RK4UZ — FT8 station from European Russia
Amateur radio station RK4UZ operating from European Russia. 127 FT8 spots received at SO8OO WebSDR, 54 CQ calls, active on 80m, 40m, 20m, 10m, over 18 days, best SNR +12 dB. Heard between 2026-04-21 and 2026-05-14.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
127
Total spots
54
CQ calls
18
Days active
-7 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-21
Last seen: 2026-05-14 10:47 UTC
Last seen: 2026-05-14 10:47 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 | |
|---|---|---|---|---|---|---|
| 05-14 12:51 | 20m | - / - | N0TB | +1 / - | 4 | Partial |
| 05-14 12:49 | 20m | - / - | AP2FLY | +3 / - | 2 | Partial |
| 05-14 12:46 | 20m | -5 / -10 | UN8FR | +4 / - | 4 | ✓ Verified |
| 05-14 12:41 | 20m | -4 / +3 | UN0GY | +4 / +8 | 5 | ✓ Complete |
| 05-13 14:21 | 20m | - / -11 | BH3CFN | -8 / - | 2 | Partial |
| 05-13 14:11 | 20m | -16 / - | VU2JO | - / - | 2 | Partial |
| 05-13 14:08 | 20m | - / -21 | R8KBL | -2 / - | 2 | ✓ Confirmed |
| 05-12 15:30 | 20m | -21 / -19 | DL7TY | -15 / -14 | 5 | ✓ Complete |
| 05-12 15:12 | 20m | - / - | 9J2FI | -10 / - | 2 | Partial |
| 05-12 15:01 | 40m | - / -11 | VK2ZR | -16 / - | 2 | ✓ Confirmed |
| 05-11 17:31 | 40m | - / - | BD6IIC | -12 / - | 2 | Partial |
| 05-11 17:26 | 40m | -8 / -7 | RL2Y | +2 / +7 | 3 | Partial |
| 05-11 17:11 | 40m | - / - | RO3ZR | -16 / - | 3 | Partial |
| 05-11 17:05 | 40m | -8 / - | R2FDU | - / -11 | 2 | ✓ Confirmed |
| 05-11 14:43 | 20m | - / - | UN4GD | -10 / - | 2 | Partial |
| 05-08 16:10 | 40m | -8 / - | R5PF | - / -2 | 2 | ✓ Confirmed |
| 05-08 15:59 | 20m | -8 / -15 | A93MO | +3 / - | 3 | ✓ Verified |
| 05-08 15:57 | 20m | -10 / -8 | <...> | +6 / -6 | 6 | Partial |
| 05-05 15:52 | 40m | - / - | YC9BCM | +1 / - | 3 | Partial |
| 05-05 15:46 | 40m | -18 / - | EU4BEC | - / -10 | 6 | ✓ Confirmed |
| 05-03 17:39 | 80m | - / -7 | <...> | -12 / - | 2 | Partial |
| 05-03 17:37 | 80m | - / - | R1945ML | -4 / - | 3 | Partial |
| 05-03 17:30 | 80m | - / -7 | R1945ML | -1 / - | 4 | Partial |
| 05-03 17:17 | 40m | - / -4 | RO3ZR | -7 / - | 3 | Partial |
| 05-03 17:15 | 40m | - / - | B3CRA | -5 / - | 2 | Partial |
| 05-03 17:11 | 40m | -4 / -23 | RC3DJ | +1 / -4 | 6 | ✓ Complete |
| 05-03 17:09 | 40m | - / - | B3CRA | +1 / - | 3 | Partial |
| 05-03 17:06 | 40m | -7 / -6 | <...> | +3 / -4 | 5 | Partial |
| 05-03 17:02 | 40m | - / -6 | R4LBD | 0 / - | 5 | ✓ Confirmed |
| 05-02 14:22 | 40m | - / -8 | R4AGE/P | -6 / - | 2 | ✓ Confirmed |
| 04-30 15:11 | 40m | - / - | R9FDE/P | -8 / - | 2 | Partial |
| 04-30 14:46 | 40m | -18 / -6 | R6LOK | -19 / -11 | 6 | ✓ Complete |
| 04-30 14:46 | 40m | - / -15 | BI4JGQ | -18 / - | 3 | ✓ Confirmed |
| 04-30 14:40 | 40m | - / - | RD4CBG | -14 / - | 2 | Partial |
| 04-29 15:11 | 20m | - / -18 | M1WLK | -1 / - | 5 | ✓ Confirmed |
| 04-29 14:53 | 40m | - / -17 | UA0LQE | -18 / - | 2 | ✓ Confirmed |
| 04-29 14:52 | 40m | - / -6 | RM4HX | -18 / - | 2 | ✓ Confirmed |
| 04-29 14:50 | 40m | - / -10 | RA3TK | -22 / - | 2 | ✓ Confirmed |
| 04-29 14:50 | 40m | -9 / - | SP7CWZ | - / - | 4 | Partial |
| 04-28 16:10 | 40m | -9 / +3 | R55KLS | -7 / - | 3 | ✓ Verified |
| 04-28 15:55 | 40m | - / -9 | UA4AMC | -15 / - | 2 | ✓ Confirmed |
| 04-28 15:50 | 40m | - / - | <...> | -2 / - | 2 | Partial |
| 04-28 15:48 | 40m | - / - | R2DDP | -2 / - | 2 | Partial |
| 04-28 15:44 | 40m | - / - | R2BJH | -16 / - | 2 | Partial |
| 04-27 15:37 | 40m | - / -15 | BH8QYZ | 0 / - | 5 | ✓ Confirmed |
| 04-27 15:32 | 40m | - / -13 | UK8FCM | 0 / - | 2 | ✓ Confirmed |
| 04-27 15:26 | 40m | - / - | UA9JCH | 0 / - | 6 | Partial |
| 04-27 15:22 | 40m | - / - | JA1SCE | +1 / - | 4 | Partial |
| 04-27 15:21 | 40m | - / -3 | UG0B | +4 / - | 2 | ✓ Confirmed |
| 04-27 15:19 | 40m | -7 / - | R3BHK | +1 / -7 | 3 | ✓ Verified |
Station Log
20m
UTC dB Freq Message 124200 +2 2631 UN0GY RK4UZ R+03 124215 -2 2631 RK4UZ UN0GY RR73 124230 +6 2631 UN0GY RK4UZ 73 124600 -2 1715 R8CIS RK4UZ 73 124645 +2 2543 UN8FR RK4UZ LO24 (x2) 124730 -5 2543 RK4UZ UN8FR RR73 124745 +3 2543 UN8FR RK4UZ 73 124915 +3 864 AP2FLY RK4UZ LO24 (x2) 125130 +1 2487 N0TB RK4UZ LO24 (x2) 125230 -4 2429 RA0SE RK4UZ LO24 125300 +2 2487 N0TB RK4UZ LO24 (x2)
40m
UTC dB Freq Message 170545 -9 1384 RK4UZ R2FDU -11 (x2) 170930 -10 677 RK4UZ UA4QK RR73 171100 -17 837 RO3ZR RK4UZ LO24 (x3) 172415 -5 2796 CQ RK4UZ LO24 a1 (x2) 172615 -9 2126 RK4UZ RL2Y +07 172630 +2 2796 RL2Y RK4UZ R-07 172645 -8 2126 RK4UZ RL2Y RRR 173115 -11 2796 BD6IIC RK4UZ LO24 (x2) 150130 -15 979 VK2ZR RK4UZ R-11 (x2)
80m
UTC dB Freq Message 170000 -14 1987 CQ RK4UZ LO24 (x2) 170245 -15 1987 UA3RFT RK4UZ 73 170400 -18 1987 R55KLS RK4UZ R-12 170415 -20 1853 RK4UZ R55KLS RR73 173015 -1 2767 <R1945ML> RK4UZ LO24 (x7) 173915 -11 1698 <...> RK4UZ LO24 (x2) 174130 -12 487 RM3ZX RK4UZ LO24
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)