SUBROUTINE F2DIS ( FMUF, SSN, CLAT, FREQ, ABB, SIG )
Argument Definitions (+ indicates altered content)
REAL               ABB,        CLAT,       FMUF,       FREQ
REAL              +SIG,        SSN
Description
    THIS ROUTINE OBTAINS THE UPPER AND LOWER DECILE FOR THE F2 MUF 
 
    USES TABLES OF F2 MUF(3000)  (IE MUF FOR A DISTANCE OF 3000 KM) 
 
FMUF IS F2 MUF,MHZ. 
SSN  IS SUNSPOT NUMBER. 
CLAT IS GEOGRAPHIC LATITUDE, RADIANS. 
FREQ IS OPERATING FREQUENCY,MHZ. 
    AB IS LOCAL MEAN TIME (HOURS)   SEE CLCK(K) 
SIG  IS STANDARD DEVIATION OF F2 MUF (NORMAL)
Source file:f2dis.f
Intrinsic Functions Called
REAL               AMAX1
GENERIC            ABS
Local Variables (+ indicates altered content)
INTEGER           +I,         +IC,        +ICC,       +ICL
INTEGER           +IZ,        +J,         +JK,        +K
REAL              +CL
Referenced Common Block Variables (+ indicates altered content)
TWO                REAL               F2D(16,6,6)