A zero with a positive or negative sign in EBCDIC is x'C0' and x'D0' which is also the representation for special characters { and }. Using the modified-zoned-decimal these translate to the ASCII values for { and } which is x'7B' and x'7D' and the rightmost nibble is no longer the binary value of the digit.
Chicago Midway International Airport (IATA: MDW, ICAO: KMDW, FAA LID: MDW) is an international airport on the southwest side of Chicago, Illinois, eight miles (13 km) from the Loop. Dominated by low-cost carrier Southwest Airlines, Midway is the Dallas-based carrier's largest focus city, as of 2013.
If you have a lot time to kill between flights at Midway, then Harry Carayâs Seventh Inning Stretch is the best Chicago airport bar for you. Located in the food court, Harry Carayâs has a friendly staff, bar and table seating and it is the largest restaurant/bar at Midway Airport.