| Call | City | State | Licensee
|
|---|
| KDKA | East Pittsburgh | PA | Westinghouse Electric & Manufacturing Co.
|
| KDN | San Francisco | CA | Leo J. Meyberg Co.
|
| KDPT | San Diego | CA | Southern Electrical Co.
|
| KDYL | Salt Lake City | UT | Telegram Publishing Co.
|
| KDYM | San Diego | CA | Savoy Theater
|
| KDYN | Redwood City | CA | Great Western Radio Corp.
|
| KDYO | San Diego | CA | Carlson & Simpson
|
| KDYQ | Portland | OR | Oregon Institute of Technology
|
| KDYR | Pasadena | CA | Pasadena Star-News Publishing Co.
|
| KDYS | Great Falls | MT | The Tribune
|
| KDYU | Klamath Falls | OR | Herald Publishing Co.
|
| KDYV | Salt Lake City | UT | Cope & Cornwell Co.
|
| KDYW | Phoenix | AZ | Smith Hughes & Co.
|
| KDYX | Honolulu | HI | Star Bulletin
|
| KDYY | Denver | CO | Rocky Mountain Radio Corp.
|
| KDZA | Tucson | AZ | Arizona Daily Star
|
| KDZB | Bakersfield | CA | Frank E. Siefert
|
| KDZD | Los Angeles | CA | W. R. Mitchell
|
| KDZE | Seattle | WA | The Rhodes Co.
|
| KDZF | Los Angeles | CA | Automobile Club of Southern California
|
| KDZG | San Francisco | CA | Cyrus Peirce & Co.
|
| KDZH | Fresno | CA | Fresno Evening Herald
|
| KDZI | Wenatchee | WA | Electric Supply Co.
|
| KDZJ | Eugene | OR | Excelsior Radio Co.
|
| KDZK | Reno | NV | Nevada Machinery & Electric Co.
|
| KDZL | Ogden | UT | Rocky Mountain Radio Corp.
|
| KDZM | Centralia | WA | E. A. Hollingworth
|
| KDZP | Los Angeles | CA | Newbery Electric Corp.
|
| KDZQ | Denver | CO | Motor Generator Co.
|
| KDZR | Bellingham | WA | Bellingham Publishing Co.
|
| KDZW | San Francisco | CA | Claude W. Gerdes
|
| KDZX | San Francisco | CA | Glad Tidings Tabernacle
|
| KDZZ | Everett | WA | Kinney Bros. & Sipprell
|
| KFAB | Portland | OR | Pacific Radiofone Co.
|
| KFAC | Glendale | CA | Glendale Daily Press
|
| KFAD | Phoenix | AZ | McArthur Bros. Mercantile Co.
|
| KFAE | Pullman | WA | State College of Washington
|
| KFAF | Denver | CO | Western Radio Corporation
|
| KFAJ | Boulder | CO | University of Colorado
|
| KFC | Seattle | WA | Northern Radio & Electric Co.
|
| KFI | Los Angeles | CA | Earl C. Anthony (Inc.)
|
| KFU | Gridley | CA | The Precision Shop
|
| KFV | Yakima | WA | Foster-Bradbury Radio Store
|
| KFZ | Spokane | WA | Doerr-Mitchell Electric Co.
|
| KGB | Tacoma | WA | Wm. A. Mullins Electric Co.
|
| KGF | Pomona | CA | Pomona Fixture & Wiring Co.
|
| KGG | Portland | OR | Hallock & Watson Radio Service
|
| KGN | Portland | OR | Northwestern Radio Manufacturing Co.
|
| KGO | Altadena | CA | Altadena Radio Laboratory
|
| KGU | Honolulu | HI | Marion A. Mulrony
|
| KGW | Portland | OR | Oregonian Publishing Co.
|
| KGY | Lacey | WA | St. Martin's College (Rev. S. Ruth)
|
| KHD | Colorado Springs | CO | C. F. Aldrich Marble & Granite Co.
|
| KHJ | Los Angeles | CA | C. R. Kierulff & Co.
|
| KHQ | Seattle | WA | Louis Wasmer
|
| KJC | Los Angeles | CA | Standard Radio Co.
|
| KJJ | Sunnyvale | CA | The Radio Shop
|
| KJQ | Stockton | CA | C. O. Gould
|
| KJR | Seattle | WA | Vincent I. Kraft
|
| KJS | Los Angeles | CA | Bible Institute of Los Angeles
|
| KLB | Pasadena | CA | J. J. Dunn & Co.
|
| KLN | Del Monte | CA | Noggle Electric Works
|
| KLP | Los Altos | CA | Colin B. Kennedy & Co.
|
| KLS | Oakland | CA | Warner Bros.
|
| KLX | Oakland | CA | Tribune Publishing Co.
|
| KLZ | Denver | CO | Reynolds Radio Co.
|
| KMC | Reedley | CA | Lindsay-Weatherill & Co.
|
| KMJ | Fresno | CA | San Joaquin Light & Power Corp.
|
| KMO | Tacoma | WA | Love Electric Co.
|
| KNI | Eureka | CA | T. W. Smith
|
| KNJ | Roswell | NM | Roswell Public Service Co.
|
| KNN | Los Angeles | CA | Bullock's
|
| KNR | Los Angeles | CA | Beacon Light Co.
|
| KNT | Aberdeen | WA | North Coasts Products Co.
|
| KNV | Los Angeles | CA | Radio Supply Co.
|
| KNX | Los Angeles | CA | Electric Lighting Supply Co.
|
| KOA | Denver | CO | Young Men's Christian Association
|
| KOB | State College | NM | New Mexico College of Agriculture & Mechanic Arts
|
| KOE | Spokane | WA | Spokane Chronicle
|
| KOG | Los Angeles | CA | Western Radio Electric Co.
|
| KON | San Diego | CA | Holzwasser (Inc.)
|
| KOP | Detroit | MI | Detroit Police Department
|
| KOQ | Modesto | CA | Modesto Evening News
|
| KPO | San Francisco | CA | Hale Bros.
|
| KQI | Berkeley | CA | University of California
|
| KQP | Hood River | OR | Blue Diamond Electric Co.
|
| KQT | Yakima | WA | Electric Power & Appliance Co.
|
| KQV | Pittsburgh | PA | Doubleday-Hill Elec. Co.
|
| KQW | San Jose | CA | Charles D. Herrold
|
| KQY | Portland | OR | Stubbs Electric Co.
|
| KRE | Berkeley | CA | Maxwell Electric Co.
|
| KSC | San Jose | CA | O. A. Hale & Co.
|
| KSD | St. Louis | MO | Post Dispatch
|
| KSL | San Francisco | CA | The Emporium
|
| KSS | Long Beach | CA | Prest & Dean Radio Research Laboratory
|
| KTW | Seattle | WA | First Presbyterian Church
|
| KUO | San Francisco | CA | Examiner Printing Co.
|
| KUS | Los Angeles | CA | City Dye Works & Laundry Co.
|
| KUY | El Monte | CA | Coast Radio Co.
|
| KVQ | Sacramento | CA | J. C. Hobrecht
|
| KWG | Stockton | CA | Portable Wireless Telephone Co.
|
| KWH | Los Angeles | CA | Los Angeles Examiner
|
| KXD | Modesto | CA | Herald Publishing Co.
|
| KXS | Los Angeles | CA | Braun Corp.
|
| KYF | San Diego | CA | Thearle Music Co.
|
| KYG | Portland | OR | Willard P. Hawley Jr.
|
| KYI | Bakersfield | CA | Alfred Harrell
|
| KYJ | Los Angeles | CA | Leo J. Meyberg Co.
|
| KYW | Chicago | IL | Westinghouse Electric & Manufacturing Co.
|
| KYY | San Francisco | CA | The Radio Telephone Shop
|
| KZC | Seattle | WA | Public Market and Market Stores Co.
|
| KZI | Los Angeles | CA | Irving S. Cooper
|
| KZM | Oakland | CA | Preston D. Allen
|
| KZN | Salt Lake City | UT | The Deseret News
|
| KZV | Wenatchee | WA | Wenatchee Battery & Motor Co.
|
| KZY | San Francisco | CA | Atlantic-Pacific Radio Supplies Co.
|
| WAAB | New Orleans | LA | Valdemar Jensen
|
| WAAC | New Orleans | LA | Tulane University
|
| WAAD | Cincinnati | OH | Ohio Mechanics Institute
|
| WAAE | St. Louis | MO | St. Louis Chamber of Commerce
|
| WAAF | Chicago | IL | Chicago Daily Drovers Journal
|
| WAAG | Shreveport | LA | Elliott Electric Co.
|
| WAAH | St. Paul | MN | Commonwealth Electric Co.
|
| WAAJ | Boston | MA | Eastern Radio Institute
|
| WAAK | Milwaukee | WI | Gimbel Bros.
|
| WAAL | Minneapolis | MN | Minnesota Tribune Co. & Anderson-Beamish Co.
|
| WAAM | Newark | NJ | I. R. Nelson Co.
|
| WAAN | Columbia | MO | University of Missouri
|
| WAAO | Charleston | WV | Radio Service Co.
|
| WAAP | Wichita | KS | Otto W. Taylor
|
| WAAQ | Greenwich | CT | New England Motor Sales Co.
|
| WAAR | Huntington | WV | Groves-Thorton Hardware Co.
|
| WAAS | Decatur | GA | Georgia Radio Co.
|
| WAAV | Athens | OH | Athens Radio Co.
|
| WAAW | Omaha | NE | Omaha Grain Exchange
|
| WAAX | Crafton | PA | Radio Service Corp.
|
| WAAY | Youngstown | OH | Yahrling-Rayner Piano Co.
|
| WAAZ | Emporia | KS | Hollister-Miller Motor Co.
|
| WAH | El Dorado | KS | Midland Refining Co.
|
| WBAA | West Lafayette | IN | Purdue University
|
| WBAB | Syracuse | NY | Andrew J. Potter
|
| WBAD | Minneapolis | MN | Sterling Electric Co. & Journal Printing. Co.
|
| WBAE | Peoria | IL | Bradley Polytechnic Institute
|
| WBAF | Moorestown | NJ | Fred M. Middleton
|
| WBAG | Bridgeport | PA | Diamond State Fibre Co.
|
| WBAH | Minneapolis | MN | The Dayton Co.
|
| WBAJ | Toledo | OH | Marshall-Gerkin Co.
|
| WBAM | New Orleans | LA | I. B. Rennysen
|
| WBAN | Paterson | NJ | Wireless Phone Corporation
|
| WBAO | Decatur | IL | James Milliken University
|
| WBAP | Fort Worth | TX | Wortham-Carter Publishing Co. (Star-Telegram)
|
| WBAQ | South Bend | IN | Myron Harmon (Y. M. C. A.)
|
| WBAU | Hamilton | OH | Republican Publishing Co.
|
| WBAV | Columbus | OH | Erner & Hopkins Co.
|
| WBAW | Marietta | OH | Marietta College
|
| WBAX | Wilkes-Barre | PA | John H. Stenger Jr.
|
| WBAY | New York | NY | American Telephone & Telegraph Co.
|
| WBAZ | Richmond | VA | Times-Dispatch Publishing Co.
|
| WBL | Anthony | KS | T. & H. Radio Co.
|
| WBS | Newark | NJ | D. W. May (Inc.)
|
| WBT | Charlotte | NC | Southern Radio Corp.
|
| WBU | Chicago | IL | City of Chicago
|
| WBZ | Springfield | MA | Westinghouse Electric & Manufacturing Co.
|
| WCAB | Newburgh | NY | Newburgh News Printing & Publishing Co.
|
| WCAC | Fort Smith | AR | John Fink Jewelry Co.
|
| WCAD | Canton | NY | St. Lawrence University
|
| WCAE | Pittsburgh | PA | Kaufmann & Baer Co.
|
| WCAG | New Orleans | LA | Daily States Publishing Co.
|
| WCAH | Columbus | OH | Entrekin Electric Co.
|
| WCAJ | University Place | NE | Nebraska Wesleyan University
|
| WCAK | Houston | TX | Alfred P. Daniel
|
| WCAL | Northfield | MN | St. Olaf College
|
| WCAM | Villanova | PA | Villanova College
|
| WCAN | Jacksonville | FL | Southeastern Radio Telephone Co.
|
| WCAO | Baltimore | MD | Sanders & Stayman Co.
|
| WCAP | Decatur | IL | Central Radio Service
|
| WCAQ | Defiance | OH | Tri-State Radio Manufacturing & Supply Co.
|
| WCAR | San Antonio | TX | Alamo Radio Electric Co.
|
| WCAS | Minneapolis | MN | Wm. Hood Dunwoody Institute
|
| WCAT | Rapid City | SD | South Dakota School of Mines
|
| WCAU | Philadelphia | PA | Philadelphia Radiophone Co.
|
| WCAV | Little Rock | AR | J. C. Dice Electric Co.
|
| WCAW | Quincy | IL | Quincy Herald & Quincy Electric Supply Co.
|
| WCAX | Burlington | VT | University of Vermont
|
| WCAY | Milwaukee | WI | Kesselman O'Driscoll Co.
|
| WCAZ | Quincy | IL | Robt. E. Compton & Quincy Whig-General
|
| WCE | Minneapolis | MN | Findley Electric Co.
|
| WCJ | New Haven | CT | A. C. Gilbert Co.
|
| WCK | St. Louis | MO | Stix-Baer-Fuller
|
| WCM | Austin | TX | University of Texas
|
| WCN | Worcester | MA | Clark University
|
| WCX | Detroit | MI | The Free Press
|
| WDAA | Nashville | TN | Ward-Belmont School
|
| WDAB | Portsmouth | OH | H. C. Summers & Son
|
| WDAC | Springfield | IL | Illinois Watch Co.
|
| WDAD | Lindsborg | KS | Wm. L. Harrison
|
| WDAE | Tampa | FL | Tampa Daily Times
|
| WDAF | Kansas City | MO | Kansas City Star
|
| WDAG | Amarillo | TX | J. Laurance Martin
|
| WDAH | El Paso | TX | Mine & Smelter Supply Co.
|
| WDAI | Syracuse | NY | Hughes Electrical Corp.
|
| WDAJ | College Park | GA | Atlanta & West Point R. R. Co.
|
| WDAK | Hartford | CT | The Courant
|
| WDAL | Jacksonville | FL | Florida Times-Union
|
| WDAN | Shreveport | LA | Glenwood Radio Corp.
|
| WDAO | Dallas | TX | Automotive Electric Co.
|
| WDAP | Chicago | IL | Mid West Radio Central (Inc.)
|
| WDAQ | Brownsville | PA | Hartman-Riker Electric & Machine Co.
|
| WDAR | Philadelphia | PA | Lit Bros.
|
| WDAS | Worcester | MA | Samuel A. Waite
|
| WDAT | Worcester | MA | Delta Electric Co.
|
| WDAU | New Bedford | MA | Slocum & Kilburn
|
| WDAV | Muskogee | OK | Muskogee Daily Phoenix
|
| WDAW | Atlanta | GA | Georgia Railway & Power Co.
|
| WDAX | Centerville | IA | First National Bank
|
| WDAY | Fargo | ND | Kenneth M. Hance
|
| WDM | Washington | DC | Church of the Covenant
|
| WDT | New York | NY | Ship Owners Radio Service
|
| WDV | Omaha | NE | John O. Yeiser Jr.
|
| WDY | Roselle Park | NJ | Radio Corporation of America
|
| WDZ | Tuscola | IL | James L. Bush
|
| WEAA | Flint | MI | Fallain & Lathrop
|
| WEAB | Fort Dodge | IA | Standard Radio Equipment Co.
|
| WEAC | Terre Haute | IN | Baines Electric Service Co.
|
| WEAD | Atwood | KS | Northwest Kansas Radio Supply Co.
|
| WEAE | Blacksburg | VA | Virginia Polytechnic Institute
|
| WEAF | New York | NY | Western Electric Co.
|
| WEAG | Edgewood | RI | Nichols-Hineline-Bassett Laboratory
|
| WEAH | Wichita | KS | Wichita Board of Trade & Lander Radio Co.
|
| WEAI | Ithaca | NY | Cornell University
|
| WEAJ | Vermillion | SD | University of South Dakota
|
| WEAK | St. Joseph | MO | Julius B. Abercrombie
|
| WEAM | North Plainfield | NJ | Borough of North Plainfield
|
| WEAN | Providence | RI | Shepard Co.
|
| WEAO | Columbus | OH | Ohio State University
|
| WEAP | Mobile | AL | Mobile Radio Co.
|
| WEAQ | Berlin | NH | Young Men's Christian Association
|
| WEAR | Baltimore | MD | Baltimore American & News Publishing Co.
|
| WEAS | Washington | DC | Hecht Co.
|
| WEAT | Tampa | FL | John J. Fogarty
|
| WEAU | Sioux City | IA | Davidson Bros. Co.
|
| WEAV | Rushville | NE | Sheridan Electric Service Co.
|
| WEAW | Anderson | IN | Arrow Radio Laboratories
|
| WEAX | Little Rock | AR | T. J. M. Daly
|
| WEAY | Houston | TX | Will Horwitz Jr.
|
| WEAZ | Waterloo | IA | Donald Redmond
|
| WEB | St. Louis | MO | Benwood Co.
|
| WEH | Tulsa | OK | Midland Refining Co.
|
| WEV | Houston | TX | Hurlburt Still Electrical Co.
|
| WEW | St. Louis | MO | St. Louis University
|
| WEY | Wichita | KS | Cosradia Co.
|
| WFAA | Dallas | TX | A. H. Belo & Co.
|
| WFAB | Syracuse | NY | Carl F. Woese
|
| WFAC | Superior | WI | Superior Radio Co.
|
| WFAD | Salina | KS | Watson Weldon Motor Supply Co.
|
| WFAF | Poughkeepsie | NY | H. C. Spratley Co.
|
| WFAG | Waterford | NY | Radio Engineering Laboratory
|
| WFAH | Port Arthur | TX | Electric Supply Co.
|
| WFAJ | Asheville | NC | Hi-Grade Wireless Instrument Co.
|
| WFAK | Brentwood | MO | Domestic Electric Co.
|
| WFAL | Houston | TX | Houston Chronicle Publishing Co.
|
| WFAM | St. Cloud | MN | Times Publishing Co.
|
| WFAN | Hutchinson | MN | Hutchinson Electric Service Co.
|
| WFAP | Peoria | IL | Brown's Business College
|
| WFAQ | Cameron | MO | Missouri Wesleyan College & Cameron Radio Co.
|
| WFAR | Sanford | ME | Hall & Stubbs
|
| WFAS | Fort Wayne | IN | United Radio Corp.
|
| WFAT | Sioux Falls | SD | Daily Argus-Leader
|
| WFAU | Boston | MA | Edwin C. Lewis
|
| WFAV | Lincoln | NE | University of Nebraska dept. of elect. eng.
|
| WFAW | Miami | FL | Miami Daily Metropolis
|
| WFAX | Binghamton | NY | Arthur L. Kent
|
| WFAY | Independence | KS | Daniels Radio Supply Co.
|
| WFAZ | Charleston | SC | South Carolina Radio Shoop
|
| WFI | Philadelphia | PA | Strawbridge & Clothier
|
| WFO | Dayton | OH | Rike-Kumler Co.
|
| WGAB | Houston | TX | Q R V Radio Co.
|
| WGAC | Brooklyn | NY | Orpheum Radio Stores Co.
|
| WGAD | Ensenada | PR | Spanish-American School of Radiotelegraphy
|
| WGAF | Tulsa | OK | Goller Radio Service
|
| WGAH | New Haven | CT | New Haven Electric Co.
|
| WGAJ | Shenandoah | IA | W. H. Cass
|
| WGAK | Macon | GA | Macon Electric Co.
|
| WGAL | Lancaster | PA | Lancaster Electric Supply & Construction Co.
|
| WGAM | Orangeburg | SC | Orangeburg Radio Equipment Co.
|
| WGAN | Pensacola | FL | Cecil E. Lloyd
|
| WGAQ | Shreveport | LA | W. G. Patterson (Glenwood Radio Corp.)
|
| WGAR | Fort Smith | AR | Southwest American
|
| WGAS | Chicago | IL | Ray-Di-Co Organization
|
| WGAT | Lincoln | NE | American Legion Department of Nebraska
|
| WGAU | Wooster | OH | Marcus G. Limb
|
| WGAV | Savannah | GA | B-H Radio Co.
|
| WGAW | Altoona | PA | Ernest C. Albright
|
| WGAY | Madison | WI | North Western Radio Co.
|
| WGAZ | South Bend | IN | South Bend Tribune
|
| WGF | Des Moines | IA | The Register & Tribune
|
| WGI | Medford Hillside | MA | American Radio & Research Corp.
|
| WGL | Philadelphia | PA | Thomas F. J. Howlett
|
| WGR | Buffalo | NY | Federal Telephone & Telegraph Co.
|
| WGU | Chicago | IL | The Fair
|
| WGV | New Orleans | LA | Interstate Electric Co.
|
| WGY | Schenectady | NY | General Electric Co.
|
| WHA | Madison | WI | University of Wisconsin
|
| WHAA | Iowa City | IA | State University of Iowa
|
| WHAB | Galveston | TX | Clark W. Thompson (Follman's Dry Goods Co.)
|
| WHAC | Waterloo | IA | Cole Bros. Electric Co.
|
| WHAD | Milwaukee | WI | Marquette University
|
| WHAE | Sioux City | IA | Automotive Electric Service Co.
|
| WHAF | Pittsburgh | PA | Radio Electric Co.
|
| WHB | Kansas City | MO | Sweeney School Co.
|
| WHD | Morgantown | WV | West Virginia University
|
| WHK | Cleveland | OH | Warren R. Cox
|
| WHN | Ridgewood | NY | Ridgewood Times Printing & Publishing Co.
|
| WHQ | Rochester | NY | Rochester Times-Union
|
| WHU | Toledo | OH | Wm. B. Duck Co.
|
| WHW | East Lansing | MI | Stuart W. Seeley
|
| WIK | McKeesport | PA | K. & L. Electric Co.
|
| WIL | Washington | DC | Continental Electrical Supply Co.
|
| WIP | Philadelphia | PA | Gimbel Brothers
|
| WIZ | Cincinnati | OH | Cino Radio Manufacturing. Co.
|
| WJD | Granville | OH | Richard H. Howe
|
| WJH | Washington | DC | White & Boyer Co.
|
| WJK | Toledo | OH | Service Radio Equipment Co.
|
| WJT | Erie | PA | Electric Equipment Co.
|
| WJX | New York | NY | De Forest Radio Telephone & Telegraph Co.
|
| WJZ | Newark | NJ | Westinghouse Electric & Manufacturing Co.
|
| WKC | Baltimore | MD | Joseph M. Zamoiski Co.
|
| WKN | Memphis | TN | Riechman-Crosby Co.
|
| WKY | Oklahoma City | OK | Oklahoma Radio Shop
|
| WLB | Minneapolis | MN | University of Minnesota
|
| WLK | Indianapolis | IN | Hamilton Manufacturing Co.
|
| WLW | Cincinnati | OH | Crosley Manufacturing Co.
|
| WMB | Auburn | ME | Auburn Electrical Co.
|
| WMC | Youngstown | OH | Columbia Radio Co.
|
| WMH | Cincinnati | OH | Precision Equipment Co.
|
| WMU | Washington | DC | Doubleday-Hill Electric Co.
|
| WNJ | Albany | NY | Shotton Radio Manufacturing Co.
|
| WNO | Jersey City | NJ | Wireless Telephone Co. of Hudson County N. J.
|
| WOC | Davenport | IA | Palmer School of Chiropractic
|
| WOE | Akron | OH | Buckeye Radio Service Co.
|
| WOH | Indianapolis | IN | Hatfield Electric Co.
|
| WOI | Ames | IA | Iowa State College
|
| WOK | Pine Bluff | AR | Pine Bluff Co.
|
| WOO | Philadelphia | PA | John Wanamaker
|
| WOQ | Kansas City | MO | Western Radio Co.
|
| WOR | Newark | NJ | L. Bamberger & Co.
|
| WOS | Jefferson City | MO | Missouri State Marketing Bureau
|
| WOU | Omaha | NE | Metropolitan Utilities District
|
| WOZ | Richmond | IN | Palladium Printing Co.
|
| WPA | Fort Worth | TX | Fort Worth Record
|
| WPE | Kansas City | MO | Central Radio Co.
|
| WPG | New Lebanon | OH | Nushawg Poultry Farm
|
| WPI | Clearfield | PA | Electric Supply Co.
|
| WPJ | Philadelphia | PA | St. Joseph's College
|
| WPL | Zanesville | OH | Fergus Electric Co.
|
| WPM | Washington | DC | Thomas J. Williams
|
| WPO | Memphis | TN | United Equipment Co.
|
| WRK | Hamilton | OH | Doron Bros. Elec. Co.
|
| WRL | Schenectady | NY | Union College
|
| WRM | Urbana | IL | University of Illinois
|
| WRP | Camden | NJ | Federal Institute of Radio Telegraphy
|
| WRR | Dallas | TX | City of Dallas Police & Fire Signal Department
|
| WRW | Tarrytown | NY | Tarrytown Radio Research Laboratory
|
| WSB | Atlanta | GA | Atlanta Journal
|
| WSL | Utica | NY | J. & M. Electric Co.
|
| WSN | Norfolk | VA | Ship Owners Radio Service
|
| WSV | Little Rock | AR | L. M. Hunter & G. L. Carrington
|
| WSX | Erie | PA | Erie Radio Co.
|
| WSY | Birmingham | AL | Alabama Power Co.
|
| WTG | Manhattan | KS | Kansas State Agricultural College
|
| WTK | Paris | TX | Paris Radio Electric Co.
|
| WTP | Bay City | MI | George M. McBride
|
| WWB | Canton | OH | Daily News Printing Co.
|
| WWI | Dearborn | MI | Ford Motor Co.
|
| WWJ | Detroit | MI | Detroit News
|
| WWL | New Orleans | LA | Loyola University
|
| WWT | Buffalo | NY | McCarthy Bros. & Ford
|
| WWZ | New York | NY | John Wanamaker
|