SUBROUTINE IONSET ( )
Description
THIS ROUTINE CHECKS THE CONSISTANCY OF THE IONOSPHERIC PARAMETERS. 
IT ALSO PLACES THE PARAMETERS INTO PROPER SLOTS USING THE 
TRADITIONAL RULE (IE. TAKE THE E LAYER FROM THE CLOSEST SAMPLE 
AREA AND THE F LAYER FROM THE FURTHER SAMPLE AREA.)
Source file:ionset.f
Intrinsic Functions Called
REAL               AMIN1
Local Variables (+ indicates altered content)
INTEGER           +I,         +K
REAL              +HDIF
Referenced Common Block Variables (+ indicates altered content)
RON                INTEGER           +KFX,       KM
RON                REAL              +FI(3,5),  +HI(3,5)
RON                REAL              +YI(3,5)