Campbell Scientific CS135 Lidar Ceilometer User Manual
Page 46

CS135 Ceilometer
38
 
h2 (5 characters) = 2nd Height 
If detection status is 2, 3 or 4 h2  = Second highest cloud base reported 
If detection status is 5 h2  =
H
ighest signal received
If detection status is 0, 1, 5 or 6 h2 =
"/////"
 
h3 (5 characters) = 3rd Height 
If detection status is 3 or 4 h3  = Third highest cloud base reported 
If detection status is 0, 1, 2, 5 or 6 h3  =
"/////"
 
h4 (5 characters) = 4th Height 
If detection status is 4 h4 = Highest cloud base reported 
If detection status is 0, 1, 2, 3 or 5 h4 = "/////" 
 
flags (12 characters in 3 groups of 4, space separated) = Alarm or warning information. 
Refer to Message 001 for a breakdown of the flags. 
 
CR LF = Carriage Return and Line Feed 
 
 
LINE 3 
__d_h1h1h1__d2_h2h2h2__d3_h3h3h3__d4_h4h4h4__d5_h5h5h5 CR LF 
(note spaces) 
 
where 
 
d (1 character) = Data available 
0 to 8 Amount of lowest layer in oktas 
9 Vertical visibility only available 
-1 No sky condition data available 
99 Insufficient data 
 
h1h1h1 (3 characters) = Height of the lowest cloud layer in 10s of metres or 100s of feet 
 
d2 (1 character) = Cloud amount of the 2nd layer in oktas 
 
h2h2h2 (3 characters) = Height of the 2nd cloud layer in 10s of metres or 100s of feet, if no 2nd 
layer is reported h2h2h2 = '///'. 
 
d3  (1 character) = Cloud amount of the 3rd layer in oktas 
 
h3h3h3  (3 characters) = Height of the 3rd cloud layer in 10s of metres or 100s of feet, if no 3rd 
layer is reported h3h3h3  = '///'. 
 
d4  (1 character) = Cloud amount of the 4th layer in oktas 
 
h4h4h4  (3 characters) = Height of the 4th cloud layer in 10s of metres or 100s of feet, if no 4th 
layer is reported h4h4h4  = '///'. 
 
d5  (1 character) = Cloud amount of the 5th layer in oktas 
