When audio ruled
Some of the Pittsburgh specific recordings on that page are:
Broadcast #3 This bulletin from Honolulu, heard over WCAE (Pittsburgh, PA) at 4:15 p.m. Eastern time, offers the first direct-contact report from Hawaii.
Broadcast #7 This newscast, heard over KDKA (Pittsburgh) at 4:30 p.m. eastern time, announces the immediate alert against both espionage and Japanese Americans, who were, according to the report, equally surprised and shocked by the attacks. and
Broadcast #11 By the time this broadcast was heard over Pittsburgh's KDKA at 5:30 p.m. Eastern time, the nation was already on high alert against sabotage.