RU4F — FT8 station from European Russia
Amateur radio station RU4F operating from European Russia. 266 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 25 days, best SNR +26 dB. Heard between 2026-04-23 and 2026-07-16.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
266
Total spots
0
CQ calls
25
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-23
Last seen: 2026-07-16 03:54 UTC
Last seen: 2026-07-16 03:54 UTC
Frequent QSO partners observed at SO8OO
Stations RU4F worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RU4F | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-16 06:24 | 20m | - / -15 | TI5RR | -1 / - | 3 | ✓ Confirmed |
| 07-16 05:47 | 20m | -16 / - | UA3ZMQ | - / -5 | 2 | ✓ Confirmed |
| 07-13 18:57 | 40m | - / -14 | CR7BRV | -8 / - | 2 | ✓ Confirmed |
| 07-13 18:54 | 40m | - / -17 | BD7OH | -7 / - | 3 | Partial |
| 07-13 18:52 | 40m | - / -8 | RI1PC | -4 / - | 3 | ✓ Confirmed |
| 07-13 18:45 | 80m | - / - | JA7GLO | +2 / - | 3 | Partial |
| 07-13 18:41 | 80m | -10 / -16 | JE2EBT | +6 / - | 4 | ✓ Verified |
| 07-13 18:39 | 80m | -8 / -12 | DO2RG | +9 / -2 | 3 | Partial |
| 07-13 18:38 | 80m | - / -19 | UA1RC | +3 / - | 2 | ✓ Confirmed |
| 07-13 18:36 | 80m | +14 / -6 | S59A | +5 / -3 | 5 | ✓ Complete |
| 07-13 18:32 | 80m | -16 / - | LZ2RR | 0 / -2 | 3 | Partial |
| 07-13 18:28 | 80m | - / -1 | R4KR | -14 / - | 2 | ✓ Confirmed |
| 07-13 18:25 | 80m | -6 / -12 | R7NO | -9 / -3 | 5 | ✓ Complete |
| 07-13 18:23 | 80m | +4 / -14 | RX6DA | -12 / -9 | 4 | ✓ Complete |
| 07-13 18:20 | 80m | - / - | JE2EBT | -16 / - | 2 | Partial |
| 07-13 18:18 | 80m | - / -6 | UB0SMX | -17 / - | 3 | ✓ Confirmed |
| 07-13 18:10 | 80m | - / -6 | T22TT | -5 / - | 3 | ✓ Confirmed |
| 07-13 16:48 | 40m | - / -9 | R8KBH | -14 / - | 2 | ✓ Confirmed |
| 07-13 16:05 | 40m | -8 / - | IW4DV | - / -5 | 2 | ✓ Confirmed |
| 07-13 16:03 | 40m | 0 / - | RT6Z | - / -1 | 2 | ✓ Confirmed |
| 07-13 15:59 | 40m | - / -8 | RI1PC | -12 / - | 3 | ✓ Confirmed |
| 07-08 05:09 | 20m | -9 / - | UA4COA | - / -13 | 2 | ✓ Confirmed |
| 07-08 04:54 | 20m | -12 / - | R6YG | - / -8 | 2 | ✓ Confirmed |
| 07-02 20:19 | 80m | -1 / -12 | DL4BBY | +2 / -13 | 7 | ✓ Complete |
| 07-02 20:16 | 80m | -18 / -5 | OH5WWA | -10 / +7 | 4 | ✓ Complete |
| 07-02 20:16 | 80m | +24 / -5 | 3Z6I | -4 / +10 | 5 | ✓ Complete |
| 07-02 20:14 | 80m | +4 / -8 | IT9VCE | -1 / +1 | 4 | ✓ Complete |
| 07-02 20:12 | 80m | +4 / -7 | OM4KK | -3 / -4 | 5 | ✓ Complete |
| 07-02 20:07 | 80m | -2 / -8 | OP0WWA | -4 / -13 | 6 | ✓ Complete |
| 07-02 20:06 | 80m | +4 / -4 | EU4U | +6 / -9 | 7 | ✓ Complete |
| 07-02 20:04 | 80m | - / -17 | HB9EXN | +8 / - | 2 | Partial |
| 07-02 20:00 | 80m | - / - | RA1QEA | +2 / - | 2 | Partial |
| 07-02 19:59 | 80m | - / -3 | R4SCQ | +5 / - | 5 | Partial |
| 07-02 19:58 | 80m | -5 / -15 | PA4CC | +4 / -5 | 3 | ✓ Complete |
| 07-02 19:53 | 80m | - / -2 | UA9ZZ | +5 / - | 6 | ✓ Confirmed |
| 07-02 19:52 | 80m | +7 / -2 | R3BDQ | +1 / - | 3 | ✓ Verified |
| 07-02 19:51 | 80m | -20 / - | JA5MHD | +5 / -8 | 3 | ✓ Verified |
| 07-02 19:50 | 80m | - / -9 | II6WWA | -4 / - | 2 | Partial |
| 07-02 19:49 | 80m | +8 / -10 | 9A9N | 0 / -7 | 4 | ✓ Complete |
| 07-02 19:48 | 80m | -2 / -3 | 4Z5AV | +6 / - | 4 | ✓ Complete |
| 07-02 19:46 | 80m | -12 / -14 | SN0WWA | -2 / -16 | 5 | ✓ Complete |
| 07-02 19:43 | 80m | - / - | II6WWA | +3 / - | 3 | Partial |
| 07-02 19:41 | 80m | +6 / -10 | DK2CC | -6 / -5 | 5 | ✓ Complete |
| 07-02 19:39 | 80m | +19 / - | SN3WWA | -4 / - | 3 | ✓ Verified |
| 07-02 19:38 | 80m | -10 / - | SN0WWA | - / -15 | 2 | Partial |
| 07-02 19:36 | 80m | -24 / - | UA4NCX | - / -12 | 2 | ✓ Confirmed |
| 07-02 19:33 | 80m | -24 / -9 | JA0VSH | +2 / -10 | 3 | ✓ Complete |
| 07-02 19:30 | 80m | -23 / -11 | SV3CKF | 0 / -11 | 3 | ✓ Complete |
| 07-02 19:28 | 80m | -20 / -12 | SV1OML | +2 / -5 | 4 | ✓ Complete |
| 07-02 19:28 | 80m | - / +3 | R90PNR | +1 / - | 2 | Partial |
Station Log
20m
UTC dB Freq Message 050400 -14 798 RU4F UA4COA R-10 (x3) 134330 -13 2546 RU4F M0SCK 73 094930 -14 2493 RU4F ON3NR R-03 053945 -16 2356 RU4F RA9DZ 73 054700 -17 903 RU4F UA3ZMQ R-05 054730 -24 2014 RU4F RA3YAO KO73 054730 -16 903 RU4F UA3ZMQ 73 055400 -9 1773 RU4F <...> +00 061945 -9 2414 <RO2E/M> RU4F R-18 062045 -1 2414 <...> RU4F -12 062400 -4 2414 TI5RR RU4F -15 (x3)
40m
UTC dB Freq Message 164600 -12 2507 UA9KBC RU4F RR73 164800 -13 2506 RD9U RU4F RR73 164830 -12 2507 R8KBH RU4F -09 (x2) 184945 -3 506 TJ1GD/P RU4F -15 185245 -1 2506 RI1PC RU4F -08 (x3) 185415 -8 2506 BD7OH RU4F R-17 (x3) 185730 -9 2507 CR7BRV RU4F -14 (x2) 190030 -9 2506 BA4II RU4F RR73 190415 -10 2506 <...> RU4F -12
80m
UTC dB Freq Message 183715 +18 2058 RU4F S59A RR73 183730 +8 2472 S59A RU4F 73 183800 +5 2472 UA1RC RU4F R-19 (x2) 183915 -9 878 RU4F DO2RG JO52 183930 +9 2472 DO2RG RU4F -12 183945 -7 878 RU4F DO2RG R-02 184030 +2 2472 DK1WB RU4F LO23 184145 +7 2472 JE2EBT RU4F LO23 (x2) 184230 -10 2837 RU4F JE2EBT RR73 184245 +4 2472 JE2EBT RU4F 73 184545 -3 2472 JA7GLO RU4F LO23 (x3)
10m
UTC dB Freq Message 105645 +12 1985 RU4F 7Z1IS R+03 (x2) 105815 -10 2557 7Q7CT RU4F -17 132145 +13 2033 RU4F 7Z1IS +11 (x2) 182900 +2 2871 RU4F D44EC -17 (x2) 183200 -1 2872 RU4F RR73; R3HH <...> -12 (x2) 190345 -14 1068 RU4F UI6L KN97 (x2) 190800 -2 2962 RU4F RX7O R-16 (x2) 191600 -2 2035 RU4F R6JY R-13 (x2)