subroutine abc441(msg,nmsg,itone,ndits) character msg*28 integer itone(84) integer lookup(0:91) character cc*43 data cc/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ.,?/#$'/ data lookup/13, 15, 17, 46, 47, 45, 44, 12, 11, 14, & 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, & 16, 48, 18, 19, 20, 21, 22, 23, 24, 25, & 26, 27, 15, 29, 30, 14, 16, 42, 46, 35, & 36, 37, 21, 0, 11, 41, 10, 13, 43, 1, & 2, 3, 4, 5, 6, 7, 8, 9, 49, 56, & 52, 55, 54, 12, 63, 17, 18, 19, 20, 44, & 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, & 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, & 45, 63/ save do i=1,nmsg n=ichar(msg(i:i)) if(n.lt.0 .or. n.gt.91) n=32 !Replace illegal char with blank n=lookup(n) itone(3*i-2)=n/16 + 1 itone(3*i-1)=mod(n/4,4) + 1 itone(3*i)=mod(n,4) + 1 enddo ndits=3*nmsg return end subroutine abc441