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NAME

       ntploggps - log gpsd data

SYNOPSIS

       ntploggps [-h] [-l LOGFILE] [-o] [-w WAIT] [-v] [-V]

           -h, --help            show this help message and exit
           -l LOGFILE, --logfile LOGFILE
                                 append log data to LOGFILE instead of stdout
           -o, --once            log one line, then exit
           -w WAIT, --wait WAIT  wait WAIT seconds after each log line, default 5
           -v, --verbose         be verbose
           -V, --version         show program's version number and exit

DESCRIPTION

       ntploggps connects to a local gpsd daemon and logs the number of satellites in use and the
       Time Dilution of Precision (TDOP). ntploggps can run as any user, no special privileges
       are required.

       The default is to write the data to stdout about once every 5 seconds. The log file looks
       like:

           # Time       Device     TDOP     nSat
           1483668619.0 /dev/ttyS0 0.820000 7
           1483668624.0 /dev/ttyS0 0.820000 7
           1483668629.0 /dev/ttyS0 0.820000 7

       Time is the POSIX time of when the log line is written.

       Device is the GPS device the data came from.

       TDOP is the Time Dilution of Precision as reported by the GPS. Some GPS always output a
       static TDOP.

       nSat is the number of satellites in use.

OPTIONS

       -h, --help
           Displays usage information and exits.

       -l LOGFILE, --logfile LOGFILE
           Append log data to LOGFILE instead of stdout

       -o, --once
           Log one line, then exit.

       -v, --verbose
           Be verbose

       -w WAIT, --wait WAIT
           Wait WAIT seconds after each log line. The default is 5 seconds. This is just the
           minimum wait time. gpsd may be reporting data at a much slower interval.

       -V, --version
           show program’s version number and exit

USAGE

       ntploggps
           This the simplest use of this program. It can be used to check the status of the local
           gpsd daemon.

       ntploggps -l /var/log/ntpstats/gpsd -w 60 &
           This will continuously log the gpsd data in the background to the file
           /var/log/ntpstats/gpsd. Only log every 60 seconds.

AUTHORS

       Gary E. Miller

EXIT STATUS

       One of the following exit values will be returned:

       0 (EXIT_SUCCESS)
           Successful program execution.

       1 (EXIT_FAILURE)
           The operation failed or the command syntax was not valid.