RK3OS — FT8 station from European Russia
Amateur radio station RK3OS operating from European Russia (grid square KO90). 1,131 FT8 spots received at SO8OO WebSDR, 53 CQ calls, active on 80m, 40m, 20m, over 34 days, best SNR +22 dB. Heard between 2026-04-29 and 2026-06-26.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
1,131
Total spots
53
CQ calls
34
Days active
-4 dB
Avg SNR
Bands
80m
40m
20m
First seen: 2026-04-29
Last seen: 2026-06-26 04:36 UTC
Last seen: 2026-06-26 04:36 UTC
Frequent QSO partners observed at SO8OO
Stations RK3OS worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RK3OS | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-26 06:47 | 20m | - / -5 | R4FDW | -2 / - | 2 | ✓ Confirmed |
| 06-26 06:44 | 20m | - / - | M0DRN | -10 / - | 5 | Partial |
| 06-26 06:41 | 20m | - / - | ON8CA | -12 / - | 4 | Partial |
| 06-26 06:38 | 20m | - / -12 | DL1UDO | -13 / - | 4 | Partial |
| 06-26 06:32 | 20m | -11 / -13 | 9A4ZM | -9 / - | 3 | Partial |
| 06-26 06:31 | 20m | - / -13 | IZ1HJU | -8 / - | 4 | ✓ Confirmed |
| 06-26 06:27 | 20m | - / -12 | PD0RWH | -11 / - | 6 | Partial |
| 06-26 06:24 | 20m | - / -13 | EA5ISA | -11 / - | 4 | ✓ Confirmed |
| 06-26 06:23 | 20m | -9 / - | 9A4ZM | - / - | 3 | Partial |
| 06-26 06:22 | 20m | - / -12 | IQ0OS | -11 / - | 4 | ✓ Confirmed |
| 06-26 06:17 | 20m | - / -11 | R6TA | 0 / - | 3 | ✓ Confirmed |
| 06-26 06:14 | 20m | -7 / -9 | HB9EFK | +7 / -13 | 5 | ✓ Complete |
| 06-24 19:49 | 40m | -12 / -7 | HG8IT | -13 / -3 | 3 | Partial |
| 06-24 19:46 | 40m | - / -11 | AO25HSJ | -11 / - | 2 | Partial |
| 06-24 19:43 | 40m | - / - | II9RICT | -4 / - | 4 | Partial |
| 06-24 19:37 | 40m | -2 / - | IK4LZH | - / - | 4 | Partial |
| 06-24 19:34 | 40m | - / -13 | F1UNR | -11 / - | 4 | ✓ Confirmed |
| 06-24 19:24 | 40m | - / -8 | IR0RPER | -2 / - | 3 | Partial |
| 06-24 18:46 | 40m | -10 / -5 | E71AT | -8 / - | 4 | ✓ Complete |
| 06-24 18:45 | 40m | - / - | EI8GS | -13 / - | 3 | Partial |
| 06-24 18:38 | 40m | - / - | EI8GS | -15 / - | 3 | Partial |
| 06-24 18:26 | 40m | - / - | IW8XOU | -4 / - | 2 | Partial |
| 06-24 02:56 | 40m | - / - | PV8AJ | -19 / - | 2 | Partial |
| 06-24 02:53 | 40m | - / -13 | HC2GRC | -6 / - | 4 | ✓ Confirmed |
| 06-06 08:23 | 20m | - / -7 | PD1ADA | +4 / - | 2 | ✓ Confirmed |
| 06-06 08:23 | 20m | -6 / - | PA2KV | - / - | 2 | Partial |
| 06-06 08:17 | 20m | - / -13 | IW8XLD | +3 / - | 6 | Partial |
| 06-06 08:14 | 20m | - / -12 | DB2VS | +5 / - | 5 | ✓ Confirmed |
| 06-06 08:12 | 20m | - / - | IQ0VT | +10 / - | 2 | Partial |
| 06-03 09:35 | 20m | - / -7 | RA6FSV | -3 / - | 4 | ✓ Confirmed |
| 06-03 09:32 | 20m | - / -7 | VO1AW | +3 / - | 3 | ✓ Confirmed |
| 06-03 09:27 | 20m | -4 / -11 | IQ9BF | -4 / - | 6 | ✓ Verified |
| 06-03 09:23 | 20m | - / - | 2E0UMK | -11 / - | 2 | Partial |
| 06-03 09:21 | 20m | -6 / - | RA4CX | - / - | 4 | ✓ Confirmed |
| 06-03 09:19 | 20m | - / -12 | MW3FLI | 0 / - | 4 | ✓ Confirmed |
| 06-01 18:18 | 80m | -2 / - | DO9KB | - / -7 | 2 | ✓ Confirmed |
| 06-01 18:13 | 80m | - / -1 | R9FAK | -8 / - | 2 | ✓ Confirmed |
| 06-01 18:12 | 80m | -17 / - | RA3BY | -13 / -5 | 6 | ✓ Verified |
| 06-01 18:11 | 80m | -9 / - | RG7O | - / - | 3 | Partial |
| 06-01 18:11 | 80m | -9 / +6 | RK4FD | -6 / - | 10 | ✓ Complete |
| 06-01 18:11 | 80m | -5 / +2 | RA6FC | -2 / -2 | 6 | ✓ Complete |
| 06-01 18:10 | 80m | -18 / - | SV1TRJ | - / -12 | 2 | ✓ Confirmed |
| 06-01 18:10 | 80m | -17 / +1 | UA4HJ | 0 / -3 | 7 | ✓ Complete |
| 05-30 10:25 | 20m | -22 / - | RG1L | -12 / -4 | 2 | ✓ Verified |
| 05-30 10:23 | 20m | - / -7 | MI7JQH | -16 / - | 4 | Partial |
| 05-30 10:08 | 20m | - / -15 | HA8DG | -2 / - | 2 | Partial |
| 05-30 10:02 | 20m | -17 / -4 | PE1NPS | +5 / -18 | 6 | ✓ Complete |
| 05-30 10:01 | 20m | -18 / -11 | DK1MBY | -4 / - | 3 | Partial |
| 05-30 10:01 | 20m | - / -3 | DJ1TU | +1 / - | 3 | ✓ Confirmed |
| 05-30 09:58 | 20m | - / -11 | OE5PEN | +1 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 063800 -13 1410 DL1UDO RK3OS KO90 (x4) 064115 -14 1276 ON8CA RK3OS KO90 (x4) 064415 -10 2412 M0DRN RK3OS KO90 (x5) 064745 -3 2405 R4FDW RK3OS R-05 (x2)
40m
UTC dB Freq Message 193715 -7 2590 RK3OS F1PBZ -03 193745 -4 536 RK3OS IK4LZH JN54 (x3) 194030 -5 593 CQ RK3OS KO90 a1 194315 -8 752 II9RICT RK3OS KO90 (x4) 194515 -10 1368 IQ3UCY RK3OS KO90 194645 -11 1301 AO25HSJ RK3OS KO90 (x2) 194900 -11 1302 RK3OS HG8IT -03 (x2) 194945 -13 1302 HG8IT RK3OS R-07
80m
UTC dB Freq Message 181400 -1 2503 UA4HJ RK3OS R+01 181415 -14 1528 RK3OS RA3BY KO75 181415 -19 2503 RK3OS UA4HJ RR73 181430 +1 2503 UA4HJ RK3OS 73 181445 -23 1528 RK3OS RA3BY KO75 (x2) 181530 -13 1528 RA3BY RK3OS RR73 181545 -14 1528 RK3OS RA3BY 73 181545 -5 1095 RK3OS RK4FD LO22 181600 -7 1095 RK4FD RK3OS +06 181615 -5 1095 RK3OS RK4FD R+17 181630 -5 1095 RK4FD RK3OS RR73 181645 -2 1095 RK3OS RK4FD 73 181800 -4 1208 RK3OS DO9KB -07 (x2)