Campbell Scientific CS135 Lidar Ceilometer - Manual (Page 54)

CS135 Ceilometer
46
CR LF = Carriage Return + Line Feed
LINE 3
scale9res9n9 energy9lt9tr9ti_bl9L0112HN159sum CR LF
where
scale (5 characters) = Scale parameter,%, 0 ... 99999. 100% is typical
res (2 characters) = Backscatter profile resolution in metres.
n (4 characters) = Profile length 385, 770, 1400, or 1500 samples.
energy (3 characters) = Laser pulse energy, %.
lt (3 characters including leading +/-) = Laser temperature, degrees C
tr (3 characters) = Window transmission, %
ti (2 characters) = Total tilt angle, degrees
bl (4 characters) = Background light, millivolts at internal ADC input (0 ... 2500)
"L0112HN15" (9 characters) = Reserved, defaults shown
sum = Sum of detected and normalized backscatter, 0 ... 999. Not used in Operating System 1
CR LF
= Carriage Return + Line Feed
This line is omitted from message 105.
LINE 4
SSSSSSSSSSSSSSSSSSSSSSSSSSSSS........(5 x 770 bytes) CR LF
The two-way attenuated normalised backscatter profile
(100000·srad·km)
-1
unless otherwise scaled by the Attenuated_SCALE parameter. Each sample is
coded with a 20-bit HEX ASCII character set; msb nibble and bit first, 2's complement.
The profile is not corrected for the tilt angle.
CR LF
= Carriage Return + Line Feed
This line is omitted from message 105.
NOTE
NOTE
NOTE