lasinfo (220310) report for '05an1.laz'
reporting all LAS header entries:
  file signature:             'LASF'
  file source ID:             0
  global_encoding:            17
  project ID GUID data 1-4:   00002022-0003-0000-0000-000000000000
  version major.minor:        1.4
  system identifier:          'VQ1560II'
  generating software:        'TerraScan 22.004'
  file creation day/year:     57/2022
  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:                  140000.000 593750.000 -1.713
  max x y z:                  144999.999 599999.999 69.613
  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: 109198769
  extended number of points by return: 82279813 17156554 7250193 2066892 392180 48905 4018 204 10 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           140000000  144999999
  Y           593750000  599999999
  Z               -1713      69613
  intensity           0       5073
  return_number       1          7
  number_of_returns   1          7
  edge_of_flight_line 0          1
  scan_direction_flag 0          1
  classification      1          9
  scan_angle_rank   -30         30
  user_data           6          7
  point_source_ID    68         89
  gps_time 329896107.009785 329903123.560798
  extended_return_number          1      9
  extended_number_of_returns      1      9
  extended_classification         1      9
  extended_scan_angle         -4991   4974
  extended_scanner_channel        2      3
  attribute0     -19.67      31.27  ('Reflectance')
  attribute1          0      65535  ('Deviation')
number of first returns:        82279813
number of intermediate returns: 9765868
number of last returns:         82267787
number of single returns:       65114699
overview over extended number of returns of given pulse: 65114699 19815283 15553563 6700709 1716790 269376 26707 1552 90 0 0 0 0 0 0
histogram of classification of points:
        37911507  unclassified (1)
        65211661  ground (2)
         6075601  water (9)