|Driver||NMEA GPGGA GPVTG GPHDT||Interface Type||Driver Class Type|
|UTC Driver||No||Input / Output||Output||Executable||DrvOutNMEA.exe 8209|
There is no further information about this driver.
Each $GPGGA sentence is variable in length, depending on the altitude and age values that are encoded. However, most fields in the string are of fixed length; only altitude and age fields are of variable length.
Refer to other chapters in this document, or to NMEA 0183- Standard For Interfacing Electronic Devices - Version 2.30 for more information about each sentence format.