h5 (4 characters) = Height of the 5th cloud layer in 10s of meters or 100s of feet, if no 5th layer is
reported h5 = ////.
CR LF = Carriage Line Feed
NOTE:
Cloud amounts and heights cannot be reported until the SkyVUE 8M has been operating for
30 minutes.
LINE 4
scale
V
res
V
n
V
energy
V
lt
V
ti_bl
V
pulse
V
rate
V
sum CR LF
where
scale (5 characters) = Scale parameter,%, 0 to 99999. 100% is default
res (2 characters) = Backscatter profile resolution in meters
n (4 characters) = Profile length
energy (3 characters) = Laser pulse energy, %.
lt (3 characters including l/-) = Laser temperature, degrees C
ti (2 characters) = Total tilt angle, degrees
bl (4 characters) = Background light, millivolts at internal ADC input (0 to 2500)
pulse (4 characters) = Pulse quantity x 1000 (0000 to 9999)
rate (2 characters) = Sample rate, MHz, (00 to 99)
sum = (3 characters) Sum of detected and normalized backscatter, 0 to 999. Multiplied by scaling
factor times 10
4
. At scaling factor 100 the SUM range 0 to 999 corresponds to integrated
backscatter 0 to 0. srad
-1
.
CR LF = Carriage Line Feed
LINE 5
SSSSSSSSSSSSSSSSSSSSSSSSSSSSS........(2048 x 5 bytes) CR LF
The two-way attenuated normalized backscatter profile (
CR LF = Carriage Line Feed
LINE 6
ETX CRC-16 EOT CR LF
SkyVUE™8M Tactical LIDAR Ceilometer
76