HASL Aerial Survey System

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Description

Radioactive debris from nuclear detonations may fall out over an extensive area. A rapid evaluation of the distribution of such surface contamination cam be obtained by an aircraft mounted detector. The gamma field measured in the aircraft can be related to the intensity on the ground. The HASL Top Hat'' system measures the radiation intensity, in an aircraft, at any altitude up to 1500 feet. The data are continuously compensated to the reading that would be obtained if the measurements were taken at three feet from thc ground surface. It will record the ground radiation field intensities from 0.01 mr/hr ... continued below

Physical Description

53 p., some folded : ill. ; 28 cm.

Creation Information

Cassidy, M. E.; Graveson, R. T. & LeVine, H. D. July 29, 1957.

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  • Main Title: HASL Aerial Survey System
  • Added Title: Health and Safety Laboratory Aerial Survey System
  • Added Title: NYO (Series) (New York) Report 2071
  • Added Title: Atomic Energy Commission New York Operations Office Report 2071
  • Series Title: Atomic Energy Commission Reports
  • Added Title: Atomic Energy Commission Report NYO-2071

Description

Radioactive debris from nuclear detonations may fall out over an extensive area. A rapid evaluation of the distribution of such surface contamination cam be obtained by an aircraft mounted detector. The gamma field measured in the aircraft can be related to the intensity on the ground. The HASL Top Hat'' system measures the radiation intensity, in an aircraft, at any altitude up to 1500 feet. The data are continuously compensated to the reading that would be obtained if the measurements were taken at three feet from thc ground surface. It will record the ground radiation field intensities from 0.01 mr/hr to 1000 r/hr. The Telepulse Coding Unit converts this information to a signal suitable for transmission to a plotting center via a standard voice radio transmitter. The transmitted signal is decoded by a Telepulse Receiving Unit and is automatically recorded on a strip chart. The radiation data must be correlated with the aircraft position to determine the location amd intensity distribution of the contaminated area.

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53 p., some folded : ill. ; 28 cm.

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Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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Creation Date

  • July 29, 1957

Added to The UNT Digital Library

  • Aug. 15, 2016, 10:58 a.m.

Description Last Updated

  • Aug. 19, 2016, 1:42 p.m.

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Cassidy, M. E.; Graveson, R. T. & LeVine, H. D. HASL Aerial Survey System, report, July 29, 1957; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc502696/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.