ubxtool

Generic

Crank up the baud rate

ubxtool -S 115200
(Will probably have to restart GPSD aftwards)

Set the power management setting to full power

ubxtool -p CFG-PMS,0

Export protocol version and verbrosity

export UBXOPTS="-P 22.00 -v2"

v3 verbosity includes the raw hex values!

Class x06 (CFG) ID x24 (NAV5), len: 0x24
header: b5,62,06,24,24,00
payload: 01,00,02,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
chksum: 51,2c
UBX-CFG-NAV5:
 mask 0x1 dynModel 2 fixmode 0 fixedAlt 0 FixedAltVar 0
 minElev 0 drLimit 0 pDop 0 tDop 0 pAcc 0 tAcc 0
 staticHoldThresh 0 dgpsTimeOut 0 cnoThreshNumSVs 0
 cnoThresh 0 res 0 staticHoldMaxDist 0 utcStandard 0
 reserved x0 0
   dynModel (Stationary) fixMode (Unk) utcStandard (Default)
   mask ()

NEO/MAX-M8 Series

Set model to stationary

ubxtool -p MODEL,2

LEA-M8T

Survey

ubxtool -e SURVEYIN,3600,500000
Time in seconds, accuracy in 0.1mm increments.

Check survey status:

ubxtool -p TIM-SVIN

UBX-TIM-SVIN:
  dur 31 meanX 163983910 meanY -422921845 meanZ 446887812 meanV 1415408128
  obs 32 valid 0 active 1

M9 Series

Use configuration items!

ubxtool -g CFG-NAVSPG,0

Enable 2D only fix mode:

ubxtool -z CFG-NAVSPG-FIXMODE,1

Manually specify MSL altitude (in meters)

ubxtool> -z CFG-NAVSPG-CONSTR_ALT,35

Manually specify the allowed altitude variance

ubxtool> -z CFG-NAVSPG-CONSTR_ALTVAR,10000
(this is already set and doesn't need to be changed)

ubxtool.txt · Last modified: 2021/06/13 15:39 by john
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