| Station Id | Place - Station name | Country | Status | Last Signal (UTC) | Availability | Max Distance (nm) | Average Distance (nm) | Area (square km) | |||
| 263 | UA_Izmail_HAMRADIO (TEST_MODE) | UA | ONLINE | 2013-06-19 03:46 | 94.9% | 15.64 | 4.78 | 1230 | Details & Statistics | Coverage Map | |
| 234 | Ucluelet | CA | ONLINE | 2013-06-19 03:47 | 99.9% | 133.47 | 60.81 | 6396 | Details & Statistics | Coverage Map | |
| 1325 | UCSB, Santa Barbara, CA | US | ONLINE | 2013-06-19 03:47 | 99.9% | 65.44 | 18.9 | 3198 | Details & Statistics | Coverage Map | |
| 981 | UCSD, San Diego | US | ONLINE | 2013-06-19 03:47 | 94.7% | 148.18 | 43.45 | 4428 | Details & Statistics | Coverage Map | |
| 352 | Uddevalla | SE | ONLINE | 2013-06-19 03:46 | 75.9% | 38.31 | 16.67 | 2214 | Details & Statistics | Coverage Map | |
| 428 | Ulvon | SE | OFFLINE | 2013-06-17 13:03 | 81.7% | Details & Statistics | Coverage Map | ||||
| 1582 | Ulyanovsk | RU | ONLINE | 2013-06-19 03:47 | 95.3% | 33.77 | 19.44 | 1107 | Details & Statistics | Coverage Map | |
| 1646 | Um Qasr | IQ | OFFLINE | 2013-06-12 07:57 | 38.7% | Details & Statistics | Coverage Map | ||||
| 553 | Umricam | IE | ONLINE | 2013-06-19 03:46 | 72.1% | 21.48 | 12.93 | 369 | Details & Statistics | Coverage Map | |
| 1716 | Urk - klkramer | NL | ONLINE | 2013-06-19 03:47 | 91.8% | 34.62 | 5.3 | 2214 | Details & Statistics | Coverage Map | |
| 1714 | Urk - Marissa | NL | OFFLINE | 2013-06-08 07:32 | 14.4% | Details & Statistics | Coverage Map | ||||
| 1046 | Ushuaia | AR | OFFLINE | 2013-06-19 03:19 | 96.7% | 29.64 | 9.09 | 492 | Details & Statistics | Coverage Map | |
| 725 | UT5JCP Sevastopol | UA | OFFLINE | 2013-05-31 14:10 | 49.7% | Details & Statistics | Coverage Map | ||||
| 821 | Uto | FI | OFFLINE | 2013-06-19 03:18 | 96.8% | 36.7 | 9.27 | 1353 | Details & Statistics | Coverage Map | |
| 619 | UTRECHT | NL | ONLINE | 2013-06-19 03:47 | 92.9% | 22.13 | 3.9 | 2214 | Details & Statistics | Coverage Map | |
| 287 | UU4JLM_Partenit Crimea | UA | ONLINE | 2013-06-19 03:47 | 66.5% | 35.57 | 15.53 | 3444 | Details & Statistics | Coverage Map |