January 7
On this day in 1904, the Marconi Company made a proposal that there be an international Radio distress signal. "C.Q.D" meant "Stop Sending and Listen" although many eventually thought it to mean "Come, Quick, Danger". The code began use February 7, 1904 and was replaced in 1908 by "S.O.S."
On this day in 1940, "Gene Autrys Melody Ranch" first aired on the CBS Radio Network. It stayed on the air for 16 years.
On this day in 1941, The NBC Blue Radio Network debuted "The Squeaky Door". The show was later became known as "Inner Sanctum.".

