| 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 00:59 | 94.9% | 16.32 | 3.49 | 1353 | Details & Statistics | Coverage Map | |
| 234 | Ucluelet | CA | ONLINE | 2013-06-19 01:00 | 99.9% | 133.43 | 61.93 | 6888 | Details & Statistics | Coverage Map | |
| 1325 | UCSB, Santa Barbara, CA | US | ONLINE | 2013-06-19 01:01 | 99.9% | 90.88 | 26.88 | 3321 | Details & Statistics | Coverage Map | |
| 981 | UCSD, San Diego | US | ONLINE | 2013-06-19 01:01 | 94.7% | 611.74 | 41.15 | 4428 | Details & Statistics | Coverage Map | |
| 352 | Uddevalla | SE | ONLINE | 2013-06-19 00:59 | 75.9% | 42.16 | 19.55 | 2829 | 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 01:01 | 95.3% | 9.8 | 3.92 | 492 | 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 00:58 | 72.1% | 22.56 | 10.73 | 369 | Details & Statistics | Coverage Map | |
| 1716 | Urk - klkramer | NL | ONLINE | 2013-06-19 01:01 | 91.8% | 34.62 | 6.62 | 2460 | Details & Statistics | Coverage Map | |
| 1714 | Urk - Marissa | NL | OFFLINE | 2013-06-08 07:32 | 14.4% | Details & Statistics | Coverage Map | ||||
| 1046 | Ushuaia | AR | ONLINE | 2013-06-19 00:59 | 96.7% | 29.65 | 8.58 | 861 | Details & Statistics | Coverage Map | |
| 725 | UT5JCP Sevastopol | UA | OFFLINE | 2013-05-31 14:10 | 49.7% | Details & Statistics | Coverage Map | ||||
| 821 | Uto | FI | ONLINE | 2013-06-19 01:00 | 96.8% | 83.9 | 25.56 | 2214 | Details & Statistics | Coverage Map | |
| 619 | UTRECHT | NL | ONLINE | 2013-06-19 01:00 | 92.9% | 22.55 | 4.02 | 2091 | Details & Statistics | Coverage Map | |
| 287 | UU4JLM_Partenit Crimea | UA | OFFLINE | 2013-06-18 17:51 | 66.5% | 35.57 | 15.53 | 3444 | Details & Statistics | Coverage Map |