European Space Agency

Royal Belgian Institute for Aeronomy

ua639 - equatorial electron density

subroutine  ua639(fl, kdaynr, ssn, dca)

Parameters:

• fl [real8,in] :: McIlwain L shell parameter

• kdaynr [integer4,in] :: day number

• ssn [real8,in] :: sun spot number

• dca [real8,out] :: equatorial electron density

Description

The subroutine ua639() evaluates the equatorial electron density in the plasmasphere as depicted in Carpenter and Anderson (1992; J.Geophys.Res. 97, 1097)

References

• Carpenter, D.L. and Anderson, R.R., An ISEE/whistler model of equatorial electron density in the magnetosphere, JGR 97 (1992) 1097-1108

Diagnostics

None

Common Blocks

None

Dependencies

Called by

• ua633 - IRI-90 ionosphere

Calls

None

See also

None

Reported Bugs

None

Examples

None

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UNILIB/tags/v3.03