Frequency & Power Changes
The following details the changes in frequency and power experienced by WWJ over the years. The data is from the Radio Service Bulletins that were issued periodically by the Commerce Department (the dates are the dates the particular bulletin was issued, not the date of the change):
- February 1, 1924, 517 meters (580 kHz) at 500 Watts.
- February 2, 1925, 352.7 meters (850 kHz) at 500 Watts.
- January 30, 1926, 352.7 meters (850 kHz) at 1,000 Watts.
- May 31, 1927, 374.8 meters (800 kHz) at 1,000 Watts.
- January 31, 1928, 352.7 meters (850 kHz) at 1,000 Watts.
- February 28, 1929 326 meters (920 kHz) at 1,000 Watts.
The station's power increased to 5,000 watts in 1937, and its frequency was permanently set at 950 kHz on March 29, 1941.
It reached its current 50,000 watts in 2000.
Read more about this topic: WWJ (AM)
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