NMEA database parameter types

tUTC
l latitude
o longitude
a altitude
s speed
c course
w warning (A --- valid, V --- sensor warning)
n number of GPS satellites in view
q (GPS) fix quality:
0not available,
1GPS,
2DGPS
dHDOP
hheading
1custom1
2custom2
3custom3
4custom4
5custom5
6custom6
7custom7
8custom8
9custom9