RK4UZ — FT8 station from European Russia
Amateur radio station RK4UZ operating from European Russia. 334 FT8 spots received at SO8OO WebSDR, 91 CQ calls, active on 80m, 40m, 20m, 10m, over 46 days, best SNR +14 dB. Heard between 2026-04-21 and 2026-06-29.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
334
Total spots
91
CQ calls
46
Days active
-8 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-21
Last seen: 2026-06-29 08:04 UTC
Last seen: 2026-06-29 08:04 UTC
Frequent QSO partners observed at SO8OO
Stations RK4UZ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RK4UZ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-29 03:27 | 20m | -17 / - | N9W | -6 / +2 | 6 | ✓ Verified |
| 06-29 02:59 | 40m | -2 / - | RV6AVU | - / - | 2 | ✓ Confirmed |
| 06-28 18:55 | 40m | - / -6 | R4SCQ | -4 / - | 2 | Partial |
| 06-28 18:52 | 40m | - / -20 | R1BOH | -2 / - | 3 | Partial |
| 06-28 18:45 | 40m | - / -19 | R3BGQ | -4 / - | 3 | Partial |
| 06-28 18:36 | 40m | - / -9 | TA3LY | -3 / - | 2 | Partial |
| 06-28 13:41 | 20m | - / - | BI3AMG | -5 / - | 3 | Partial |
| 06-28 13:06 | 10m | -2 / - | RV6AVU | - / -13 | 3 | ✓ Confirmed |
| 06-27 04:06 | 20m | +1 / - | 7Q5MLV | - / -12 | 3 | ✓ Confirmed |
| 06-27 03:57 | 20m | -11 / - | R6OK | - / -10 | 2 | ✓ Confirmed |
| 06-26 17:29 | 80m | 0 / - | UI6A | -17 / -2 | 3 | ✓ Verified |
| 06-26 16:25 | 20m | - / - | BI8EJM | -6 / - | 4 | Partial |
| 06-26 16:22 | 20m | - / - | BG3TFT | -9 / - | 3 | Partial |
| 06-26 16:18 | 20m | - / -24 | TN8GD | -15 / - | 3 | ✓ Confirmed |
| 06-26 16:15 | 20m | - / -12 | E41WW | +3 / - | 5 | ✓ Confirmed |
| 06-26 16:13 | 20m | - / - | EA8AT | -12 / - | 2 | Partial |
| 06-26 05:29 | 40m | -14 / - | SQ5CZL | - / -24 | 2 | ✓ Confirmed |
| 06-26 02:31 | 40m | -18 / - | G3TKT | - / -4 | 2 | ✓ Confirmed |
| 06-21 11:27 | 20m | - / -9 | RX3DQL | -1 / - | 5 | Partial |
| 06-21 11:22 | 20m | - / - | R6DZO | 0 / - | 4 | Partial |
| 06-21 11:18 | 20m | - / -18 | UG0B | -5 / - | 2 | ✓ Confirmed |
| 06-21 11:14 | 20m | - / -11 | RV0AEV | -2 / - | 3 | ✓ Confirmed |
| 06-21 11:13 | 20m | -18 / - | F1ABG | -2 / - | 2 | ✓ Verified |
| 06-21 11:04 | 20m | - / - | R8CJG | -5 / - | 2 | Partial |
| 06-21 06:36 | 20m | -14 / - | RU4HU | - / -14 | 2 | ✓ Confirmed |
| 06-21 06:20 | 20m | - / - | <...> | -19 / - | 2 | Partial |
| 06-21 06:16 | 20m | - / +2 | RA3VMK | -12 / - | 2 | Partial |
| 06-21 06:11 | 20m | -18 / - | R2BRD | -17 / - | 2 | Partial |
| 06-21 06:09 | 20m | - / - | R3DMS | -16 / - | 2 | ✓ Confirmed |
| 06-21 06:06 | 20m | - / -5 | R3BGU | -13 / - | 6 | ✓ Confirmed |
| 06-21 06:02 | 20m | -15 / +3 | RD7T | -10 / - | 4 | ✓ Verified |
| 06-21 05:57 | 20m | -12 / +2 | RM4N | -11 / +1 | 5 | ✓ Complete |
| 06-21 05:53 | 20m | - / -20 | IU2EBR | -6 / - | 8 | Partial |
| 06-19 17:13 | 20m | - / - | RV6LN | +9 / - | 3 | Partial |
| 06-19 17:12 | 20m | - / - | A92AB | +10 / - | 2 | Partial |
| 06-19 16:05 | 20m | - / -11 | IQ7PU | +17 / - | 3 | ✓ Confirmed |
| 06-19 16:03 | 20m | - / - | YB2TS | +12 / - | 2 | Partial |
| 06-19 06:18 | 20m | - / - | TN8GD | -5 / - | 3 | Partial |
| 06-19 06:11 | 20m | - / -12 | R1CAA | -1 / - | 3 | ✓ Confirmed |
| 06-19 06:09 | 20m | - / - | 5P1W | +4 / - | 2 | Partial |
| 06-19 06:07 | 20m | 0 / -8 | R2BDR | +2 / -19 | 5 | ✓ Complete |
| 06-19 06:06 | 20m | - / - | R2DRY | +4 / - | 3 | Partial |
| 06-19 05:58 | 20m | +7 / +1 | IQ7KM | 0 / -11 | 4 | Partial |
| 06-19 05:52 | 20m | - / -22 | UA6DEV | +2 / - | 4 | ✓ Confirmed |
| 06-19 05:37 | 20m | +4 / -10 | R2XM | -9 / -6 | 5 | ✓ Complete |
| 06-18 15:01 | 20m | - / - | R0UA | +8 / - | 2 | ✓ Confirmed |
| 06-18 14:57 | 20m | - / - | JA8BSK | +6 / - | 3 | ✓ Confirmed |
| 06-18 14:54 | 20m | -6 / -11 | RA9FEO | +5 / -4 | 6 | ✓ Complete |
| 06-18 14:51 | 20m | - / -7 | VU3LXI | +3 / - | 3 | ✓ Confirmed |
| 06-18 14:47 | 20m | - / - | BG5HKI | +12 / - | 2 | Partial |
Station Log
20m
UTC dB Freq Message 061600 -8 387 RK4UZ R2BR RR73 111945 -8 2770 CQ RK4UZ LO24 a1 134130 -6 793 BI3AMG RK4UZ LO24 (x3) 032700 -3 2115 N9W RK4UZ LO24 (x4) 032945 -17 2115 RK4UZ N9W +02 033030 -9 2115 N9W RK4UZ 73 033215 -12 1265 KP4WWA RK4UZ LO24 033600 -16 1212 R2DZJ RK4UZ LO24 100445 -8 2746 RK4UZ RA3WAK RR73 145430 +1 2880 BG4OOO RK4UZ LO24
40m
UTC dB Freq Message 184500 -3 2822 R3BGQ RK4UZ LO24 (x3) 185045 -4 2823 RA3TVW RK4UZ LO24 185245 -3 2822 R1BOH RK4UZ LO24 (x3) 185515 -5 2824 R4SCQ RK4UZ LO24 (x2) 014530 -11 2671 CE4BJ RK4UZ LO24 015045 -6 2671 HI7WWA RK4UZ LO24 015345 -12 2672 CQ RK4UZ LO24 025945 -1 890 RK4UZ RV6AVU +20 (x2) 030200 -17 2226 RK4UZ EK/RX3DPK -05
10m
UTC dB Freq Message 120045 -3 2285 RK4UZ 5Z4VJ -06 (x2) 120800 -18 1500 RK4UZ YG2ACZ RR73 122730 -10 1230 RK4UZ YB2NFD -15 (x2) 110545 -5 1768 RK4UZ A61DI RR73 093415 -17 2467 SP5LST RK4UZ 73 130600 -3 2360 RK4UZ RV6AVU -13 (x3)
80m
UTC dB Freq Message 173945 -12 2750 JR5XPG RK4UZ LO24 (x3) 174245 -9 2750 R6FMK RK4UZ LO24 (x4) 174945 -5 2750 R6UBM RK4UZ 73 172030 -19 1945 CQ RK4UZ LO24 172130 -19 1945 R9HBI RK4UZ RR73 172530 -19 1946 CQ RK4UZ LO24 (x2) 172900 -17 1946 UI6A RK4UZ LO24 172915 -2 2166 RK4UZ UI6A -02 (x2)