RK4CH — FT8 station from European Russia
Amateur radio station RK4CH operating from European Russia. 832 FT8 spots received at SO8OO WebSDR, 114 CQ calls, active on 80m, 40m, 20m, 10m, over 45 days, best SNR +22 dB. Heard between 2026-04-28 and 2026-07-22.
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Overview
832
Total spots
114
CQ calls
45
Days active
-6 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-28
Last seen: 2026-07-22 11:44 UTC
Last seen: 2026-07-22 11:44 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 | |
|---|---|---|---|---|---|---|
| 07-22 13:56 | 20m | - / - | BH3FZG | -10 / - | 4 | Partial |
| 07-22 13:54 | 20m | - / - | EW8DG | -6 / - | 2 | ✓ Confirmed |
| 07-22 13:52 | 20m | - / - | CN2DX | -18 / - | 2 | Partial |
| 07-22 13:48 | 20m | - / - | R6DZD | -13 / - | 3 | Partial |
| 07-22 13:47 | 20m | - / -16 | BI1HJR | -15 / - | 2 | ✓ Confirmed |
| 07-22 13:43 | 20m | -21 / -3 | R3DON | -18 / -12 | 5 | ✓ Complete |
| 07-22 13:41 | 20m | - / - | YB7WW | -6 / - | 4 | Partial |
| 07-22 13:35 | 20m | - / - | R6LCM | -12 / - | 4 | ✓ Confirmed |
| 07-22 13:31 | 20m | - / -8 | TF4M | -6 / - | 6 | ✓ Confirmed |
| 07-22 13:30 | 20m | - / - | VU3EXH | -8 / - | 2 | Partial |
| 07-22 13:15 | 20m | - / - | RW0LO | +5 / - | 8 | Partial |
| 07-22 00:21 | 40m | - / - | CR7BUJ | -21 / - | 2 | Partial |
| 07-22 00:17 | 80m | +7 / -12 | SP9MOA | 0 / -11 | 5 | ✓ Complete |
| 07-22 00:16 | 80m | -18 / -21 | IU4UWH | +3 / -10 | 5 | ✓ Complete |
| 07-22 00:12 | 80m | - / - | SP9MOA | +4 / - | 4 | Partial |
| 07-21 10:31 | 10m | -11 / - | IZ5SIH | - / -10 | 2 | ✓ Confirmed |
| 07-21 09:12 | 10m | -15 / - | RK6DL | - / -5 | 2 | ✓ Confirmed |
| 07-21 08:28 | 20m | - / - | PY7XC | -12 / - | 6 | Partial |
| 07-21 07:26 | 20m | - / - | OH6DHM | -17 / - | 2 | Partial |
| 07-21 01:00 | 40m | - / -16 | N1EN | -8 / - | 2 | ✓ Confirmed |
| 07-21 00:58 | 40m | -20 / +10 | RJ6B | -22 / -2 | 5 | ✓ Complete |
| 07-21 00:42 | 40m | - / - | W4DXM | -9 / - | 2 | Partial |
| 07-21 00:37 | 40m | - / -18 | W4PSK | -2 / - | 5 | Partial |
| 07-20 23:06 | 20m | -20 / - | EA5PC | - / -6 | 2 | ✓ Confirmed |
| 07-20 22:57 | 20m | 0 / - | W4DXM | - / -12 | 3 | ✓ Confirmed |
| 07-20 22:53 | 40m | - / - | IU6UAM | +4 / - | 3 | Partial |
| 07-20 22:11 | 80m | +3 / -7 | DF2RG | 0 / -5 | 5 | ✓ Complete |
| 07-20 22:05 | 80m | 0 / - | UI5A | - / -4 | 2 | ✓ Confirmed |
| 07-20 22:01 | 40m | +1 / -6 | IV3CLI | -5 / -2 | 6 | ✓ Complete |
| 07-20 21:59 | 40m | - / -16 | EA2CYJ | -12 / - | 2 | Partial |
| 07-20 21:57 | 40m | - / -14 | BD7OH | -5 / - | 3 | Partial |
| 07-20 21:55 | 40m | -12 / - | YT2FA | -10 / -4 | 4 | ✓ Verified |
| 07-20 21:52 | 40m | - / -14 | BD7OH | -9 / - | 3 | Partial |
| 07-20 21:50 | 40m | - / -14 | CU6AD | -16 / - | 3 | ✓ Confirmed |
| 07-20 21:43 | 40m | -15 / -8 | US1EA | -15 / - | 5 | ✓ Complete |
| 07-20 21:42 | 40m | -14 / -7 | DL3EBJ | -18 / -5 | 10 | ✓ Complete |
| 07-20 21:41 | 40m | -13 / - | IK8PLJ | -10 / - | 2 | ✓ Verified |
| 07-20 21:39 | 40m | -4 / -21 | SQ9DJQ | -8 / +3 | 4 | ✓ Complete |
| 07-20 21:31 | 40m | - / +2 | RU3GF | -8 / - | 5 | ✓ Confirmed |
| 07-20 21:28 | 40m | -10 / -16 | DL4BHA | -8 / -7 | 4 | ✓ Complete |
| 07-20 21:27 | 40m | -4 / -9 | DL3KVR | -8 / -1 | 3 | ✓ Complete |
| 07-20 21:25 | 40m | -13 / +7 | RX6AOB | -14 / -2 | 4 | ✓ Complete |
| 07-20 21:24 | 40m | - / -15 | EU1TN | -18 / - | 2 | Partial |
| 07-20 21:21 | 40m | - / -14 | PD2BKB | -18 / - | 4 | ✓ Confirmed |
| 07-20 21:18 | 40m | -15 / - | G4RCV | -16 / -12 | 3 | ✓ Verified |
| 07-20 21:16 | 40m | - / -5 | R1BGR | -14 / - | 3 | ✓ Confirmed |
| 07-20 21:08 | 80m | -1 / -14 | 8S7DL | +2 / -17 | 11 | ✓ Complete |
| 07-20 21:05 | 80m | - / - | 8S7DL | +2 / - | 2 | Partial |
| 07-20 20:59 | 80m | +14 / -13 | SP9LS | 0 / -4 | 5 | ✓ Complete |
| 07-20 08:00 | 10m | -13 / - | OZ1MAX | - / -12 | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 134430 -19 1573 R3DON RK4CH R-03 (x2) 134700 -14 1414 BI1HJR RK4CH -16 (x2) 134830 -14 1487 R6DZD RK4CH LO32 (x3) 135215 -24 1779 CN2DX RK4CH LO32 (x2) 135415 -4 278 EW8DG RK4CH LO32 (x2) 135645 -7 1429 BH3FZG RK4CH LO32 (x4)
40m
UTC dB Freq Message 003945 -3 2902 W4PSK RK4CH R-18 (x2) 004245 -10 785 W4DXM RK4CH LO32 (x2) 005400 -12 1494 RK4CH W4DXM RR73 005815 -24 1772 RJ6B RK4CH LO32 005830 -23 1623 RK4CH RJ6B -02 005915 -24 1623 RJ6B RK4CH R+10 005930 -16 1623 RK4CH RJ6B RR73 005945 -19 1624 RJ6B RK4CH 73 010045 -10 2700 N1EN RK4CH R-16 (x2) 012715 -18 1039 RK4CH 8S7DL 73 002130 -20 1239 CR7BUJ RK4CH LO32 (x2)
80m
UTC dB Freq Message 221215 +1 2301 DF2RG RK4CH 73 001230 +3 1300 SP9MOA RK4CH LO32 (x4) 001630 +2 2140 IU4UWH RK4CH LO32 001645 -20 2140 RK4CH IU4UWH -10 001700 +4 2140 IU4UWH RK4CH R-21 001715 -15 2140 RK4CH IU4UWH RR73 001730 +2 2140 IU4UWH RK4CH 73 001745 +7 2141 RK4CH SP9MOA KO00 (x2) 001830 +1 2141 SP9MOA RK4CH -12 001845 +7 2141 RK4CH SP9MOA R-11 001900 -1 2141 SP9MOA RK4CH RR73
10m
UTC dB Freq Message 100800 -4 1557 RK4CH R6AR -10 (x2) 092815 -14 767 RK4CH R2ZJJ RR73 093345 -2 2766 RK4CH DO1NUE -13 (x2) 075815 -13 576 RK4CH DN9BB -15 (x2) 080045 -15 1056 RK4CH OZ1MAX -12 (x3) 083830 -14 1830 RK4CH RU3GF RR73 091230 -13 1068 RK4CH RK6DL -05 (x2) 103115 -10 2324 RK4CH IZ5SIH -10 (x2)