-ad. suffix (set theory, nonlinear) ; [4] a set of pitch classes, the prefix of which indicates the number of pitch classes; e.g. dyad, hexad, pentad. However, the term triad has come to have a special meaning.
From Wikipedia, the free encyclopedia. For the airport in Pellston, Michigan assigned the ICAO code KPLN, see Pellston Regional Airport. KPLN is a commercial radio station in Lockwood, Montana, broadcasting to the Billings, Montana area on 106.7 FM. KPLN airs a modern adult contemporary music format branded as âPlanet 106.7â. Also referred to as Billings Modern Hit Music.
Source: Port Authority of New York and New Jersey. John F. Kennedy International Airport (IATA: JFK, ICAO: KJFK, FAA LID: JFK) is a major international airport located in the borough of Queens in New York City, United States, 12 miles (20 km) southeast of Lower Manhattan.