ASCII HEADER FOR CCDA FORMATTED DATA
-------------------------------------
POSITION  #    TYPE
---------------------
  1-4    (4)    (A)    Format code (CCDA = CIRA Climate Data Archive)
  5-7    (3)    (I)    HEADI(1) data source code
  8-10   (3)    (I)    HEADI(2) parameter number or code
 11-11   (1)    (I)    HEADI(3) data type (1=real*4, 2=int*4, 3=int*2, 4=byte)
                                non-VMS (5=real*4, 6=int*4, 7=int*2)
 12-16   (5)           blanks

 17-18   (2)    (I)    HEADI(4) start year
 19-21   (3)    (I)    HEADI(5) start jul day
 22-23   (2)    (I)    HEADI(6) start hour
 24-25   (2)    (I)    HEADI(7) end year
 26-28   (3)    (I)    HEADI(8) end jul day
 29-30   (2)    (I)    HEADI(9) end hour

 31-34   (4)    (I)    HEADI(10) xsize  number horizontal data points
 35-38   (4)    (I)    HEADI(11) ysize  number vertical data points
 39-44   (6)    (F)    HEADR(1)  dx  horizontal degree spacing (+ for W to E)
 45-50   (6)    (F)    HEADR(2)  dy  vertical degree spacing   (- for N to S)
 51-57   (7)    (F)    HEADR(3)  latitude  of first data location ( + for NH )
 58-65   (8)    (F)    HEADR(4)  longitude of western most data location

 66-76   (11)    (E)    offset for data  (add to data after applying scale)
 77-87   (11)    (E)    scale factor for data  (multiply data by this)
 88-98   (11)    (E)    ZINDEF  indefinite value
 99-104  (6)             blanks
105-144  (40)    (A)    LABEL character label  (40 bytes)
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