http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490telecommunications buildings http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 communications buildings BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 telecommunications RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 telephone exchanges NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 telegraph stations NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 telegraph offices NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 satellite tracking stations NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 relay stations NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 broadcasting stations NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 broadcasting towers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 buildings, telecommunications UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417490 telecommunications building UF