UA4SJB — FT8 station from European Russia
Amateur radio station UA4SJB operating from European Russia. 437 FT8 spots received at SO8OO WebSDR, 52 CQ calls, active on 80m, 40m, 20m, 10m, over 32 days, best SNR +25 dB. Heard between 2026-04-21 and 2026-06-09.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
437
Total spots
52
CQ calls
32
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-21
Last seen: 2026-06-09 17:41 UTC
Last seen: 2026-06-09 17:41 UTC
Frequent QSO partners observed at SO8OO
Stations UA4SJB worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | UA4SJB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-09 19:39 | 40m | -5 / - | DJ0MAB | - / -13 | 4 | ✓ Confirmed |
| 06-09 19:37 | 40m | -2 / - | RL2F | - / -16 | 2 | Partial |
| 06-09 19:36 | 40m | +3 / -13 | G6LEE | -15 / -15 | 5 | ✓ Complete |
| 06-09 19:34 | 40m | - / -16 | UB3DKH | -15 / - | 2 | ✓ Confirmed |
| 06-08 15:58 | 20m | +3 / -4 | UB8CPH | -10 / -13 | 3 | ✓ Complete |
| 06-08 08:43 | 20m | - / -21 | UD1I | +2 / - | 2 | ✓ Confirmed |
| 06-08 08:42 | 20m | -8 / - | G4CFS | - / - | 5 | Partial |
| 06-08 07:36 | 20m | - / -12 | R1DM | -10 / - | 2 | Partial |
| 06-08 07:19 | 20m | -8 / -13 | RI0SP | -17 / -12 | 5 | ✓ Complete |
| 06-08 06:44 | 20m | - / -14 | RI0SP | -7 / - | 2 | Partial |
| 06-08 06:38 | 20m | +6 / -18 | IK4TVP | -7 / -17 | 7 | ✓ Complete |
| 06-08 06:37 | 20m | - / -10 | R1TET | -16 / - | 2 | ✓ Confirmed |
| 06-08 06:36 | 20m | - / -7 | EW6CY | -10 / - | 2 | ✓ Confirmed |
| 06-07 16:14 | 20m | -8 / -15 | RW3TY | +7 / -18 | 5 | ✓ Complete |
| 06-06 06:12 | 20m | -13 / - | RZ3O | -16 / - | 2 | ✓ Verified |
| 06-06 06:06 | 20m | - / -13 | R9ZAH | -19 / - | 2 | ✓ Confirmed |
| 06-04 08:09 | 20m | +4 / -12 | RI0SP | -10 / -12 | 3 | ✓ Complete |
| 06-04 08:03 | 20m | - / -18 | UB3GCX | -12 / - | 2 | Partial |
| 06-01 09:19 | 20m | +3 / - | RN3QTS | -9 / -2 | 2 | ✓ Verified |
| 06-01 08:31 | 20m | -2 / - | RD4CC | -13 / -13 | 5 | ✓ Verified |
| 06-01 07:00 | 20m | +11 / - | R3KLE | - / +5 | 3 | ✓ Confirmed |
| 06-01 06:38 | 20m | +10 / - | R7ZS | - / -1 | 2 | ✓ Confirmed |
| 05-31 09:29 | 20m | +15 / - | IK4LZH | - / - | 2 | Partial |
| 05-31 09:27 | 20m | -9 / - | R1WAM | -13 / - | 2 | ✓ Verified |
| 05-31 09:21 | 20m | +7 / - | IK1MJK/P | - / - | 2 | Partial |
| 05-31 08:49 | 20m | - / -16 | RK1AA | -8 / - | 3 | Partial |
| 05-30 09:17 | 20m | -7 / - | RI0SP | -18 / - | 2 | ✓ Verified |
| 05-29 11:33 | 20m | +20 / -7 | R6JAG | -15 / -6 | 3 | ✓ Complete |
| 05-29 10:33 | 20m | - / -3 | UA9LLB | +5 / - | 2 | Partial |
| 05-29 10:27 | 20m | -1 / -9 | R2EA/P | -2 / -18 | 4 | ✓ Complete |
| 05-29 10:27 | 20m | -9 / -15 | RI0SP | +2 / - | 3 | ✓ Verified |
| 05-28 19:34 | 80m | -21 / - | RU4HU | - / +1 | 3 | ✓ Confirmed |
| 05-28 18:39 | 40m | -4 / - | OZ5THY | - / - | 2 | Partial |
| 05-28 18:38 | 40m | -7 / - | R4FAH | - / -2 | 3 | ✓ Confirmed |
| 05-27 12:34 | 20m | - / -9 | BG2FYO | -8 / - | 2 | Partial |
| 05-27 12:16 | 20m | -2 / +4 | UI5A | -10 / -1 | 4 | ✓ Complete |
| 05-27 12:15 | 20m | -14 / - | UA3RCW | -9 / -11 | 3 | ✓ Verified |
| 05-27 11:53 | 20m | - / -16 | R6ZI | -6 / - | 2 | Partial |
| 05-27 11:52 | 20m | -10 / - | RA6AR | - / +3 | 2 | ✓ Confirmed |
| 05-27 11:47 | 20m | -17 / -1 | R7OQ | -11 / - | 2 | ✓ Verified |
| 05-27 08:02 | 20m | - / -16 | UA1OKH | -4 / - | 2 | Partial |
| 05-27 07:56 | 20m | +24 / -5 | UA4FOH | +3 / -10 | 4 | ✓ Complete |
| 05-27 07:53 | 20m | -4 / -5 | R8LCP | -6 / -3 | 4 | ✓ Complete |
| 05-27 06:11 | 20m | -11 / -16 | RK6OQ | +4 / - | 3 | ✓ Verified |
| 05-26 16:41 | 20m | -16 / - | UA6YEX | - / - | 2 | ✓ Confirmed |
| 05-26 14:20 | 20m | - / -16 | YB5NHD | 0 / - | 2 | ✓ Confirmed |
| 05-26 14:18 | 20m | - / -15 | EX8ABR/P | -10 / - | 2 | ✓ Confirmed |
| 05-26 13:25 | 20m | +6 / - | R3NB | -2 / -14 | 3 | ✓ Verified |
| 05-26 13:19 | 20m | -20 / -11 | RA3LCI | +1 / - | 4 | ✓ Verified |
| 05-26 13:18 | 20m | -5 / - | R3NCG | -1 / -13 | 3 | ✓ Verified |
Station Log
40m
UTC dB Freq Message 193200 -16 1234 RL2F UA4SJB -11 193415 -15 2386 UB3DKH UA4SJB -16 (x2) 193515 -17 2387 CQ UA4SJB LO36 193600 +5 2387 UA4SJB G6LEE -15 (x3) 193715 -15 2389 G6LEE UA4SJB R-13 193715 +1 2230 UA4SJB RL2F R-16 (x2) 193800 +0 2389 UA4SJB G6LEE RR73 193945 +3 2376 UA4SJB DJ0MAB JN49 (x4)
20m
UTC dB Freq Message 084130 -9 2157 CQ UA4SJB LO36 084145 +1 1079 UA4SJB M0IOY IO93 084200 -6 2157 CQ UA4SJB LO36 084215 -8 2691 UA4SJB G4CFS IO91 (x2) 084300 +5 2157 UD1I UA4SJB -21 084315 -5 2690 UA4SJB G4CFS IO91 084330 -1 2157 UD1I UA4SJB RR73 084345 -8 2690 UA4SJB G4CFS IO91 (x2) 134315 -7 2058 CQ UA4SJB LO36 155445 -14 2113 <...> UA4SJB -02 155800 -10 1410 UB8CPH UA4SJB -04 155815 +6 2904 UA4SJB UB8CPH R-13 (x2)
80m
UTC dB Freq Message 191030 +18 1852 UA4SJB EW2ZC R-18 (x3) 191430 -3 1852 UA4SJB RA6OD R-18 192615 -8 1854 UA4SJB RY4ABB 73 184600 +4 879 UA4SJB 9A60CBM R-15 185015 -6 1983 UA4SJB UA6F R-11 (x2) 185730 -14 427 UA4SJB <RA25LI> R-12 (x2) 195245 -21 798 UA4SJB R4PF R+00 (x2) 193445 -20 1844 UA4SJB RU4HU LO43 (x3)
10m
UTC dB Freq Message 091230 -3 1264 UA4SJB RL7Z KN98 (x2) 091315 -20 2015 RL7Z UA4SJB RR73 091330 +2 1263 UA4SJB RL7Z 73 091415 -19 2015 R8LCA UA4SJB -22 092245 +9 2704 UA4SJB R6OD R-09 (x2) 092645 -18 2414 RZ5D UA4SJB R-15 (x2) 093315 +5 825 UA4SJB RC6OZ R-08 (x2) 094100 -2 2118 UA4SJB R6DOB 73 094100 +6 2260 UA4SJB R6ML LN17 (x3)