HIGH-ALTITUDE COSMIC RAY MEASUREMENTS AT FORT CHURCHILL

Measurements with rocket-borne Geiger counters have been carried out at altitudes up to 250 km at Fort Churchill, Manitoba. The total primary cosmic ray intensity at a time near a solar maximum has been determined and compared with other measurements taken at times of high solar activity and also wi...

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Bibliographic Details
Published in:Canadian Journal of Physics
Main Authors: McDiarmid, I. B., Rose, D. C.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1960
Subjects:
General Physics and Astronomy
Geiger
Fort Churchill
Churchill
Online Access:http://dx.doi.org/10.1139/p60-069
http://www.nrcresearchpress.com/doi/pdf/10.1139/p60-069
Description
Summary:Measurements with rocket-borne Geiger counters have been carried out at altitudes up to 250 km at Fort Churchill, Manitoba. The total primary cosmic ray intensity at a time near a solar maximum has been determined and compared with other measurements taken at times of high solar activity and also with other Geiger counter measurements obtained near a solar minimum. A low-energy radiation was observed whose intensity increased with altitude up to about 25% of the primary intensity at 250 km.

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