Table of Contents



Crank up the baud rate

ubxtool -S 115200

Set the power management setting to full power

ubxtool -p CFG-PMS,0

Export protocol version and verbrosity

export UBXOPTS="-P 18 -v 2"

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
 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 ()

M8 Series

Set model to stationary

ubxtool -p MODEL,2

M9 Series

Use configuration items!

ubxtool -g CFG-NAVSPG,0

Enable 2D only fix mode:


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: 2021/02/19 01:15 by john
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