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Air Survey

The Application of Modern Techniques to Surveying and Mapping

Published online by Cambridge University Press:  28 July 2016

C. A. Hart
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Extract

The employment of aircraft for surveying has become so usual, and so much has been written about it from one aspect or another, that perhaps the time is appropriate to define exactly what is meant by Air Survey; what the surveyor is trying to achieve, and how he is dependent upon the airman to obtain his objectives. To achieve good results from an air survey, closely integrated team work is required. The airman, photographer, instrument specialist, meteorologist and the surveyor each depend upon the other, any weakness in the chain making results more expensive and less effective. The author, as a surveyor, has worked in harmony for a good many years with the “air” side, and it is proposed in this paper to summarise the surveyor's approach and his requirements, and to explain why he seems never to be satisfied with the accuracy achieved. The greater the accuracy of photography, the simpler, quicker and cheaper become methods of using the results to fulfil the desired specification.

Information

Type
Research Article
Information
The Aeronautical Journal , Volume 54 , Issue 478 , October 1950 , pp. 613 - 639
Copyright
Copyright © Royal Aeronautical Society 1950

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References

Note on page 618 * Saffery, J. The Navigator's Problem in Air Survey. Jour. Inst. of Navigation, Vol. 2, No. 3, July 1949.Google Scholar

Note on page 621 * Miskin, E. A. Air Survey Equipment. British Engineering, Vol. 32, No. 51, December 1949 Google Scholar.

Note on page 622 * Information supplied by D.G.O.S.

Note on page 626 * Dawe, H. G. Large-Scale Precision Mapping by Photogrammetric Methods. Photogrammetric Engineering (in the Press).

Note on page 632 * Englund, C., Crawford, A. B. and Mumford, W. W. Bell System. Tech Jour. Vol. 14, 1935. Vol. 17, 1938Google Scholar.

† Essen, L. Letter in “Nature,” Vol. 195, No. 4044, 3 May 1947 Google Scholar.

‡ Jones, F. E. Measurement of Velocity of Propagation of Centimetre Radio Waves. Jour. I.E.E., Vol. 94, Pt. III, No. 32, 1947 Google Scholar.

§ Jones, F. E. and Cornford, E. G., Ibid. Jour. I.E.E., Vol. 96. pt. III, September 1949 Google Scholar.

Note on page 633 * Geodetic Survey of Canada. Shoran Experiments over the Geodetic Survey Framework in Ontario and Quebec, Bulletin Geodesique, 1949. Canadian Surveyor, Vol. IX, No. 12, April 1949.