Layer: 2008 Ft Lauderdale (ID: 456)

Parent Layer: LiDAR - Digital Elevation Models (DEM)

Name: 2008 Ft Lauderdale

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Description: These Lidar data were collected from July through August of 2008 covering a swath from shore outward to roughly three to four kilometers covering the area from Boca Raton south to Golden Beach. A laser, scanner, optical system, photo-multiplier tube and conditioning electronics collect the raw sounding signal. These items are mounted on a stabilized platform that is controlled via servo systems, using information from an Attitude and Heading Reference System (AHRS) mounted on the platform. Aircraft position information is obtained using GPS. Three computers, linked via an FDDI optic fiber network, control and monitor the AS operations. These computers are: a. The System Control Computer (SCC) for operator interface, logging and overall system coordination. b. The Navigation System and Support (NSS) computer for position monitoring and control. c. The Laser Control and Acquisition (LCA) computer for control of the scanner and laser and digitization of raw sounding data. The LCA also synchronizes overall AS timing. AS system time is synchronized with GPS time, and all data acquired for logging is appropriately time-stamped at the point of acquisition, then passed to the SCC to be written to Digital Linear Tape (DLT). Soundings in the LADS Mk II system are obtained by the transmission of laser pulses via a scanning system aboard the aircraft and by detecting return signals from land, the sea surface, the water body and the seabed. The transmitting and receiving components are housed on a stabilized platform that compensates for aircraft pitch and roll. The return signals are electronically amplified and conditioned prior to being digitized and logged. The center of the scanning mirror is the survey reference point on the aircraft. The GPS antenna is positioned relative to this point.These data are served to the public at the following NOAA sites:https://www.ngdc.noaa.gov/nos/H12001-H14000/H12116.htmlhttps://www.ngdc.noaa.gov/nos/H12001-H14000/H12117.htmlhttps://www.ngdc.noaa.gov/nos/H12001-H14000/H12118.html

Copyright Text: NOAA Office of Coast Survey Atlantic Hydrographic Branch Fugro LADS, Incorporated 925 Tommy Munro Dr., Biloxi, MS 39532

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