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.
Major airports near Buffalo Grove, Illinois: The nearest major airport is Chicago O'Hare International Airport (ORD / KORD). This airport has international and domestic flights from Chicago, Illinois and is 20 miles from the center of Buffalo Grove, IL. Another major airport is Chicago Midway International Airport (MDW / KMDW), which has international and domestic flights from Chicago, Illinois and is 42 miles from Buffalo Grove, IL. Search for direct flights from your hometown and find hotels near Buffalo Grove, IL, or scroll down for more international airports or domestic airports.