Generic File Format defenition

A sample header of the Lidar-KNMI data is displayed below:

01    '# HD LINES',15
02    'FORMAT VERS',2.3
03    'DATA VERS',2.0
04    'INS NAME','CT75K Ceilometer KNMI'
05    'LAT/LON',51.971,4.927
06    'ELEV',0100,'m'
07    'START',1996:04:17,00:00:17
08    'STOP',1996:04:17,23:59:39
09    'X INFO',02879, 0.00500000,23.99444389,'Time','Hrs(UTC)',0.0
10    'Y INFO',00384,0.0000,11.4900,'Altitude','Km'
11    '# VAR TYPES',01
12    'Backscatter','1/[100    srad    km]',00384
13    %% BEGIN COMMENTS
14    Vis-software calibration
15    %% END OF HEADER
16     0.000 0.030 0.060 ...etc.
17     0.00500000 0.1800 0.1800 ...data

01:  The number header lines including line 01
02:  Header format version
03:  Data version
04:  Instrument name
05:  Latitude and Longitude of the instrument
06:  Elevation of the instrument above the ground
07:  Starting date and time of the data
08:  Ending date and time of the data
09:  Info about the time axis of the data: number of datalines (excluding Y INFO line 15), start time,
       stop time (both decimal), 'Time', 'hrs(UTC)'
10:  Info about the value axis used for 3D data: number of range bins, starting value, ending value,
       'variable name', 'unit'
11:  The number of variables used in the data
12:  Description of the variables: 'name', 'unit', number of columns
13:  Line marking the beginning of the comment lines
14:  Comment line
15:  Line marking the end of the header, lines hereafter are not included in the header line count
16:  Range bin borders
17:  Following the lines of decimal time and data