R4FJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R4FJ, decoded by SO8OO in southeastern Poland. 1,044 related FT8 messages, observed on 160m, 80m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-04-27 and 2026-07-21.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations R4FJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R4FJ
Approximate centre of LO23, decoded 2026-07-21 15:22 UTC. A transmitted locator is not proof of the operator's permanent location.
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | R4FJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-21 15:25 | 20m | -16 / - | DM6KW | - / +1 | 2 | ✓ Closing fragment |
| 07-21 15:20 | 20m | -21 / - | RN3ZBX | - / - | 3 | Partial capture |
| 07-21 15:17 | 20m | -13 / - | DH2RL | - / +7 | 5 | ✓ Closing fragment |
| 07-21 15:02 | 20m | -22 / - | YB7SKM | - / - | 4 | Partial capture |
| 07-21 15:01 | 20m | -23 / -18 | LA5XX | -17 / - | 2 | Partial capture |
| 07-21 14:50 | 20m | - / -19 | F5SZY | +12 / - | 2 | ✓ Closing fragment |
| 07-21 14:23 | 20m | - / -18 | PD7BB | -12 / - | 2 | ✓ Closing fragment |
| 07-21 06:42 | 10m | - / +7 | UA6CEY | -14 / - | 2 | ✓ Closing fragment |
| 07-19 09:18 | 10m | - / - | RA7KW | -22 / - | 2 | Partial capture |
| 07-19 09:13 | 10m | - / -19 | DL8WEM | -19 / - | 3 | ✓ Closing fragment |
| 07-19 09:07 | 10m | - / -18 | R6TA | -7 / - | 6 | ✓ Closing fragment |
| 07-19 09:03 | 10m | - / -15 | R7DX | -10 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 150315 -23 1662 YB7SKM R4FJ LO23 (x2) 150445 -16 2205 LU3HFS R4FJ LO23 151715 -12 1104 DH2RL R4FJ LO23 (x5) 152045 -18 1477 RN3ZBX R4FJ LO23 (x3) 152215 -23 1949 LA1HSA R4FJ LO23 152445 -21 2043 SQ9KWU R4FJ 73 152545 -16 1078 DM6KW R4FJ R+01 (x2)
UTC dB Audio Message 090900 -8 738 R4FJ R6TA R-18 (x2) 091330 -17 1531 R4FJ DL8WEM JN48 (x3) 091600 -15 2476 R4FJ R6FFB RR73 091830 -23 1868 R4FJ RA7KW KN74 (x2) 092600 -13 862 R4FJ RC6OZ KN98 062230 -16 2287 R4FJ RA7T +06 062430 -14 895 R4FJ RA6ATZ KN96 064230 -17 2313 R4FJ UA6CEY +07 (x2) 064400 -18 2390 R4FJ R6TY -08 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.