely better if you use AGPS, which pretty much every smartphone does most of the time. If you're using Mobian you can try the proof of concept python script to fetch the AGPS data and load it into the modem:
https://gist.github.com/alastair-dm/2632...e555fa6628
Thanks for this help. With AGPS I got a fix within a few minutes and GPS reception works as expected Wink

Just wanted to report I am unable to get a fix on my new pinephone manjaro ce edition.
I've installed the updated modem firmware from https://forum.pine64.org/showthread.php?tid=11815 so I have "EG25GGBR07A08M2G_01.002.07"
As well as the AGPS fix mentioned in this thread as can be seen from the assistance server output in the console output I've included below.

Code:
[root@manjaro-arm ~]# mmcli -m 0 --location-status
Code:
  --------------------------------
Code:
  Location |        capabilities: 3gpp-lac-ci, gps-raw, gps-nmea, agps-msa, agps-msb
Code:
          |              enabled: 3gpp-lac-ci, gps-nmea
Code:
          |              signals: no
Code:
  --------------------------------
Code:
  GPS      |        refresh rate: 5 seconds
Code:
          | supported assistance: xtra
Code:
          |  assistance servers: http://xtrapath1.izatcloud.net/xtra3grc.bin
Code:
          |                      http://xtrapath2.izatcloud.net/xtra3grc.bin
Code:
          |                      http://xtrapath3.izatcloud.net/xtra3grc.bin
Code:
[root@manjaro-arm ~]# mmcli -m 0 --location-get
Code:
  --------------------------
Code:
  3GPP |      operator code: XXXX
Code:
      |      operator name: XX
Code:
      | location area code: XXXX
Code:
      | tracking area code: XXXX
Code:
      |            cell id: XXXXXXXX
Code:
  --------------------------
Code:
  GPS  |              nmea: $GPGSA,A,1,,,,,,,,,,,,,,,,*32
Code:
      |                    $GPRMC,,V,,,,,,,,,,N*53
Code:
      |                    $GPGSV,3,1,10,01,,,,02,,,,03,,,,06,,,,1*61
Code:
$GPGSV,3,2,10,10,31,210,,12,33,042,,15,,,,16,,,,1*62
Code:
$GPGSV,3,3,10,17,,,,18,,,,1*6A
Code:
      |                    $GPVTG,,T,,M,,N,,K,N*2C
Code:
      |                    $GPGGA,072623.52,,,,,0,,,,,,,,*4D

I've tried waiting for a number of hours and based on what I can understand from the output on the GPGSV line it looks like it's tracking 10 satellites with varying degrees of signal strength. I'm unsure why it's unable to get a fix though.

Is anyone else having difficulties, or does anyone have any other tips?
Thanks!
  Reply


Messages In This Thread
RE: Unsatisfactory GPS reception on PinePhone? - by sog8b - 11-27-2020, 01:31 AM

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