Has the capability of sending out 1ft resolution altitude data to either the GPS/Loran and/or AMS-2000. Because a static input is received, Shadin Avionics' patented recalibration of the gray code after the first 200 foot change in altitude allows for 10ft increments to be displayed on the GPS or AMS-2000. If used with the AMS-2000 Instantaneous Vertical Speed (IVS) is calculated, which allows for a time based warning as you approach your target altitude.