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A device for overcoming the effects of static on seismic shot signalsNormal access

Authors: F. A. Roberts and A. T. Dennison
Journal name: Geophysical Prospecting
Issue: Vol 1, No 3, September 1953 pp. 192 - 196
DOI: 10.1111/j.1365-2478.1953.tb01140.x
Organisations: Wiley
Language: English
Info: Article, PDF ( 257.11Kb )

Summary:
When refraction time signals are transmitted over a radio link between shooter and observer there is a serious risk of interference from electrical storms. This risk can be minimised by sending a series of signals at fixed time intervals and the paper describes a simple device which will do this with the required accuracy.


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