𝔖 Bobbio Scriptorium
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Natural and man-made EM variations in the Komló coalfield

✍ Scribed by A. Ádám; L. Szarka; J. Verő

Book ID
116044642
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
476 KB
Volume
53
Category
Article
ISSN
0031-9201

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✍ Charles Polk 📂 Article 📅 1983 🏛 Springer Netherlands 🌐 English ⚖ 372 KB

The equations for the Earth-ionosphere cavity resonance fields are given and some of the approximations used in their derivation are indicated. Typical electric and magnetic 5 to 20 Hz Schumann resonance field intensities are listed and compared with the level of other natural and man-made electroma