Porter County Regional Airport (IATA: VPZ, ICAO: KVPZ, FAA LID: VPZ) (formerly Porter County Municipal Airport) is a public use airport located one nautical mile (1.8 km) southeast of the central business district of Valparaiso, a city in Porter County, Indiana, United States. It is owned by the Porter County Municipal Airport Authority.
Porter County Regional Airport has many call signs.
I used information in the parentheses. I think summarizing it made it difficult.
( z1 have :ARG0 ( z2 airport :name ( z3 name :op "Porter" :op "County" :op "Regional" :op "Airport" ) ) :ARG1 ( z4 sign :mod ( z5 call ) :quant ( z6 many ) ) )