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WA (1 character) = Warning or alarm status:
0 = No alarm or warning
W = Warning
A = Alarm
tr (3 characters) = Window transmission, %
h1 (5 characters) = 1st Height
If detection status is 1, 2, 3, or 4 h1 = Lowest cloud base reported
If detection status is 5 h1 = Vertical visibility as calculated
If detection status is 0 or 6 h1 = /////
h2 (5 characters) = 2nd Height
If detection status is 2, 3, or 4 h2 = Second cloud base reported
If detection status is 5 h2 = Highest 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 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 = Fourth cloud base reported
If detection status is 0, 1, 2, 3, or 5 h4 = /////
flags (12 characters in 3 groups of 4) = Alarm or warning information.
Refer to Message 001 for a breakdown of the flags.
CR LF = Carriage Return and Line Feed
LINE 3
_d_h1__d2_h2__d3_h3__d4_h4__d5_h5 CR LF
(note spaces)
where
d (2 characters) = 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
h1 (4 characters) = Height of the lowest cloud layer in 10 s of meters or 100 s of feet
d2 (1 character) = Cloud amount of the 2nd layer in oktas
SkyVUE™8M Tactical LIDAR Ceilometer
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