Reader Directives

The directives listed below are processed by the NMEA 0183 reader. The suffixes shown are prefixed by the current <ReaderKeyword> in a mapping file.

By default, the <ReaderKeyword> for the NMEA 0183 reader is NMEA_GPS.

These directives parallel the format options provided by GPSBabel. For more information, refer to the GPSBabel documentation for this format.

DATASET

The value for this directive is the NMEA 0183 file to be read.

Required/Optional

Required

Mapping File Syntax

NMEA_GPS_DATASET /usr/data/data.txt

DATE

The value for this directive is the date to assume for tracks that do not have a date. The value is in the form of YYYYMMDD. This directive must be specified in order to read datasets containing undated track points.

Required/Optional

Optional

Mapping File Syntax

NMEA_GPS_DATE 20121031