Hawaii Calls was cherished by surfers of the 1930's and '40's, especially, and the Wikipedia entry is worth a read: https://en.wikipedia.org/wiki/Hawaii_Calls
Thursday, July 12, 2007
On July 3, 1935, the first Hawaii Calls radio program was broadcast from the Moana Hotel on the beach at Waikiki. Hawaii Calls, created and hosted by Island radio pioneer Webley Edwards, successfully showcased top Hawaiian music and artists. In its heyday, the show was heard on over 600 radio stations in North America and scores of other stations in Australia, New Zealand, Mexico, South America, Africa, and on Armed Forces Radio throughout the world, and lasted through 1975.