lasinfo (230330) report for '37an1.laz'
reporting all LAS header entries:
  file signature:             'LASF'
  file source ID:             0
  global_encoding:            17
  project ID GUID data 1-4:   00002023-0003-0000-0000-000000000000
  version major.minor:        1.4
  system identifier:          'LMSQ780'
  generating software:        'TerraScan 023.008'
  file creation day/year:     39/2023
  header size:                375
  offset to point data:       1625
  number var. length records: 3
  point data format:          6
  point data record length:   34
  number of point records:    0
  number of points by return: 0 0 0 0 0
  scale factor x y z:         0.001 0.001 0.001
  offset x y z:               -0 -0 -0
  min x y z:                  60000.001 443750.000 -9.359
  max x y z:                  64999.996 445605.151 146.129
  start of waveform data packet record: 0
  start of first extended variable length record: 0
  number of extended_variable length records: 0
  extended number of point records: 8994305
  extended number of points by return: 8197720 521829 186301 62991 19279 4967 1009 179 30 0 0 0 0 0 0
variable length header record 1 of 3:
  reserved             0
  user ID              'LASF_Spec'
  record ID            4
  length after header  384
  description          'RIEGL Extra Bytes'
    Extra Byte Descriptions
      data type: 4 (short), name "Reflectance", description: "Echo signal reflectance [dB]", min: -5000, max: 15000, scale: 0.01, offset: 0 (not set)
      data type: 3 (unsigned short), name "Deviation", description: "Pulse shape deviation", min: 0, max: 65535, scale: 1 (not set), offset: 0 (not set)
variable length header record 2 of 3:
  reserved             0
  user ID              'LASF_Projection'
  record ID            34735
  length after header  40
  description          'by LAStools of rapidlasso GmbH'
    GeoKeyDirectoryTag version 1.1.0 number of keys 4
      key 1024 tiff_tag_location 0 count 1 value_offset 1 - GTModelTypeGeoKey: ModelTypeProjected
      key 3072 tiff_tag_location 0 count 1 value_offset 28992 - ProjectedCSTypeGeoKey: Amersfoort / RD New
      key 3076 tiff_tag_location 0 count 1 value_offset 9001 - ProjLinearUnitsGeoKey: Linear_Meter
      key 4099 tiff_tag_location 0 count 1 value_offset 9001 - VerticalUnitsGeoKey: Linear_Meter
variable length header record 3 of 3:
  reserved             0
  user ID              'LASF_Projection'
  record ID            2112
  length after header  662
  description          'by LAStools of rapidlasso GmbH'
    WKT OGC COORDINATE SYSTEM:
    PROJCS["Amersfoort / Amersfoort / RD New",GEOGCS["Amersfoort",DATUM["Amersfoort",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","6289"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4289"]],PROJECTION["Oblique_Stereographic"],PARAMETER["latitude_of_origin",52.1561605555556],PARAMETER["central_meridian",5.38763888888889],PARAMETER["scale_factor",0.9999079],PARAMETER["false_easting",155000],PARAMETER["false_northing",463000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","28992"]]
the header is followed by 2 user-defined bytes
LASzip compression (version 3.4r3 c3 50000): POINT14 3 BYTE14 3
reporting minimum and maximum for all LAS point record entries ...
  X            60000001   64999996
  Y           443750000  445605151
  Z               -9359     146129
  intensity           7      32767
  return_number       1          7
  number_of_returns   1          7
  edge_of_flight_line 0          1
  scan_direction_flag 0          0
  classification      1          9
  scan_angle_rank   -32         33
  user_data           4          4
  point_source_ID   105        109
  gps_time 360416941.943168 360418190.948000
  extended_return_number          1      9
  extended_number_of_returns      1      9
  extended_classification         1      9
  extended_scan_angle         -5257   5429
  extended_scanner_channel        0      0
  attribute0          0          0  ('Reflectance')
  attribute1          0          0  ('Deviation')
number of first returns:        8197720
number of intermediate returns: 274675
number of last returns:         8199927
number of single returns:       7678017
overview over extended number of returns of given pulse: 7678017 668794 370046 174832 71576 23759 5819 1192 270 0 0 0 0 0 0
histogram of classification of points:
         1468437  unclassified (1)
         6393099  ground (2)
         1132769  water (9)