I know one can use U-center to configure the F9P but is there an app to do it with android? I would like to be able to change the update rate in the field.
Thanks.
Hi, depending on the app You are using to connect to Your F9P, You could send UBX sentences as startup messages to change the configuration of Your module. I used this way to configure a M8T using RTKGPS+ or NTRIP-client for MapitGIS on Android. You may find more information about it on rtklibexplorer.com.
Just to give You an impression of the content of such a file:
# Set sample rate low while configuring receiver
!UBX CFG-RATE 1000 1 1
# turn on UBX RXM-RAWX messages on UART
!UBX CFG-MSG 2 21 0 1 0 0 0 0
# turn on UBX RXM-SFRBX messages on UART
!UBX CFG-MSG 2 19 0 1 0 0 0 0
# turn on UBX TIM TM2 messages on UART
!UBX CFG-MSG 13 3 0 1 0 0 0 0
# GNSS system settings
# set GPS 8-16 channels on
!UBX CFG-GNSS 0 32 32 1 0 8 16 0 65537
# set SBAS 1-3 channels on
!UBX CFG-GNSS 0 32 32 1 1 1 3 0 65537
# set Galileo 4-8 channels on
!UBX CFG-GNSS 0 32 32 1 2 4 8 0 65537
# set BeiDou 8-16 channels off
!UBX CFG-GNSS 0 32 32 1 3 8 16 0 0
# set IMES 0-8 channels off
!UBX CFG-GNSS 0 32 32 1 4 0 8 0 0
# set QZSS 0-3 channels off
!UBX CFG-GNSS 0 32 32 1 5 0 3 0 0
# set GLONASS 8-14 channels on
!UBX CFG-GNSS 0 32 32 1 6 8 14 0 65537
# change NAV5 stationary mode to pedestrian
!UBX CFG-NAV5 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
# turn off extra messages default messages
# NMEA GGA
!UBX CFG-MSG 240 0 0 0 0 0 0 0
# NMEA GLL
!UBX CFG-MSG 240 1 0 0 0 0 0 0
# NMEA GSA
!UBX CFG-MSG 240 2 0 0 0 0 0 0
# NMEA GSV
!UBX CFG-MSG 240 3 0 0 0 0 0 0
# NMEA RMC
!UBX CFG-MSG 240 4 0 0 0 0 0 0
# NMEA VTG
!UBX CFG-MSG 240 5 0 0 0 0 0 0
# NMEA ZDA
!UBX CFG-MSG 240 8 0 0 0 0 0 0
!UBX CFG-MSG 1 3 0 0 0 0 0 0
!UBX CFG-MSG 1 3 0 0 0 0 0 0
!UBX CFG-MSG 1 6 0 0 0 0 0 0
!UBX CFG-MSG 1 18 0 0 0 0 0 0
!UBX CFG-MSG 1 34 0 0 0 0 0 0
!UBX CFG-MSG 1 48 0 0 0 0 0 0
!UBX CFG-MSG 3 15 0 0 0 0 0 0
!UBX CFG-MSG 3 16 0 0 0 0 0 0
!UBX CFG-MSG 12 16 0 0 0 0 0 0
!UBX CFG-MSG 12 49 0 0 0 0 0 0
!UBX CFG-MSG 12 52 0 0 0 0 0 0
!UBX CFG-MSG 04 02 0 0 0 0 0 0
!UBX CFG-MSG 10 38 0 0 0 0 0 0
@
!UBX CFG-RATE 1000 1 1
Good luck and get a precise position.