~e; laserphotos of powerlines

[bc <human@electronetwork.org>]

 [quite fascinating technique/technology, which uses
  a laser to take an elevation (wysiwyg) view, that is,
  as a person on the ground looking at a line of power-
  poles, and wires, going along the horizon/landscape.
  thanks to * for the forward. the acronym ALTM stands
  for Airborne Laser Terrain Mappers. ~e.org]


ALTM  -  Powerlines

http://www.optech.on.ca/dataaltm7.htm

Features:
    
*   Powerlines in three separate sections of powerline corridor, in profile mode
*   Individual laser data points on wires, towers and ground are
clearly distinguished
*   Tree structures are clearly visible


Product:    ALTM 1020   Location:   Toronto, Canada
Altitude:   380 m AGL   Laser Pulse Freq.:  5 kHz

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