SGP/BLC/C1 - Metadata errors

The latitude, longitude and altitude of the Belfort Laser Ceilometer
were incorrectly entered into the ARM database.  The correct 
location of the SGP.C1 BLC was:
     Lat: 36.606N
     Lon: 97.485W
     Alt:    316m

• North Latitude(lat)
• lon(lon)
• -180.0 - +180.0(alt)