KPO Becomes KNBC – Hail and Farewell (November 23, 1947)
KPO/KNBC Radio San Francisco “Hail and Farewell” Broadcast Sunday, November 23, 1947 San Francisco’s KPO Radio, broadcasting at 680 kilocycles, changes its call letters to KNBC, reflecting its prominent role as a key NBC Network station on the West Coast. The event is celebrated with this special broadcast [Read more…]