RU4B — FT8 station from European Russia
Amateur radio station RU4B operating from European Russia (grid square LN28). 479 FT8 spots received at SO8OO WebSDR, 173 CQ calls, active on 80m, 40m, 20m, over 18 days, best SNR +17 dB. Heard between 2026-04-21 and 2026-05-13.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
479
Total spots
173
CQ calls
18
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-04-21
Last seen: 2026-05-13 18:03 UTC
Last seen: 2026-05-13 18:03 UTC
Frequent QSO partners observed at SO8OO
Stations RU4B worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RU4B | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-13 19:56 | 80m | -20 / - | RA6FYL | -12 / - | 3 | ✓ Verified |
| 05-13 19:54 | 80m | +6 / - | PA3GDY | - / -18 | 2 | ✓ Confirmed |
| 05-13 19:50 | 80m | -1 / - | EA3A | - / -14 | 3 | ✓ Confirmed |
| 05-13 19:47 | 80m | -3 / - | OE8PIT | -14 / -11 | 3 | ✓ Verified |
| 05-13 19:45 | 80m | -14 / -7 | R3IDH | -13 / - | 5 | ✓ Complete |
| 05-13 19:41 | 80m | -11 / - | R6ZW | - / - | 2 | ✓ Confirmed |
| 05-13 19:37 | 80m | - / - | RW9CZ | -12 / - | 2 | ✓ Confirmed |
| 05-12 19:48 | 80m | +6 / - | ER3DX | -9 / - | 4 | ✓ Verified |
| 05-12 19:46 | 80m | +8 / -15 | SP9RHN | -12 / +1 | 6 | ✓ Complete |
| 05-12 19:45 | 80m | +6 / - | <...> | -14 / -1 | 2 | Partial |
| 05-12 19:40 | 80m | -15 / -11 | R6DUW | -9 / - | 4 | ✓ Verified |
| 05-12 19:38 | 80m | - / -5 | SM5KNV | -12 / - | 2 | ✓ Confirmed |
| 05-12 19:36 | 80m | - / -9 | RM9X | -8 / - | 3 | ✓ Confirmed |
| 05-12 19:09 | 40m | - / - | AO1RKB | -12 / - | 2 | ✓ Confirmed |
| 05-12 19:08 | 40m | +11 / - | SP1KP | - / -5 | 2 | ✓ Confirmed |
| 05-12 19:01 | 40m | +2 / -7 | IT9FEG | -14 / -5 | 3 | ✓ Complete |
| 05-12 18:55 | 40m | - / -23 | IQ8TJ | -14 / - | 3 | ✓ Confirmed |
| 05-12 18:54 | 40m | - / -26 | RU1QD | -16 / - | 2 | ✓ Confirmed |
| 05-12 18:52 | 40m | - / -12 | BA5AW | -15 / - | 2 | ✓ Confirmed |
| 05-12 18:48 | 40m | -20 / -6 | R7FG | -12 / - | 5 | ✓ Verified |
| 05-12 18:46 | 40m | +4 / +1 | UA3ZUX | -11 / - | 4 | ✓ Complete |
| 05-12 18:35 | 40m | -5 / - | SV1ENG | - / +3 | 2 | ✓ Confirmed |
| 05-12 18:23 | 40m | +10 / - | DF8RU | - / -13 | 2 | ✓ Confirmed |
| 05-12 18:21 | 40m | +4 / -12 | S50XX | -13 / -19 | 6 | ✓ Complete |
| 05-12 18:19 | 40m | - / -9 | UF6VX | -10 / - | 2 | Partial |
| 05-12 18:15 | 40m | -12 / - | EK1KE | - / -15 | 2 | Partial |
| 05-11 19:38 | 80m | -20 / - | UB3IBG | - / - | 2 | ✓ Confirmed |
| 05-11 12:40 | 20m | +1 / -18 | R3NC | +8 / -7 | 7 | ✓ Complete |
| 05-11 12:38 | 20m | - / -16 | RY3F | +6 / - | 3 | ✓ Confirmed |
| 05-11 12:37 | 20m | - / - | EW6DM/P | +6 / - | 2 | Partial |
| 05-11 12:36 | 20m | - / -10 | <...> | +10 / - | 2 | Partial |
| 05-11 12:33 | 20m | - / - | RC4I | +13 / - | 2 | Partial |
| 05-11 12:29 | 20m | - / -16 | <...> | +14 / - | 2 | Partial |
| 05-11 08:15 | 20m | +11 / -24 | HB9FMC | -14 / - | 3 | Partial |
| 05-11 08:13 | 20m | -22 / -7 | PD0RWH | -8 / - | 4 | ✓ Verified |
| 05-11 08:11 | 20m | - / -10 | RZ7KR | -4 / - | 4 | ✓ Confirmed |
| 05-11 06:23 | 20m | -12 / - | <...> | -4 / -3 | 4 | Partial |
| 05-09 20:45 | 80m | +7 / -9 | SQ8BWA | +2 / +7 | 3 | ✓ Complete |
| 05-09 20:42 | 80m | +12 / - | SP3HUU | - / -8 | 2 | ✓ Confirmed |
| 05-09 20:38 | 80m | -14 / - | R2BNC | - / -1 | 2 | ✓ Confirmed |
| 05-08 15:26 | 20m | +10 / - | EA2DR | - / -4 | 3 | Partial |
| 05-08 15:21 | 20m | -9 / - | CT3MD | -20 / -5 | 5 | ✓ Verified |
| 05-08 15:18 | 20m | - / - | <...> | -14 / - | 3 | Partial |
| 05-06 08:23 | 20m | - / -22 | <...> | +6 / - | 10 | Partial |
| 05-06 06:58 | 20m | -8 / -22 | <...> | -10 / -6 | 12 | Partial |
| 05-06 06:51 | 20m | -13 / - | <...> | -8 / -11 | 3 | Partial |
| 05-04 20:20 | 80m | -6 / -5 | RP81UAI | -10 / - | 5 | Partial |
| 05-04 20:17 | 80m | +1 / -3 | RN4AQ | -16 / -5 | 5 | ✓ Complete |
| 05-04 20:15 | 80m | - / - | RP81MM | -18 / - | 3 | Partial |
| 05-04 20:11 | 80m | -6 / -1 | <...> | -16 / -5 | 3 | Partial |
Station Log
80m
UTC dB Freq Message 194630 -14 2581 R3IDH RU4B 73 194730 -14 2582 OE8PIT RU4B LN28 194745 -3 303 RU4B OE8PIT -11 (x2) 194945 +2 2153 RU4B OM1II +02 195045 -1 2647 RU4B EA3A JN01 (x3) 195415 +5 933 RU4B PA3GDY -18 (x2) 195615 -14 2581 RA6FYL RU4B LN28 (x2) 195830 -20 2004 RU4B RA6FYL 73 200115 -12 2580 DK9MLA RU4B LN28 200315 -13 2580 CQ RU4B LN28 a1
40m
UTC dB Freq Message 185430 -16 2587 RU1QD RU4B 73 185530 -14 2586 IQ8TJ RU4B LN28 (x3) 185945 -7 2503 RU4B RC6OT +09 190115 +2 494 RU4B IT9FEG -05 190130 -14 2587 IT9FEG RU4B R-07 190145 +1 494 RU4B IT9FEG RR73 190415 -11 2589 RU4B R6OAG RR73 190545 -12 2541 RU4B RA3FD -08 190800 +12 2802 RU4B SP1KP -05 (x2) 190945 -13 2586 AO1RKB RU4B LN28 191100 -6 785 RU4B RR73; UT5ED <...> -04 191115 -11 2586 AO1RKB RU4B 73
20m
UTC dB Freq Message 123745 +9 2830 EW6DM/P RU4B LN28 (x2) 123845 +6 2830 RY3F RU4B LN28 (x3) 124045 +7 2830 R3NC RU4B LN28 124100 +3 2603 RU4B R3NC -07 124115 +2 2830 R3NC RU4B R-18 124130 -1 2603 RU4B R3NC RR73 124145 +13 2830 R3NC RU4B 73 (x3) 124345 -1 2347 <...> RU4B R-05 124445 -2 2347 R3NCG RU4B LN28 124600 -1 2346 RC4I RU4B LN28