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9.2.3 Data file header and data format.
Typical staring data file header and data format:
Filename: Stare_84_20140521_12.hpl
System ID:
00
Number of gates:
100
Range gate length (m):
Gate length (pts):
10
Pulses/ray:
15000
No. of rays in file:
1
Scan type:
Stare
Focus range:
500
Start time:
20140521 12:48:45.53
Resolution (m/s):
0.0382
Altitude of measurement (center of gate) = (range gate + 0.5) * Gate length
Data line 1: Decimal time (hours) Azimuth (degrees) Elevation (degrees) Pitch (degrees) Roll (degrees)
f9.6,1x,f6.2,1x,f6.2
Data line 2: Range Gate Doppler (m/s) Intensity (SNR + 1) Beta (m-1 sr-1)
i3,1x,f6.4,1x,f8.6,1x,e12.6 - repeat for no. gates
****
12.812647 90.00 90.00 -1.12 -0.31
0 -0.4482 1.011448 6.447228E-7
1 -0.1425 1.021657 1.221373E-6
2 0.1633 1.024372 1.377377E-6
3 1.0042 1.021814 1.236317E-6
4 -0.1042 1.022668 1.289223E-6
5 -0.3718 1.026051 1.487940E-6
6 0.3162 1.027775 1.594230E-6
7 0.2780 1.032716 1.888359E-6
8 0.2397 1.029193 1.695600E-6
Typical VAD data file header and data format:
Filename: C:\Lidar\Data\Proc\2010\201009\20100909\VAD_06_20100909_165213.hpl
System ID:
00
Number of gates:
320
Range gate length (m):
Gate length (pts):
10
Pulses/ray:
12000
No. of rays in file:
8
Scan type:
VAD
Focus range:
65535
Start time:
20100909 16:52:20.54
Resolution (m/s):
0.0380
Altitude of measurement (center of gate) = (range gate + 0.5) * Gate length
Data line 1: Decimal time (hours) Azimuth (degrees) Elevation (degrees) Pitch (degrees) Roll (degrees)
f9.6,1x,f6.2,1x,f6.2
Data line 2: Range Gate Doppler (m/s) Intensity (SNR + 1) Beta (m-1 sr-1)
i3,1x,f6.4,1x,f8.6,1x,e12.6 - repeat for no. gates
****
16.872372 360.00 75.00 -1.12 -0.31
0 -0.8678 0.992906 -1.767999E-5
1 13.3001 0.690805 -1.768839E-5
2 -2.2352 1.022761 4.030809E-7
3 -1.9314 1.025395 4.505609E-7
4 -2.1213 1.027799 4.944956E-7
5 -2.0833 1.029325 5.233433E-7
6 -1.7794 1.031933 5.721396E-7
7 -2.0833 1.027348 4.922573E-7
8 -1.5895 1.036381 6.583376E-7
9 -1.9314 1.038723 7.049130E-7
10 -1.5895 1.042201 7.733259E-7
11 -1.6275 1.044592 8.230941E-7
Scan type can be Stare, VAD, DBS, or User file 1 through 5.
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