Campbell Scientific CS135 Lidar Ceilometer - Manual (Page 52)

CS135 Ceilometer
44
LINE 2
S WA9h1
9
h2
9
h39flags CR LF
where
S (1 character) = message status:
0 = No significant backscatter
1 = One cloud base detected
2 = Two cloud bases detected
3 = Three cloud bases detected
4 = Full obscuration determined but no cloud base detected
5 = Some obscuration detected but determined to be transparent
/ = Raw data input to algorithm missing or suspect
WA (1 character) = Warning or alarm status:
0 = No alarm or warning
W = Warning
A = Alarm
h1 (5 characters) = 1st Height
If detection status is 1, 2 or 3 h1 = Lowest cloud base reported
If detection status is 4 h1 =
Vertical visibility as calculated
If detection status is 0 or 5 h1 = "/////"
h2 (5 characters) = 2nd Height
If detection status is 2 or 3 h2 = Second highest cloud base reported
If detection status is 4 h2 =
H ighest signal received
If detection status is 0, 1 or 5 h2 = "/////"
h3 (5 characters) = 3rd Height
If detection status is 3 h3 = Highest cloud base reported
If detection status is 0, 1, 2, 4 or 5 h3 =
"/////"
flags (12 characters) = Alarm or warning information.