EA: MAGNETIC_FIELD_A
Status:
STD 2005/06/07
Code:
630
Concept definition:
A 3-hourly equivalent amplitude index of geomagnetic activity at a specific solar electromagnetic flux <
OBSERVATION_STATION
> on the <
EARTH
>, related to the 3-hourly <<
MAGNETIC_FIELD_K
>> index and ranging in value from 0 to 400; magnetic field A.
Attribute value type:
REAL
Unit equivalence class label:
PURE_NUMBER
Reference type:
IR
Reference:
[
TASC
]
Supplemental references:
Group membership:
EM_PHENOMENON
SPACE
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