RU4F — FT8 station from European Russia
Amateur radio station RU4F operating from European Russia. 153 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 16 days, best SNR +21 dB. Heard between 2026-04-23 and 2026-06-05.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
153
Total spots
0
CQ calls
16
Days active
-3 dB
Avg SNR
Bands
20m
40m
10m
First seen: 2026-04-23
Last seen: 2026-06-05 10:03 UTC
Last seen: 2026-06-05 10:03 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 | |
|---|---|---|---|---|---|---|
| 06-06 04:55 | 20m | - / +2 | R1CF/P | -2 / - | 2 | ✓ Confirmed |
| 06-06 04:53 | 20m | - / -8 | HZ1TT | +2 / - | 2 | Partial |
| 06-06 04:51 | 20m | - / -19 | VU3OSA | +1 / - | 2 | Partial |
| 06-06 04:50 | 20m | - / -7 | SM2LIY | -1 / - | 2 | ✓ Confirmed |
| 06-05 12:03 | 20m | - / -22 | UF6VX | +7 / - | 2 | ✓ Confirmed |
| 06-05 11:56 | 20m | - / -5 | VK2LAW | +14 / - | 3 | ✓ Confirmed |
| 06-04 13:21 | 10m | +12 / - | 7Z1IS | - / - | 2 | ✓ Confirmed |
| 06-04 10:56 | 10m | +12 / - | 7Z1IS | - / +3 | 3 | ✓ Confirmed |
| 06-03 18:48 | 40m | -6 / - | IQ9BF | - / -8 | 2 | ✓ Confirmed |
| 06-03 18:40 | 40m | - / -11 | JA2IQV | -10 / - | 2 | ✓ Confirmed |
| 06-03 18:37 | 40m | - / -5 | UA9KBC | -18 / - | 2 | ✓ Confirmed |
| 06-02 20:00 | 40m | - / -2 | RW6HPS | -19 / - | 3 | ✓ Confirmed |
| 06-02 19:46 | 40m | -1 / - | DL9KM | - / -7 | 4 | ✓ Confirmed |
| 06-02 19:44 | 40m | 0 / -9 | R2FDS | -6 / -10 | 5 | ✓ Complete |
| 06-02 19:43 | 40m | - / -10 | 5Z4VJ | -6 / - | 3 | ✓ Confirmed |
| 06-02 19:41 | 40m | -6 / -6 | GJ0KYZ | -7 / -15 | 4 | ✓ Complete |
| 06-02 19:39 | 40m | - / -6 | 5Z4VJ | -8 / - | 2 | ✓ Confirmed |
| 06-02 19:30 | 40m | - / -18 | TT1GD | -6 / - | 3 | Partial |
| 06-02 19:24 | 40m | 0 / - | RZ3Z | -15 / - | 4 | ✓ Verified |
| 06-02 19:23 | 40m | -7 / -4 | R95WTA | -12 / +1 | 5 | ✓ Complete |
| 06-02 19:21 | 40m | - / - | EX7CQ | -10 / - | 2 | ✓ Confirmed |
| 06-02 19:18 | 40m | - / -15 | ZS6OB | -9 / - | 3 | ✓ Confirmed |
| 06-02 19:12 | 40m | - / -15 | UB0JBZ | -7 / - | 3 | ✓ Confirmed |
| 05-26 19:52 | 40m | +7 / - | SP5LST | - / -1 | 4 | ✓ Confirmed |
| 05-26 19:49 | 40m | - / -11 | LX1RFJ | -8 / - | 2 | Partial |
| 05-26 19:47 | 40m | -12 / -10 | EB3JT | -7 / -11 | 5 | ✓ Complete |
| 05-26 19:45 | 40m | -19 / -10 | UF6VX | -6 / +9 | 3 | ✓ Complete |
| 05-26 19:42 | 40m | -4 / - | E72ET | - / -3 | 2 | ✓ Confirmed |
| 05-21 16:34 | 20m | - / - | <...> | -5 / - | 2 | Partial |
| 05-19 05:44 | 20m | - / -13 | 7Z1AL | +3 / - | 2 | Partial |
| 05-19 05:42 | 20m | - / -13 | N6RW | +2 / - | 4 | ✓ Confirmed |
| 05-19 05:33 | 20m | - / - | T31TTT | -2 / - | 2 | Partial |
| 05-18 19:05 | 40m | -3 / - | DF7GG | - / -19 | 3 | Partial |
| 05-18 19:00 | 40m | - / -11 | 9M2RSI | -12 / - | 3 | ✓ Confirmed |
| 05-18 05:55 | 20m | - / - | <...> | +14 / - | 2 | Partial |
| 05-18 05:51 | 20m | - / - | KL5PF | +8 / - | 2 | Partial |
| 05-18 05:12 | 20m | - / -13 | KL4QP | 0 / - | 2 | Partial |
| 05-18 05:07 | 20m | -7 / -15 | RI0SP | 0 / -16 | 3 | ✓ Complete |
| 05-18 04:58 | 20m | - / - | 8P6GE | +3 / - | 3 | Partial |
| 05-18 04:51 | 20m | - / - | 8P6GE | -4 / - | 2 | Partial |
| 05-18 04:45 | 20m | - / -18 | <...> | +3 / - | 3 | Partial |
| 05-18 04:35 | 20m | -19 / -10 | VP2MAA | +1 / - | 3 | ✓ Verified |
| 05-18 04:30 | 20m | - / -6 | T31TTT | +5 / - | 2 | Partial |
| 05-18 04:28 | 20m | - / -16 | ZL3WPK | +10 / - | 2 | Partial |
| 05-18 04:26 | 20m | - / -7 | NL8F | +6 / - | 3 | ✓ Confirmed |
| 05-17 17:56 | 20m | 0 / -7 | A41HA | +14 / - | 5 | ✓ Complete |
| 05-17 17:55 | 20m | -16 / -14 | A92AE | +16 / -16 | 3 | Partial |
| 05-17 17:52 | 20m | - / -13 | JH5AVM | +14 / - | 2 | Partial |
| 05-17 17:47 | 20m | - / -16 | EX8ABR | +9 / - | 3 | ✓ Confirmed |
| 05-17 17:45 | 20m | - / -12 | VU2YYF | +5 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 120145 -2 781 RU4F TA3XEE KM38 120200 +2 2543 M8FQT RU4F -19 120300 +5 2543 UF6VX RU4F R-22 (x2) 120345 -15 1763 RU4F GB6DD -06 120730 +14 2543 <...> RU4F -13 044900 +2 2243 R1CF/P RU4F -03 045015 -3 2243 SM2LIY RU4F -07 (x2) 045145 +4 2243 VU3OSA RU4F -19 (x2) 045330 +2 2243 HZ1TT RU4F LO23 (x2) 045530 -4 2243 R1CF/P RU4F +02 (x2)
10m
UTC dB Freq Message 113745 -6 2591 RU4F ZS4JAN 73 114045 -5 413 RU4F R80RAA R-15 (x2) 155415 -8 835 RU4F RK3DSW -12 155545 -20 1179 RU4F UA1AEL 73 160215 -15 2074 RU4F R3ES R-09 160600 -8 2111 RU4F UA3YFL 73 160945 -6 2374 RU4F R1BPZ R-09 105245 -7 2557 RV9CX RU4F RR73 105615 +15 1985 RU4F 7Z1IS R+03 (x3) 105815 -10 2557 7Q7CT RU4F -17 132145 +13 2033 RU4F 7Z1IS +11 (x2)
40m
UTC dB Freq Message 194615 -7 1407 RU4F DL9KM JN68 (x4) 195530 -13 1975 VJ2L RU4F R-01 200030 -17 1977 RW6HPS RU4F -02 (x3) 183700 -21 2506 UA9KBC RU4F -05 (x2) 184030 -11 2506 JA2IQV RU4F -11 (x2) 184800 -6 2186 RU4F IQ9BF R-08 (x2) 185000 -2 2506 HL5BPF RU4F LO23
80m
UTC dB Freq Message 231400 +4 2813 <...> RU4F -15 231445 +5 2813 GB9IOW RU4F LO23 232700 +15 2613 C5D RU4F LO23 (x4) 233200 +11 953 K1ZM RU4F LO23 233745 -1 2253 NQ1C RU4F LO23 234045 +4 2253 GB9IOW RU4F R-11 (x2)