XGPSSPEED(1) GPSD Documentation XGPSSPEED(1) (NAME) xgpsspeed - X gpsd (SYNOPSIS) xgpsspeed [OPTIONS] [service[:port[:device]]] xgpsspeed -h xgpsspeed -V (DESCRIPTION) xgpsspeed gpsd . (track) --nautical . --landspeed . --speedunits "knots" () "kmh" "mph" . . (nautical) --maxspeed . xgpsspeed (root) . xgpsspeed sudo . (OPTIONS) -?, -h, --help . -device DEVICE . ( ) . -D LVL, --debug LVL GPSD . . --host HOST () . localhost . -p PORT, --port PORT () . 2947 . -V, --version . (ARGUMENTS) gpsd localhost 2947 GPSD . : [server[:port[:device]]] (ARGUMENTS) gps(1) . (ENVIRONMENT) GPSD_UNITS . 'i' 'imperial' 'm' 'metric' 'n' 'nautical' . GPSD_UNITS LC_MEASUREMENT LANG . 'C' 'POSIX' 'en_US' imperial () . metric () . (RETURN VALUES) 0 . 1 . (SEE ALSO) gpsd(8), gps(1), xgps(1) (RESOURCES) : (COPYING) GPSD 2013 . SPDX-License-Identifier: BSD-2-clause (AUTHORS) Chen Wei Robin Wittler GPSD, Version 3.27.5 2025-11-04 XGPSSPEED(1)