Raw data has been received from the GPS receiver
Parameters passed to GPSNOTIFYPROC:
lParam1
The total number of bytes of raw GPS data pointed to by the lParam2 parameter.
lParam2
A pointer to the raw GPS message data as received from the GPS device. When the protocol is NMEA, the format is ASCII data; for all other protocols the message will be binary data in the proprietary format of the GPS protocol.
lParam3
Contains the user-defined parameter lUserParam passed to the
GpsSetNotificationCallback function.