0 0 MULTI POINT MANUAL SNOW SURVEY
1 1 SINGLE POINT MANUAL SNOW WATER EQUIVALENT MEASUREMENT
2 2 SNOW PILLOW OR SNOW SCALE
3 3 PASSIVE GAMMA
4 4 GNSS/GPS METHODS
5 5 COSMIC RAY ATTENUATION
6 6 TIME DOMAIN REFLECTOMETRY
63 63 MISSING VALUE
