A WebSDR is a receiver connected to the internet that anyone can tune remotely, right from a web browser — no radio hardware required. Below are the US-based WebSDR stations currently listed on websdr.org, grouped by facility. Click any receiver name to open it.
| Receiver | Frequency Range | Antenna |
|---|---|---|
|
Corinne, Utah · grid DN31uo |
0.125 - 0.317 MHz | Omnidirectional E-Field whip at 6.5m |
| 0.318 - 2.564, 1.708 - 2.092, 3.366 - 4.134, 4.816 - 5.584, 6.741 - 7.509 MHz | TCI 530 Omni Log Periodic | |
|
Corinne, Utah · grid DN31vo |
9.994 - 29.818 MHz (multiple bands) | TCI 530 Omni Log Periodic |
| 49.916 - 50.684 MHz | 6m Ringo Ranger (Cushcraft AR6) at 42ft | |
|
Corinne, Utah · grid DN31to |
3.183 - 15.970 MHz (multiple bands) | TCI 530 Omni Log Periodic |
| 143.981 - 148.029 MHz | 5-element Yagi at 32ft, pointed south toward Salt Lake metro | |
|
Corinne, Utah · grid DN31so |
6.741 - 29.818 MHz (multiple bands) | Hy-Gain LP-1002 at 87° true — Eastern US, Africa, S. Europe |
|
Corinne, Utah · grid DN31wo |
9.994 - 29.818 MHz (multiple bands) | KLM 10-30-7LPA Log Periodic beam at 278° true — NW/Pacific/Asia |
|
Corinne, Utah · grid DN40cq |
145.708 - 146.092, 435.516 - 436.284 MHz | M2 EggBeater at 35ft |
| 143.976 - 450.036 MHz (multiple bands) | Discone at 35ft | |
|
Half Moon Bay, California · grid CM87tj |
3.316 - 28.682 MHz (multiple bands) | "Omni" (TCI 530) |
|
Half Moon Bay, California · grid CM87sj |
1.804 - 1.996 MHz | "SW" (TCI 532) |
| 24.844 - 29.721 MHz | "Omni" (TCI 530) | |
|
Half Moon Bay, California · grid CM87tk |
3.316 - 28.734 MHz (multiple bands) | TCI-527B @ 135° |
|
Half Moon Bay, California · grid CM87tj |
1.708 - 29.734 MHz (multiple bands) | TCI-527B @ 135° |
|
Washington, DC area · grid FM18JS |
0.000 - 2.048 MHz | Mini-Whip |
| 3.200 - 15.703 MHz (multiple bands) | Multiband Dipole with Q-Bit LNA preamp | |
| 20.888 - 29.009 MHz | Cushcraft R-7 with Q-Bit LNA preamp | |
|
Washington, DC area · grid FM18js |
0.000 - 30.000 MHz | Multi-band HF antenna |
|
Washington, DC area · grid FM18KS |
50.000 - 162.924 MHz (multiple bands) | Discone |
| 0.000 - 0.024 MHz | E-Field | |
|
Milford, Pennsylvania · grid FN21mh |
0.000 - 30.000 MHz | G5RV |
|
Warrenton, Virginia · grid FM18cr |
0.000 - 30.000 MHz | Multi-band HF antenna |
|
Santa Clarita, California · grid DM04RL |
-0.024 - 2.024 MHz | Wellbrook Active Loop |
| 3.038 - 7.661 MHz | Buckmaster DX-OCF-HP OCF Dipole at 17m with Q-Bit LNA | |
| 26.673 - 27.697 MHz | Force 12 8-Element Quad Bander (10/15/10/40m) at 17m | |
|
Gatesville, Texas · grid EM11dk |
0.462 - 1.998 MHz | Custom Active Loop |
| 3.126 - 5.174 MHz | 1:1 Isolated 67ft Wire | |
| 8.133 - 10.181 MHz | 30m Inverted Vee | |
| 26.711 - 28.759 MHz | MLA-30+ Active Loop | |
|
Maine · grid FN43SS |
3.276 - 5.324 MHz | Dipole at 50ft |
| 27.976 - 30.024 MHz | Dipole | |
|
Metairie, Louisiana · grid EM40wa |
7.154 - 7.346, 14.154 - 14.346 MHz | MFJ magnetic loop, 40ft tower and G5RV |
|
New Orleans, Louisiana · grid EM40wa |
14.154 - 14.346, 7.134 - 7.326, 462.088 - 463.112 MHz | 1886 Super HI loop G5RV with automatic switch |
| 3.789 - 3.981 MHz | Magnetic loop array of mini whips | |
|
Cleveland, Ohio · grid EN91JJ |
3.188 - 14.662 MHz (multiple bands) | Buckmaster OCF Multi-Band Dipole up 40ft |
|
Connecticut ("Quiet Corner") · grid FN31vu |
49.866 - 50.634 MHz | Delta Loop Turnstile, Horizontally Polarized Omni |
|
EM12ho grid · grid EM12ho |
0.476 - 7.878 MHz (multiple bands) | 75ft wire / 75ft long wire |
| 926.988 - 928.012 MHz | Not specified |
These are independently operated, volunteer-run receivers — if one is offline, try another. Full directory: websdr.org.