RK4CH — FT8 station from European Russia
Amateur radio station RK4CH operating from European Russia. 558 FT8 spots received at SO8OO WebSDR, 75 CQ calls, active on 80m, 40m, 20m, 10m, over 24 days, best SNR +22 dB. Heard between 2026-04-28 and 2026-06-01.
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Overview
558
Total spots
75
CQ calls
24
Days active
-5 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-28
Last seen: 2026-06-01 01:19 UTC
Last seen: 2026-06-01 01:19 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 | |
|---|---|---|---|---|---|---|
| 06-01 03:57 | 20m | - / - | OM2IB | -10 / - | 3 | ✓ Confirmed |
| 06-01 03:18 | 40m | -18 / - | RM5F | - / -2 | 2 | Partial |
| 06-01 03:17 | 40m | -10 / - | IQ9BF | - / -11 | 2 | Partial |
| 06-01 02:37 | 20m | +16 / - | 7Z1DN | - / -6 | 2 | ✓ Confirmed |
| 06-01 01:33 | 20m | 0 / -13 | HI3A | -9 / -17 | 4 | ✓ Complete |
| 05-31 13:54 | 20m | -12 / - | UA9LLE | - / - | 2 | Partial |
| 05-31 13:53 | 20m | -6 / -17 | TA4INO | +11 / -12 | 5 | ✓ Complete |
| 05-31 13:50 | 20m | - / - | YB7SKM | -2 / - | 2 | Partial |
| 05-31 13:47 | 20m | - / -11 | SP5DFK | +9 / - | 3 | ✓ Confirmed |
| 05-31 13:43 | 20m | - / -7 | YC2OEI | +6 / - | 2 | ✓ Confirmed |
| 05-31 13:43 | 20m | - / -9 | TA4INO | +9 / - | 3 | ✓ Confirmed |
| 05-31 13:40 | 20m | -7 / -4 | YM1KSR | +5 / -5 | 6 | ✓ Complete |
| 05-31 13:39 | 20m | -10 / -13 | JO1LVZ | +12 / -7 | 3 | Partial |
| 05-31 13:37 | 20m | -5 / - | R6ZS | +12 / +2 | 4 | ✓ Complete |
| 05-31 13:15 | 20m | - / - | SQ5PTZ | +6 / - | 2 | Partial |
| 05-31 09:02 | 20m | - / -2 | EA1FCS | -6 / - | 4 | Partial |
| 05-31 08:38 | 20m | - / - | HA3HZ | -4 / - | 2 | ✓ Confirmed |
| 05-31 08:32 | 20m | - / -18 | R3RA | -5 / - | 6 | Partial |
| 05-31 08:26 | 20m | - / -18 | R3RA | -12 / - | 2 | Partial |
| 05-31 08:21 | 20m | -6 / -13 | R3RA | -13 / -7 | 9 | Partial |
| 05-31 08:13 | 20m | - / - | UB6LTL | 0 / - | 2 | Partial |
| 05-31 08:11 | 20m | - / +2 | R9YQ | -10 / - | 2 | ✓ Confirmed |
| 05-31 08:05 | 20m | -10 / -8 | OE7BFT | -10 / -2 | 2 | Partial |
| 05-31 07:46 | 20m | -15 / -10 | UA9LKL | -12 / -17 | 6 | ✓ Complete |
| 05-31 07:34 | 20m | -6 / - | RZ6ALZ | - / -7 | 2 | ✓ Confirmed |
| 05-31 07:26 | 20m | -5 / +7 | R1BPZ | -7 / -6 | 6 | ✓ Complete |
| 05-31 07:21 | 20m | +2 / - | R2BK | - / -20 | 2 | ✓ Confirmed |
| 05-31 07:16 | 20m | -3 / - | DF7QR | -15 / -13 | 4 | Partial |
| 05-31 07:03 | 20m | -14 / - | PD7PW | - / -2 | 2 | Partial |
| 05-31 06:20 | 20m | - / - | EX8ABQ | -9 / - | 9 | Partial |
| 05-31 06:12 | 20m | -4 / - | R8AGF | - / -15 | 3 | ✓ Confirmed |
| 05-31 06:10 | 20m | -14 / - | RU3OW | -4 / - | 3 | Partial |
| 05-31 00:48 | 80m | -4 / -18 | CT1BFP | -20 / - | 11 | Partial |
| 05-30 08:09 | 20m | - / - | OH7FQH | -15 / - | 6 | Partial |
| 05-30 08:07 | 20m | - / -4 | EW4PA | -16 / - | 2 | ✓ Confirmed |
| 05-30 08:03 | 20m | - / -5 | DL7MDX | -14 / - | 2 | Partial |
| 05-30 07:34 | 20m | -16 / +2 | R8AGW | -10 / -5 | 4 | ✓ Complete |
| 05-30 07:26 | 20m | - / -14 | M8VCP | -8 / - | 2 | Partial |
| 05-30 07:16 | 20m | - / -13 | RA1QCX | -5 / - | 11 | Partial |
| 05-30 07:12 | 20m | -6 / - | DK1VS | +4 / -19 | 3 | ✓ Verified |
| 05-30 06:46 | 20m | -16 / -23 | ON5MX | -8 / -4 | 4 | ✓ Complete |
| 05-30 06:43 | 20m | -22 / - | R1TET | -7 / -20 | 6 | ✓ Verified |
| 05-30 06:42 | 20m | -11 / -15 | F4LER | -2 / - | 3 | ✓ Verified |
| 05-30 06:40 | 20m | - / - | EX8ABQ | -10 / - | 2 | Partial |
| 05-30 06:34 | 20m | +11 / - | R3LDK | -6 / -7 | 3 | Partial |
| 05-30 06:33 | 20m | - / - | G6EGM | -1 / - | 2 | Partial |
| 05-30 06:31 | 20m | - / -11 | EA2DDE | +4 / - | 2 | ✓ Confirmed |
| 05-30 06:29 | 20m | -15 / -8 | IK7YZB | -3 / - | 2 | Partial |
| 05-30 06:26 | 20m | -1 / - | DL1HDL | -2 / -4 | 7 | ✓ Complete |
| 05-30 04:18 | 20m | - / - | CO8ZZ | -8 / - | 2 | Partial |
Station Log
20m
UTC dB Freq Message 135400 -6 957 RK4CH TA4INO -12 135415 +11 956 TA4INO RK4CH R-17 135430 -14 2393 RK4CH UA9LLE MO27 135430 -7 957 RK4CH TA4INO RR73 135445 +7 956 TA4INO RK4CH 73 135530 -9 2393 RK4CH UA9LLE MO27 013315 -1 579 RK4CH HI3A -17 (x2) 013430 -9 426 HI3A RK4CH R-13 013445 +2 426 RK4CH HI3A RR73 023715 +17 357 RK4CH 7Z1DN -06 (x2) 035730 -7 2354 OM2IB RK4CH LO32 (x3)
40m
UTC dB Freq Message 035400 +2 1870 RK4CH YO3JW 73 035430 -8 1240 RK4CH R5AV -12 035700 -11 1241 RK4CH R2ASV -07 035700 -3 1334 RK4CH SN1A -07 035730 -9 1242 RK4CH R2ASV RR73 040100 -4 2050 RK4CH DF7GG JO42 (x3) 025330 -14 1141 RK4CH OJ0MN -02 025400 -10 1141 RK4CH RR73; R6ZB <...> +00 031700 -9 2096 RK4CH IQ9BF -11 (x2) 031800 -13 2097 RK4CH RR73; W9EDD <...> -26 031830 -21 918 RK4CH RM5F KO85 (x2)
80m
UTC dB Freq Message 020430 -9 2656 RK4CH RO3ZR R-01 004630 -11 582 CQ RK4CH LO32 (x3) 004800 -2 1514 RK4CH CT1BFP IM59 (x3) 004915 -17 1517 CT1BFP RK4CH -18 004930 -6 1514 RK4CH CT1BFP IM59 004945 -24 1515 CT1BFP RK4CH -16 005030 -5 1514 RK4CH CT1BFP IM59 (x5)
10m
UTC dB Freq Message 085800 -22 2341 RX3VF RK4CH LO32 085815 -12 2342 RK4CH RX3VF -12 085830 -22 2341 RX3VF RK4CH R+02 085845 -12 2342 RK4CH RX3VF RR73 090115 +7 2546 RK4CH R2EA/P -06 (x2) 093230 +5 1794 RK4CH PD1GP -15 (x3) 062200 -15 1143 RK4CH UA1AEL -10 (x2) 062800 -7 668 LA1HW RK4CH LO32 062945 -8 1432 RK4CH R5FY KO85