Radio station WIP was responsible for the radiocast from Atlantic City. Owned by the Gimbel Brothers of Philadelphia, they set up a glass enclosed broadcast control room and studio on Atlantic City’s famous Young’s Steel Pier. Earlier that summer, they broadcast the sounds of the ocean. By “placing a special duralumin type microphone in [a] waterproof rubber hood”, the radio engineers lowered it through a 12x12 inch trap door in the floor of the control room and hung it from the peer just above the water where it picked up the “call of the waves.” For the first time, those living deep inland, far from the coast could hear the sounds of the ocean.
During the two dives, Johnson planned to broadcast a description of whatever he encountered “nine fathoms down”. He told of seeing a ship wreck, strange fish, and other sea creatures. He also described the appearance of “sub-sea foliage and mineral formations” in great detail. Unfortunately, radio broadcasts from the 1920s were rarely recorded for posterity. According to the Library of Congress, the recording equipment was bulky, expensive, and the recordings were of very poor quality. “So much of the early broadcasts…just went into the ether. They’re gone.” The August 5, 1924 issue of the Daily Times of Wilson, North Carolina, however, provided a detailed description of the broadcast by announcer SK and diver Johnson: