UF4S — FT8 station from European Russia
Amateur radio station UF4S operating from European Russia (grid square JO73). 5,328 FT8 spots received at SO8OO WebSDR, 3,958 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 13 days, best SNR +24 dB. Heard between 2026-05-22 and 2026-08-06.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
5,328
Total spots
3,958
CQ calls
13
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-05-22
Last seen: 2026-08-06 10:49 UTC
Last seen: 2026-08-06 10:49 UTC
Frequent QSO partners observed at SO8OO
Stations UF4S worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | UF4S | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 08-06 12:48 | 20m | -18 / - | SP1ZMO | - / - | 2 | Partial |
| 07-04 21:53 | 80m | -14 / -12 | M9NTS | +3 / - | 3 | ✓ Verified |
| 07-04 21:47 | 80m | 0 / -16 | SP9MOA | +9 / - | 3 | ✓ Verified |
| 07-04 21:43 | 80m | +3 / -8 | IW5DNZ | +10 / -7 | 5 | ✓ Complete |
| 07-04 21:41 | 80m | +5 / -1 | R3KJF | +12 / -1 | 5 | ✓ Complete |
| 07-04 21:38 | 80m | - / -4 | RZ6LE | +10 / - | 2 | ✓ Confirmed |
| 07-04 21:36 | 80m | +9 / +1 | RN2F | +10 / +6 | 5 | ✓ Complete |
| 07-04 21:21 | 80m | - / -14 | PR2EG | -2 / - | 4 | ✓ Confirmed |
| 07-04 21:10 | 80m | -9 / -10 | G4DBW | +10 / - | 3 | ✓ Verified |
| 07-04 21:06 | 80m | - / -18 | VK8DR | +8 / - | 3 | ✓ Confirmed |
| 07-04 21:03 | 80m | - / -9 | RK4HS | -1 / - | 2 | ✓ Confirmed |
| 07-04 20:58 | 80m | -6 / -6 | SP5PDA | 0 / -3 | 4 | ✓ Complete |
| 07-04 20:55 | 80m | +16 / -6 | YU7AS | +4 / -5 | 5 | ✓ Complete |
| 07-04 20:54 | 160m | +3 / - | R7CD | - / - | 3 | Partial |
| 07-04 20:40 | 80m | +12 / +1 | UA3IHJ | -20 / -7 | 5 | ✓ Complete |
| 07-04 20:29 | 80m | -10 / - | R4HLO/P | - / - | 8 | Partial |
| 07-04 20:24 | 80m | -2 / -3 | R7CD | -20 / -6 | 4 | ✓ Complete |
| 07-04 20:19 | 80m | -8 / - | 9A3MKK | -19 / -15 | 3 | ✓ Verified |
| 07-04 20:15 | 80m | -22 / -5 | R1BGR | +7 / - | 3 | ✓ Verified |
| 07-04 20:13 | 80m | -17 / - | LA1HW | - / - | 2 | Partial |
| 07-04 20:13 | 80m | +1 / -3 | R3BDQ | +9 / -7 | 5 | ✓ Complete |
| 07-04 20:11 | 80m | - / -2 | RD3MF | +6 / - | 2 | ✓ Confirmed |
| 07-04 20:10 | 80m | +6 / -4 | IV3GHY | +8 / +5 | 6 | ✓ Complete |
| 07-04 20:08 | 80m | - / -12 | JA5AQC | +8 / - | 2 | ✓ Confirmed |
| 07-04 20:02 | 80m | - / -6 | UK8FCM | +4 / - | 2 | ✓ Confirmed |
| 07-04 20:00 | 80m | +8 / -13 | SP5DRK | +6 / +8 | 5 | ✓ Complete |
| 07-04 19:57 | 80m | - / -17 | LA1HW | +6 / - | 4 | ✓ Confirmed |
| 07-04 19:47 | 80m | -17 / -2 | RK6OV | +4 / - | 4 | ✓ Verified |
| 07-04 19:46 | 80m | - / - | UB3DRL | +3 / - | 2 | ✓ Confirmed |
| 07-04 19:44 | 80m | - / -14 | JH2VVH | +2 / - | 2 | Partial |
| 07-04 19:38 | 80m | - / -12 | RV9CD | -2 / - | 2 | ✓ Confirmed |
| 07-04 19:31 | 80m | +5 / - | US1EA | -4 / - | 6 | ✓ Complete |
| 07-04 19:30 | 80m | +10 / - | R4FV | 0 / - | 2 | ✓ Verified |
| 07-04 19:27 | 80m | -3 / - | R3PBA | - / - | 2 | Partial |
| 07-04 19:27 | 80m | +3 / - | R4FV | - / -10 | 2 | Partial |
| 07-04 19:27 | 80m | -20 / -5 | RA4ADF | +5 / - | 4 | ✓ Verified |
| 07-04 19:25 | 80m | +2 / - | R1TAX | - / - | 2 | Partial |
| 07-04 19:15 | 80m | - / -4 | R4SCQ | -1 / - | 2 | ✓ Confirmed |
| 07-04 19:12 | 80m | -1 / -18 | DH1NSP | 0 / -1 | 4 | ✓ Complete |
| 07-04 19:08 | 80m | -6 / -1 | RA3LJ | 0 / -5 | 4 | ✓ Complete |
| 07-04 19:06 | 80m | - / -11 | R3YBG | +5 / - | 2 | ✓ Confirmed |
| 07-04 19:04 | 80m | 0 / +2 | UA4FOH | +7 / -5 | 4 | ✓ Complete |
| 07-04 19:03 | 80m | - / -6 | UB4CLH | -2 / - | 2 | ✓ Confirmed |
| 07-04 19:01 | 80m | 0 / -10 | EW7DT | +5 / -15 | 4 | ✓ Complete |
| 07-04 18:49 | 80m | -18 / - | IK6BMU | - / - | 2 | Partial |
| 07-04 18:47 | 80m | -4 / -3 | UG4I | 0 / -3 | 6 | ✓ Complete |
| 07-04 18:46 | 80m | -16 / -3 | RC3C | +2 / - | 4 | ✓ Complete |
| 07-04 17:28 | 20m | +6 / - | IW4DV | - / +9 | 3 | ✓ Confirmed |
| 07-04 14:54 | 20m | -18 / - | PA0GSP | - / - | 2 | Partial |
| 07-04 14:33 | 20m | - / -8 | UA3WG | -20 / - | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 143200 -20 1539 CQ UF4S LO45 (x2) 143300 -21 1539 UA3WG UF4S -08 (x2) 143430 -24 1539 UB6LLI UF4S -17 144615 -24 1718 UF4S F6CAX JO00 145415 -19 1538 UF4S PA0GSP JO21 (x2) 172845 +6 2915 UF4S IW4DV JN54 (x3) 035200 -24 1798 CQ UF4S LO45 (x2) 124830 -19 1404 UF4S SP1ZMO JO73 (x2)
80m
UTC dB Freq Message 215445 -14 1090 UF4S M9NTS 73 215530 +6 1756 CQ UF4S LO45 (x13) 235045 -4 1756 UF4S SP9JMZ JO90
160m
UTC dB Freq Message 223430 +1 1582 CQ UF4S LO45 (x9) 223930 -2 1582 UA3ECJ UF4S -03 223945 -4 1725 UF4S UA3ECJ R+07 (x2) 205415 +4 1177 UF4S R7CD KN94 (x3)
40m
UTC dB Freq Message 003200 -9 1216 CQ UF4S LO45 (x12) 220430 +1 1622 G0TIX UF4S -07 (x2) 220615 -24 1732 UF4S MM0HVU -09
10m
UTC dB Freq Message 073745 -15 1479 UF4S R2HB KO85 073800 -8 1645 CQ UF4S LO45 073815 -13 1646 UF4S UA6AFS LN05 073830 -20 1645 YL3CW UF4S -12 073845 -15 2514 UF4S YL3CW R-11 073900 -15 1645 YL3CW UF4S RR73 073930 -13 1645 CQ UF4S LO45 074100 -16 1645 UA6AFS UF4S 73 074130 -15 1645 CQ UF4S LO45 (x7)