March 1, 1923 U.S. Broadcast Station List
The following list -- U.S. broadcasting stations by callsign as of March 1, 1923 -- appeared on pages 14-22 of the April 2, 1923 (#72) issue of the Commerce Department's Radio Service Bulletin. These scanned pages come from the Federal Communication Commission's Radio Service Bulletins site.
A chart for converting operating wavelengths to kilohertz is located at Kilohertz-to-Meters Conversion Charts.
