Matches in DBpedia 2016-04 for { ?s ?p "Modulator Speaker Arrays are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars or any other disaster. They are identified mostly by their distinctive stacked \"flying saucer\" design. The Modulator II is more sold on the side of the siren."@en }
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- Federal_Signal_Modulator abstract "Modulator Speaker Arrays are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars or any other disaster. They are identified mostly by their distinctive stacked \"flying saucer\" design. The Modulator II is more sold on the side of the siren.".
- Federal_Signal_Modulator comment "Modulator Speaker Arrays are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars or any other disaster. They are identified mostly by their distinctive stacked \"flying saucer\" design. The Modulator II is more sold on the side of the siren.".