gpssnmp: usage
usage: /usr/bin/gpssnmp [OPTIONS] [server[:port[:device]]]

Options include:
  -?, -h, --help            = help message
                              Use with -D 1 to show possible OIDs
                              Use with -D 2 to show scale factors
  -D, --debug LVL           = set debug level to LVL, default 0
  -g, --get OID             = get value for OID
  -n, --next OID            = next OID value
  -p, --persist             = enter pass_persist mode
  -V, --version             = emit version and exit.

Examples:

to get the number of saltellites seen with the OID
   $ gpssnmp -g .1.3.6.1.4.1.59054.11.2.1.3.1
   .1.3.6.1.4.1.59054.11.2.1.3.1
   INTEGER
   15

to get the number of saltellites seen with the MIB name
   $ gpssnmp -g skynSat.1
   .1.3.6.1.4.1.59054.11.2.1.3.1
   INTEGER
   15