F5SJF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F5SJF, decoded by SO8OO in southeastern Poland. 992 related FT8 messages, 811 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-05-26 and 2026-08-19.
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 F5SJF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by F5SJF
Approximate centre of JN08, decoded 2026-08-23 19:24 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 | F5SJF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 19:24 | 40m | -6 / - | HB0/HB9FXF | - / - | 2 | Partial capture |
| 08-23 14:23 | 20m | +8 / - | RI1FJL | - / - | 5 | Partial capture |
| 08-22 08:06 | 20m | -8 / - | VK6BAD | - / -19 | 2 | Partial capture |
| 08-22 05:43 | 20m | -7 / - | VK7DG | - / - | 3 | Partial capture |
| 08-20 04:18 | 20m | -15 / - | KT4DZ | - / -19 | 3 | ✓ Closing fragment |
| 08-20 03:19 | 20m | -18 / - | YV5AEZ | - / -5 | 5 | ✓ Closing fragment |
| 08-20 03:18 | 20m | -15 / - | K5WVF | - / -16 | 2 | ✓ Closing fragment |
| 08-20 03:15 | 20m | -20 / - | KB8BSN | - / - | 2 | Partial capture |
| 08-20 03:02 | 20m | -10 / - | K1EDR | - / - | 2 | Partial capture |
| 08-20 03:00 | 20m | -20 / - | KT4DZ | - / - | 3 | Partial capture |
| 08-20 01:24 | 80m | -24 / - | KM0T | - / - | 9 | Partial capture |
| 08-20 01:11 | 80m | -24 / - | KM0T | - / - | 3 | Partial capture |
| 08-19 23:25 | 80m | -21 / - | KB1HY | - / - | 5 | Partial capture |
| 08-19 20:32 | 80m | -20 / - | V81MRR | - / - | 3 | Partial capture |
| 08-19 03:20 | 80m | -11 / - | N1WI | - / - | 9 | ✓ Closing fragment |
| 08-19 03:03 | 80m | -17 / - | N1WI | - / - | 28 | ✓ Closing fragment |
| 08-19 02:16 | 80m | -18 / - | N1WI | - / - | 63 | ✓ Closing fragment |
| 08-19 01:12 | 80m | -20 / - | N1WI | - / - | 2 | Partial capture |
| 08-19 01:06 | 80m | -21 / - | KC9K | - / - | 8 | Partial capture |
| 08-19 01:03 | 80m | -20 / - | K4WWA | - / - | 3 | Partial capture |
| 08-19 00:59 | 80m | -22 / - | KC9K | - / - | 6 | Partial capture |
| 08-18 19:17 | 80m | -20 / - | XQ3SK | - / - | 2 | Partial capture |
| 08-16 03:21 | 80m | -20 / - | K1EZ | - / - | 4 | Partial capture |
| 08-16 03:13 | 80m | -18 / - | N1WI | - / - | 2 | Partial capture |
| 08-16 03:08 | 80m | -18 / - | N1WI | - / - | 4 | Partial capture |
| 08-16 03:00 | 80m | -24 / - | N1WI | - / - | 6 | Partial capture |
| 08-16 02:49 | 80m | -23 / - | N1WI | - / - | 14 | Partial capture |
| 08-16 02:34 | 80m | -19 / - | KF4CCG | - / - | 3 | Partial capture |
| 08-16 00:51 | 80m | -11 / - | N5MIG | - / - | 3 | Partial capture |
| 08-16 00:35 | 80m | -10 / - | HB10GBT | - / - | 3 | Partial capture |
| 08-15 23:19 | 80m | -15 / -15 | POTA/DO9REF | -3 / +9 | 4 | Partial capture |
| 08-15 23:14 | 80m | -7 / - | POTA/DO9REF | - / - | 3 | Partial capture |
| 08-14 03:20 | 80m | - / -23 | F4NGK | -24 / - | 4 | Partial capture |
| 08-14 03:13 | 80m | -8 / - | KM0T | - / - | 2 | Partial capture |
| 08-11 16:26 | 20m | -22 / - | KS1WK | - / - | 2 | Partial capture |
| 08-10 13:42 | 20m | - / - | T77RN | -10 / - | 2 | ✓ Closing fragment |
| 08-10 07:44 | 20m | -20 / - | 3A2MW | - / -13 | 2 | Partial capture |
| 08-10 05:27 | 20m | -18 / - | T64TUH/R | - / - | 2 | Partial capture |
| 08-10 02:54 | 80m | -8 / - | K4YT | - / - | 3 | ✓ Closing fragment |
| 08-10 02:40 | 80m | -4 / - | NG5U | - / - | 3 | Partial capture |
| 08-10 01:46 | 80m | -15 / -5 | GB8VJ | -9 / +2 | 3 | ✓ Full exchange observed |
| 08-10 01:10 | 80m | -5 / - | A9QHE/R | - / - | 52 | ✓ Closing fragment |
| 08-10 00:23 | 80m | - / - | DK4ET | 0 / - | 2 | Partial capture |
| 08-10 00:11 | 80m | - / - | DK4ET | -8 / - | 2 | Partial capture |
| 08-09 23:59 | 80m | -6 / - | A9QHE/R | - / - | 109 | ✓ Closing fragment |
| 08-08 13:19 | 20m | -15 / - | KC1OWD | - / - | 5 | ✓ Closing fragment |
| 08-07 03:49 | 40m | -22 / - | Z34K | - / - | 2 | Partial capture |
| 08-07 03:42 | 40m | -20 / - | Z34K | - / - | 5 | Partial capture |
| 08-05 16:12 | 20m | -4 / - | 3B8GL | - / - | 6 | Partial capture |
| 08-05 16:08 | 20m | -5 / - | 3B8GL | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 040400 -19 1360 K1MRE F5SJF JN08 (x2) 034245 -22 2144 Z34K F5SJF JN08 (x9) 040830 -4 2908 W9JJ F5SJF JN08 041030 -20 1334 SP0DF F5SJF -14 192415 -5 1518 HB0/HB9FXF F5SJF JN08 (x2)
UTC dB Audio Message 032200 -18 1435 YV5AEZ F5SJF RR73 034500 -21 1674 KT4DZ F5SJF JN08 (x4) 054315 -2 1856 VK7DG F5SJF JN08 (x3) 080645 -9 2071 VK6BAD F5SJF JN08 (x2) 142345 +8 525 RI1FJL F5SJF JN08 (x5)
UTC dB Audio Message 232700 -20 1012 KB1HY F5SJF JN08 011130 -24 1902 KM0T F5SJF JN08 (x13) 032245 -17 2205 W1CDO F5SJF JN08
UTC dB Audio Message 150715 -13 2622 CQ DX F5SJF JN08 (x3) 151745 -19 2134 PY8ZB F5SJF JN08 (x2) 152315 -20 2134 CQ DX F5SJF JN08 153600 -7 1778 F5SJF IQ3UCY R-07 (x2) 153800 -24 1874 F5SJF CS7BDU R-12 154600 -1 1697 F5SJF IU4PPL JN54 193345 -18 1246 CQ DX F5SJF JN08 (x3) 082600 -23 1742 R2FDS F5SJF R-10 153945 -9 388 T77RN F5SJF JN08
UTC dB Audio Message 060245 -17 1008 F5SJF SP3IPA JO82 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.