WO4SFA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving WO4SFA, decoded by SO8OO in southeastern Poland. 174 related FT8 messages, observed on 80m, 40m, 20m, across 24 UTC dates. Heard between 2026-05-23 and 2026-08-20.
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 WO4SFA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by WO4SFA
Approximate centre of FM05, decoded 2026-08-21 00:08 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 | WO4SFA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 00:40 | 40m | - / - | F5NBU | +12 / - | 2 | Partial capture |
| 08-21 00:06 | 20m | -12 / - | II7MGBR | - / - | 2 | Partial capture |
| 08-21 00:05 | 20m | -20 / - | A61OK | - / - | 2 | Partial capture |
| 08-20 23:59 | 20m | - / -12 | 7Z1BQ | -12 / - | 2 | ✓ Closing fragment |
| 08-20 23:47 | 20m | -7 / - | SP9FOW | - / -2 | 3 | ✓ Closing fragment |
| 08-20 23:45 | 20m | -9 / - | 8Z1IT | - / -2 | 3 | ✓ Closing fragment |
| 08-20 23:36 | 20m | -12 / - | 5B4ARQ | - / -18 | 2 | ✓ Closing fragment |
| 08-20 23:24 | 20m | - / -18 | XQ1KK | -8 / - | 4 | Partial capture |
| 08-12 03:46 | 20m | - / - | F4JCU | -22 / - | 3 | Partial capture |
| 08-12 03:10 | 40m | - / - | US2UM | -10 / - | 2 | Partial capture |
| 08-12 02:55 | 80m | - / - | KV3R | -13 / - | 9 | Partial capture |
| 08-12 02:53 | 40m | - / - | YO9IAB | -12 / - | 2 | Partial capture |
| 08-12 02:42 | 40m | - / - | US2UM | -7 / - | 3 | Partial capture |
| 08-12 02:32 | 40m | - / - | SP2BRZ | -8 / - | 2 | Partial capture |
| 08-12 02:30 | 40m | - / -5 | OE8DDX | -12 / - | 2 | Partial capture |
| 08-12 02:29 | 80m | - / - | KV3R | -20 / - | 3 | Partial capture |
| 08-12 02:24 | 80m | - / - | OH1MLZ | +19 / - | 2 | Partial capture |
| 08-12 02:04 | 80m | -21 / -5 | PI4DX | +6 / -10 | 3 | ✓ Full exchange observed |
| 08-02 15:06 | 20m | - / - | IU3QWQ | -10 / - | 2 | Partial capture |
| 08-02 01:32 | 40m | - / -20 | UV5EEO | +2 / - | 5 | ✓ Closing fragment |
| 07-31 20:06 | 20m | - / -16 | PD0WC | -1 / - | 2 | ✓ Closing fragment |
| 07-31 00:07 | 40m | - / - | G5TV | -19 / - | 10 | Partial capture |
| 07-30 23:20 | 40m | - / - | G5TV | -20 / - | 4 | Partial capture |
| 07-18 23:20 | 40m | - / -12 | DK7ZT | -22 / - | 2 | Partial capture |
| 07-18 22:59 | 20m | - / - | US5HL | -5 / - | 2 | Partial capture |
| 07-17 23:46 | 40m | - / - | ON3ABR | -15 / - | 7 | Partial capture |
| 07-17 23:43 | 40m | - / -11 | DK7ZT | -17 / - | 3 | Partial capture |
| 07-10 21:38 | 20m | - / - | EA7LGM | 0 / - | 8 | Partial capture |
| 07-10 21:31 | 20m | - / - | IU5RBX | -15 / - | 6 | Partial capture |
| 07-10 21:31 | 20m | - / -6 | EC5M | +4 / - | 2 | ✓ Closing fragment |
| 07-10 21:27 | 20m | - / - | IU5RBX | -20 / - | 4 | Partial capture |
| 07-09 20:53 | 20m | - / - | M0CKX | -6 / - | 3 | Partial capture |
| 07-09 20:49 | 20m | - / -19 | M6YJB | -8 / - | 3 | Partial capture |
| 07-09 20:47 | 20m | - / - | IC8TEM | -12 / - | 3 | Partial capture |
| 07-06 00:23 | 40m | - / -9 | DK7ZT | -20 / - | 2 | Partial capture |
| 07-03 00:38 | 20m | -11 / - | BG0DLA | - / - | 6 | Partial capture |
| 07-03 00:35 | 20m | -7 / - | 3Z0KO | - / -14 | 2 | Partial capture |
| 07-03 00:32 | 20m | -9 / -11 | YU7AS | -18 / -3 | 7 | ✓ Full exchange observed |
| 07-03 00:30 | 20m | -6 / - | BG0DLA | - / - | 4 | Partial capture |
| 07-03 00:29 | 20m | -12 / - | 9K2MP | - / - | 2 | Partial capture |
| 06-25 23:28 | 20m | - / -15 | 4Z5PT | -14 / - | 3 | ✓ Closing fragment |
| 06-23 23:54 | 20m | - / - | F5PBG | -4 / - | 2 | Partial capture |
| 06-23 23:03 | 20m | - / - | EA3IDY | -15 / - | 4 | Partial capture |
| 06-18 23:20 | 40m | - / +3 | F5PBG | 0 / - | 3 | ✓ Closing fragment |
| 06-18 22:58 | 40m | - / - | F5PBG | +3 / - | 3 | Partial capture |
| 06-17 23:00 | 20m | - / -20 | IZ5UFW | +2 / - | 2 | ✓ Closing fragment |
| 06-17 22:58 | 20m | - / -1 | MI0FBI | 0 / - | 2 | ✓ Closing fragment |
| 06-12 13:23 | 20m | - / - | M6BLV | +4 / - | 3 | Partial capture |
| 06-10 21:28 | 20m | - / -11 | EA8UP | -4 / - | 2 | ✓ Closing fragment |
| 06-05 19:44 | 20m | - / -14 | EA2EED | +3 / - | 8 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 023145 -8 1790 WO4SFA DL1USB JO60 023215 -12 2468 WO4SFA SP2BRZ JO94 (x2) 024215 -12 2342 WO4SFA US2UM KO50 (x3) 024545 -12 1032 WO4SFA SP3HIF JO82 025245 -20 1639 WO4SFA LZ3AN KN22 025315 -12 2451 WO4SFA YO9IAB KN25 (x2) 031045 -9 2337 WO4SFA US2UM KO50 (x2) 004000 +11 1005 WO4SFA F5NBU JN28 (x2) 004400 -4 1005 WO4SFA 4Z4DX KM72
UTC dB Audio Message 233815 -12 763 VE1WT WO4SFA FM05 234530 -10 547 8Z1IT WO4SFA FM05 (x3) 234700 -6 406 SP9FOW WO4SFA FM05 (x3) 235100 -14 278 KJ5CYH WO4SFA FM05 235945 -10 1241 WO4SFA 7Z1BQ -12 (x2) 000530 -19 1121 A61OK WO4SFA FM05 (x2) 000630 -13 840 II7MGBR WO4SFA FM05 (x2) 000800 -14 278 KJ5CYH WO4SFA FM05
UTC dB Audio Message 021730 -23 1061 KV3R WO4SFA FM05 022400 +20 2558 WO4SFA OH1MLZ KP23 (x2) 022900 -19 1062 WO4SFA KV3R FM08 (x12)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.