View source for Magnetic Disturbed Day Solar Daily Variation

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'''Magnetic Disturbed Day Solar Daily Variation'''
 (''symbol 
Sd'') 
</dt><BR/>The [[Solar Daily Variation|solar 
daily variation]] of the earth's magnetic field obtained from the 5 most 
disturbed days of the month. [[/a>|/a>
]]
==References==
''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]''
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