FastClock+DCC 3.56 - Fastclock+DCC is a program designed for digital model railroad operations. Clock speed is adjustable from 1-1 up to 20-1 starting from any whole hour. Control of up to 40 locomotives equipped with the proposed NMRAF7, Lenz LZ100 or Digitrax DB100 Boosters. By Tom Bunce. $20 shareware.