ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE ionosphere is now generally regarded as divided into two main regions of intense ionisation. The upper (F or Appleton) region commences at a height of about 250 km., while the lower (E or Kennelly-Heaviside) region begins at a height of about 90 km. Besides these two main regions, the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/135953b0
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