The following radio stations broadcast on AM frequency 840 kHz:[1] WHAS in Louisville is the dominant Class A station on 840 AM, which is a United States clear channel frequency.
In Argentina
- General Belgrano in Buenos Aires
- LT12 Gral Madariaga in Paso de los Libres, Corrientes
- LU2 in Bahia Blanca, Buenos Aires
- LV9 in Salta
In Canada
| Call sign | City of license | Daytime power (kW) | Nighttime power (kW) | Transmitter coordinates |
|---|---|---|---|---|
| CFCW | Camrose, Alberta | 50 | 40 | 52.961111°N 112.96°W |
| CKBX | 100 Mile House, British Columbia | 1 | 0.5 | 51.6697°N 121.291°W |
In Mexico
In the United States
Stations in bold are clear-channel stations.
| Call sign | City of license | Facility ID | Class | Daytime power (kW) | Nighttime power (kW) | Unlimited power (kW) | Transmitter coordinates |
|---|---|---|---|---|---|---|---|
| KDNF | Belen, New Mexico | 25528 | D | 1.8 | 0.03 | 35.008611°N 106.714444°W | |
| KKNX | Eugene, Oregon | 5390 | D | 1 | 0.17 | 44.081667°N 123.109444°W | |
| KMAX | Colfax, Washington | 13569 | B | 10 | 0.28 | 46.913889°N 117.324444°W | |
| KMPH | Modesto, California | 137401 | B | 5 | 5 | 37.709444°N 120.726111°W | |
| KPEN | Kenai, Alaska | 160571 | B | 5 | 1.9 | 60.30396°N 151.1612°W | |
| KSWB | Seaside, Oregon | 43580 | B | 1 | 0.5 | 45.981944°N 123.917222°W | |
| KTIC | West Point, Nebraska | 33880 | D | 5 | 41.784167°N 96.679444°W | ||
| KVJY | Pharr, Texas | 64629 | B | 5 | 1 | 26.316667°N 98.104444°W | |
| KWDF | Ball, Louisiana | 3641 | D | 8 | 31.377778°N 92.474167°W | ||
| KXNT | North Las Vegas, Nevada | 33068 | B | 50 | 25 | 36.398056°N 114.915833°W | |
| WBHY | Mobile, Alabama | 24453 | D | 10 | 30.763889°N 88.11°W | ||
| WCEO | Columbia, South Carolina | 54466 | D | 50 | 34.211667°N 80.834722°W | ||
| WHAS | Louisville, Kentucky | 11934 | A | 50 | 38.261111°N 85.428611°W | ||
| WHGH | Thomasville, Georgia | 25773 | D | 10 | 30.798333°N 83.939444°W | ||
| WKDI | Denton, Maryland | 4131 | D | 1 | 38.898056°N 75.852778°W | ||
| WKTR | Earlysville, Virginia | 73191 | D | 8.2 | 38.265833°N 78.414722°W | ||
| WPCO | Stroudsburg, Pennsylvania | 47423 | D | 0.25 | 40.973889°N 75.195278°W | ||
| WPGS | Mims, Florida | 73876 | D | 1 | 28.738889°N 80.883889°W | ||
| WRYM | New Britain, Connecticut | 26314 | D | 1 | 0.125 | 41.686111°N 72.729722°W | |
| WXEW | Yabucoa, Puerto Rico | 74206 | B | 5 | 1 | 18.049444°N 65.868611°W |