May 31, 1922 & June 1-15, 1922 U.S. Broadcast Station Lists
The following lists -- U.S. broadcasting stations by callsign as of May 31, 1922, plus grants from June 1-15, 1922 -- appeared on pages 19-24 of the June 1, 1922 (#62) 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.
