It is located 1.2 miles ( 1.9 km ) south - southwest Port Austin , Michigan .
Port Austin Air Force Station ( ADC ID : P - 61 , NORAD ID : Z - 61 ) is a closed United States Air Force General Surveillance Radar station .
Port Austin Air Force Station is located 1.2 miles ( 1.9 km ) south - southwest station   , Michigan .
Port Austin Air Force Station ( ADC ID : P - 61 , NORAD ID : Z - 61 ) is a closed United States Air Force General Surveillance Radar station .