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494
Radio Broadcast
anxiously for a telegram from De Forest at Key West. Nothing came.
However, at eleven o'clock, the Brooklyn operator came ashore in a launch and reported at the station. He inquired as to why we had not been sending, and added that he "had not heard a peep" from us.
The following morning a message was received from Dr. De Forest stating that he had not heard our signals.
Every item of the installation was carefully checked over and not a flaw found. A slight change in adjustment was made and the test resumed that evening with the same result. This testing continued week after week with relentless patience and continual changes. Even the large spread fan antenna was taken down, closely inspected and replaced.
What Dr. De Forest Said of the Author
"Mr. Butler, is in fact the only surviving member of the "old guard" who is still interested in wireless and who is in a position to lay before the public, in a graphic and interesting manner, a gripping story of those old days and the subsequent development of radio under the De Forest banner. He has just read me the first three installments of a most graphic story of his early days in wireless, recalling a thousand interesting facts which I had forgotten, and in which every radio fan must be intensely interested."
The "ground" was an item of suspicion. This "ground" had been considered a good one for the reason that it was made of heavy sheet copper one hundred feet square and buried five feet underground two feet under water, and connected to the spark gap by a four-inch copper bus bar.
To make sure the ground was all right, we dug up the plate and prepared to sink it deeper into the sea water. To do this it was necessary to construct a cofferdam, and while a force of men shoveled out the sand another crew on each corner operated force pumps to keep out the water so the digging gang could work. It was slow, stubborn work. When a depth of eleven feet had been reached, we were compelled to stop further excavation on account of the increased rush of the incoming
KW
The De Forest station at Key West, erected in 1905 for the United States Navy. This spark set had a
capacity of twenty kilowatts. The radio scenery at Key West now looks vastly different, what with the
tall steel masts of the present modern Navy station now there