| City | State | Call | Licensee | Power | Freq in Kc. or groups |
|---|---|---|---|---|---|
| Akron | OH | W8XOY | Allen T. Simmons (WADC) | 100 | C |
| Alpine | NJ | W2XMN | Edwin H. Armstrong | 40000 | E |
| Alpine | NJ | W2XSN | Paul Godley | 1000 | 41800 |
| Baltimore | MD | W3XEY | Baltimore Radio Show (WFBR) | 100 | C |
| Baltimore | MD | W3XES | Monumental Radio Co. (WCAO) | 200 | C |
| Boston | MA | W1XKA | Westinghouse E. & M. Co. (WBZ) | 50 | C |
| Boston (TL: Sargents Purchase, N. H.) | MA | W1XER | Yankee Network | 500 | C |
| Boston (TL: Paxton, MA) | MA | W1XOJ | Yankee Network | 50000 | 41200 |
| Buffalo | NY | W8XH | WBEN Inc. | 100 | C |
| Charleston | WV | W8XNO | Charleston Broadcasting Co. (WCHS) | 50 | 26100 |
| Chattanooga | TN | W4XBW | WDOD Broadcasting Corp. | 100 | C |
| Chicago | IL | W9XBS | National Broadcasting Co. (WMAQ) | CP-100 | .. |
| Cincinnati | OH | W8XNU | The Crosley Corp. (WLW) | 1000 | 25950 |
| Cleveland | OH | W8XNT | Radio Air Service Corp. (WHK) | 50 | C |
| Dallas | TX | W5XD | A. H. Belo Corp. (WFAA) | 100 | C |
| Denver | CO | W9XLA | KLZ Broadcasting Co. | 100 | C |
| Detroit | MI | W8XWJ | Evening News Association (WWJ) | 500 | C |
| Harrisburg | IL | W9XTA | Schonert Radio Service | 500 | 26500 |
| Hartford | CT | W1XPW | WDRC Inc. | 1000 | 40300 |
| Kansas City | MO | W9XER | Midland Broadcasting Co. (KMBC) | 50 | C |
| Kansas City | MO | W9XA | Commercial Radio Equipment Co. | 1000 | 26450 |
| Los Angeles | CA | W6XDA | Columbia Broadcasting System (KNX) | 100 | C |
| Los Angeles | CA | W6XRE | Ben S. McGlashan (KGFJ) | 500 | E |
| Los Angeles | CA | W6XKG | Ben S. McGlashan (KGFJ) | 1000 | 25950 |
| Memphis | TN | W4XCA | Memphis Commercial Appeal Co. (WMC) | 250 | C |
| Minneapolis | MN | W9XHW | Columbia Broadcasting System (WCCO) | 50 | C |
| Minneapolis | MN | W9XTC | Minnesota Broadcasting Corp. (WTCN) | 150 | 26050 |
| Nashville | TN | W4XA | National Life & Accident Ins. Co. (WSM) | CP-1000 | C |
| New Bedford | MA | W1XEQ | E. Anthony & Sons (WNBH) | 100 | C |
| New York | NY | W2XDV | Columbia Broadcasting System (WABC) | 50 | C |
| New York | NY | W2XHG | National Broadcasting Co. (WEAF) | 150 | C |
| New York | NY | W2XJI | Bamberger Broadcasting Service (WOR) | 100 | 26300 |
| New York | NY | W2XDG | National Broadcasting Co. (WJZ) | 150 | 38650 |
| Norfolk | VA | W3XEX | WTAR Radio Corp. (WTAR) | 50 | 26050 |
| Oklahoma City | OK | W5XAU | WKY Radiophone Co. | 100 | C |
| Omaha | NE | W9XUY | Central States Broadcasting Co. (KOIL) | 100 | C |
| Philadelphia | PA | W3XIR | WCAU Broadcasting Co. | 100 | C |
| Pittsburgh | PA | W8XKA | Westinghouse E & M. Co. (KDKA) | 150 | C |
| Rochester | NY | W8XAI | Stromberg-Carlson Co. (WHAM) | 100 | C |
| South Bend | IN | W9XH | South Bend Tribune (WSBT) | 100 | 26050 |
| Springfield | MA | W1XKB | Westinghouse E & M Co. (WBZA) | 500 | C |
| St. Louis | MO | W9XPD | Pulitzer Publishing Co. (KSD) | 100 | C |
| St. Louis | MO | W9XOK | Star Times Publishing Co. (KTOK) | 100 | C |
| St. Paul | MN | W9XUP | National Battery Broadcasting Co. (KSTP) | 1000 | 26150 |
| Superior | WI | W9XJL | Head of the Lakes Broadcasting Co. (WEBC) | 250 | 26100 |
| Washington | DC | W3XO | Jansky & Bailey | 1000 | 40300 |