It is not possible to tell the technical story of television without sharing its genesis, radio.
Thomas H. White did a very interesting paper on the history and "Mystique of the Three-Letter Call signs" back in January 1, 2001. Click here to visit his site.
The first broadcast station: Pittsburgh or San Jose?
Click here to read about the "Announcer"
You must have an acrobat reader installed to access this link.
It is interesting to compare the early days of radio with today. Note: Station locations are listed in meters. To convert meters to MHz, divide the frequency in meters into 300. For example: on page 25, they show KGO - Pacific Broadcasting Station is at 312 meters. That converts to 0.961 MHz or 961 KHz. KGO is now located at 810 KHz or 370 meters.
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