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Riegl .2dd file: 
Z:\McMurdo\FLIGHT02\LASER\081203_005101-McMurdo_Flight02b003.2dd
Header size (bytes):                           210
Total bytes per line (+ 10-byte trailer):      3310
Protocol ID (typically 1):                     1
Sync field present (0 = no, 1 = yes):          1
Number of points per line:                     330
Number of bytes per data point:                10
F paramter bits 7 - 0 (left to right):         0 1 0 0 1 1 0 1 
                                               0 1 0 0 1 1 0 1 = range + ampl +line angle + sync timer output
Serial number:                                 9996761
Target (0 = first, 1 = second, 2 = alternate): 01
Range unit [m]:                                0.001000
Angle unit [gon]:                              0.000111
Timer unit [s]:                                0.000010
Polar angle ID (nr of facets):                 3
Aperture of laser beam [0.1 mm]:               420.000000
Focus distance of laser beam [cm]:             300.000000
Divergence of laser beam [10 microrad]:        300.000000
Time sync epoch string (reformatted):          12/03/2008 00:51:01.000
Time syncronization source:                    GPS
Sync flag bits 7 - 0 (left to right):          0 0 0 0 0 0 0 0
                                               0 0 0 0 0 0 0 0 = means four green lights in RiSync
---------------------------------------------- End Header Block ------------------------------------------------