RK4CH — FT8 station from European Russia
Amateur radio station RK4CH operating from European Russia. 246 FT8 spots received at SO8OO WebSDR, 45 CQ calls, active on 80m, 40m, 20m, over 10 days, best SNR +14 dB. Heard between 2026-04-28 and 2026-05-09.
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Overview
246
Total spots
45
CQ calls
10
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-04-28
Last seen: 2026-05-09 09:37 UTC
Last seen: 2026-05-09 09:37 UTC
Frequent QSO partners observed at SO8OO
Stations RK4CH worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RK4CH | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-09 11:36 | 20m | +6 / - | <...> | -3 / -4 | 3 | Partial |
| 05-09 11:28 | 20m | -2 / -9 | <...> | +3 / -2 | 8 | Partial |
| 05-09 11:24 | 20m | - / -3 | <...> | -4 / - | 3 | Partial |
| 05-09 11:15 | 20m | +7 / - | <...> | -2 / - | 3 | Partial |
| 05-09 11:12 | 20m | +9 / - | <...> | +5 / -1 | 3 | Partial |
| 05-09 09:49 | 20m | -15 / - | R9UBE | +2 / -2 | 3 | ✓ Complete |
| 05-09 09:46 | 20m | -12 / - | UB1AVD | - / -8 | 2 | Partial |
| 05-09 09:37 | 20m | - / - | <...> | -10 / - | 2 | Partial |
| 05-09 09:00 | 20m | - / - | <...> | -3 / - | 6 | Partial |
| 05-09 08:04 | 20m | - / -11 | RA9CAD | +4 / - | 2 | ✓ Confirmed |
| 05-09 07:57 | 20m | +13 / +9 | RP81SVY | +1 / +1 | 4 | Partial |
| 05-09 04:01 | 20m | -4 / -6 | VK4MA | 0 / +1 | 6 | ✓ Complete |
| 05-09 04:01 | 20m | - / - | <...> | +4 / - | 2 | Partial |
| 05-09 03:56 | 20m | - / -6 | YP0LB | +5 / - | 3 | ✓ Confirmed |
| 05-09 03:46 | 20m | - / - | <...> | -2 / - | 2 | Partial |
| 05-09 03:27 | 20m | - / +4 | HA0AA | 0 / - | 3 | ✓ Confirmed |
| 05-09 03:23 | 20m | -16 / -18 | <...> | +3 / -18 | 30 | Partial |
| 05-09 03:13 | 20m | - / +3 | SP5LST | +10 / - | 2 | ✓ Confirmed |
| 05-09 03:08 | 20m | - / -18 | <...> | +7 / - | 6 | Partial |
| 05-09 02:52 | 20m | - / -15 | V31DL | +8 / - | 2 | ✓ Confirmed |
| 05-09 02:49 | 20m | - / - | OK7BB | +4 / - | 2 | Partial |
| 05-09 02:47 | 20m | - / -13 | DL1BBO | +18 / - | 2 | ✓ Confirmed |
| 05-09 02:44 | 20m | - / -18 | LU1IG | +3 / - | 4 | ✓ Confirmed |
| 05-09 02:41 | 20m | -1 / -10 | UB4CJS | +13 / -1 | 6 | ✓ Complete |
| 05-09 01:50 | 80m | -4 / - | EA1CQ | - / - | 2 | Partial |
| 05-09 01:48 | 20m | -14 / - | <...> | - / -21 | 2 | Partial |
| 05-09 01:37 | 80m | -19 / -3 | RN3FZ | -20 / -2 | 6 | ✓ Complete |
| 05-09 01:32 | 80m | -9 / -15 | EA1CQ | -2 / -17 | 4 | Partial |
| 05-09 01:30 | 80m | +2 / -14 | EA5AQB | -8 / -5 | 5 | ✓ Complete |
| 05-09 01:24 | 80m | -3 / -10 | <...> | -16 / -2 | 3 | Partial |
| 05-09 00:51 | 80m | -4 / - | DO1OAS | - / -16 | 3 | ✓ Confirmed |
| 05-09 00:49 | 80m | +2 / - | IK4LZH | - / -14 | 2 | Partial |
| 05-08 17:27 | 80m | -13 / - | RP81PK | -21 / -6 | 2 | Partial |
| 05-08 17:21 | 80m | -5 / +6 | R2SN | -9 / +1 | 8 | ✓ Complete |
| 05-08 17:18 | 80m | - / - | <...> | -12 / - | 4 | Partial |
| 05-08 16:38 | 80m | -9 / -5 | R3HH | -10 / - | 2 | ✓ Verified |
| 05-08 13:38 | 20m | - / -3 | RY7KV | +4 / - | 3 | ✓ Confirmed |
| 05-08 13:01 | 20m | - / - | UA9UFG | 0 / - | 2 | ✓ Confirmed |
| 05-08 12:58 | 20m | +6 / -8 | RP81ZKS | 0 / -17 | 3 | Partial |
| 05-08 12:28 | 20m | - / - | <...> | +12 / - | 3 | Partial |
| 05-08 12:22 | 20m | - / -9 | VK8NSB | +3 / - | 8 | ✓ Confirmed |
| 05-08 09:30 | 20m | - / -21 | <...> | +18 / - | 2 | Partial |
| 05-08 09:20 | 20m | - / -13 | HA5LB | +6 / - | 2 | ✓ Confirmed |
| 05-08 09:18 | 20m | -13 / -9 | <...> | +11 / -11 | 16 | ✓ Confirmed |
| 05-08 09:06 | 20m | - / -6 | <...> | +9 / - | 2 | Partial |
| 05-08 08:58 | 20m | -13 / - | <...> | +6 / -18 | 12 | Partial |
| 05-07 00:41 | 80m | -11 / +3 | R6ZAJ | -24 / -9 | 4 | ✓ Complete |
| 05-06 03:52 | 40m | -7 / - | RP81IL | - / +8 | 3 | ✓ Confirmed |
| 05-05 09:18 | 20m | - / -14 | RP81TOF | -5 / - | 3 | Partial |
| 05-05 08:56 | 20m | -11 / - | PE9JAN | - / -16 | 2 | Partial |
Station Log
20m
UTC dB Freq Message 112845 +2 537 <...> RK4CH LO32 112900 -9 538 RK4CH <...> -02 112915 +5 537 <...> RK4CH R-09 113045 -6 1610 RG6OR RK4CH RR73 113115 +1 829 <...> RK4CH LO32 113200 +5 829 RK4CH <...> -03 113215 +1 829 <...> RK4CH R+05 113230 +2 829 RK4CH RR73; EA3IAQ <...> -14 113315 +4 2619 <...> RK4CH LO32 113330 -1 2619 RK4CH <...> +13 113615 -3 1828 <...> RK4CH LO32 113700 +7 283 RK4CH <...> -04 (x2) 114045 -5 1810 <...> RK4CH R+12 053200 +19 331 UB8CPH RK4CH LO32
80m
UTC dB Freq Message 013100 -7 551 EA5AQB RK4CH R-14 013115 -2 550 RK4CH EA5AQB RR73 013130 -7 550 EA5AQB RK4CH 73 013215 -7 550 RK4CH EA1CQ IN83 013300 -2 550 EA1CQ RK4CH -15 013315 -11 1306 RK4CH EA1CQ R-17 (x2) 013700 -20 1384 RN3FZ RK4CH LO32 (x2) 013745 -17 1383 RK4CH RN3FZ -02 013800 -20 1384 RN3FZ RK4CH R-03 013815 -21 1384 RK4CH RN3FZ RRR 013830 -16 1384 RN3FZ RK4CH 73 015045 -4 1383 RK4CH EA1CQ IN83 (x2)
40m
UTC dB Freq Message 042145 -8 2286 <...> RK4CH LO32 (x4) 042330 -17 2286 RK4CH <...> -05 044230 -14 272 <...> RK4CH LO32 045215 -15 2587 RP81VKN RK4CH LO32 (x3) 085045 -12 1078 RK4CH <...> -11 035200 -5 640 RK4CH <RP81IL> +08 (x3) 043330 -11 914 RK4CH <...> -20 043400 -16 914 RK4CH RR73; R1LP <...> -16