OA4CLU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving OA4CLU, decoded by SO8OO in southeastern Poland. 736 related FT8 messages, 18 CQ messages, observed on 80m, 40m, 20m, across 12 UTC dates. Heard between 2026-07-27 and 2026-08-23.
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 OA4CLU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by OA4CLU
Approximate centre of FH17, decoded 2026-08-23 04:15 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 | OA4CLU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 04:30 | 40m | - / -5 | PD0BKL | -14 / - | 2 | Partial capture |
| 08-23 04:24 | 40m | - / - | IK4LZH | +7 / - | 3 | Partial capture |
| 08-23 04:13 | 40m | - / - | PC2F | -10 / - | 2 | Partial capture |
| 08-23 04:11 | 40m | - / - | IW9FRA | -21 / - | 5 | Partial capture |
| 08-23 04:08 | 40m | -19 / - | LW2HAH | - / -20 | 2 | Partial capture |
| 08-23 04:07 | 40m | - / - | IW9FRA | -21 / - | 3 | Partial capture |
| 08-23 04:07 | 40m | -20 / -8 | US8KA | -12 / -13 | 6 | ✓ Full exchange observed |
| 08-23 04:05 | 40m | - / - | EA5HM | -7 / - | 5 | Partial capture |
| 08-23 04:04 | 40m | -18 / -18 | IZ8DBJ | +10 / -16 | 5 | ✓ Full exchange observed |
| 08-23 04:04 | 40m | - / - | EW6BZ | -4 / - | 5 | Partial capture |
| 08-23 04:02 | 40m | -18 / - | AK6MB | - / -14 | 2 | Partial capture |
| 08-23 03:59 | 40m | -19 / - | IZ8DBJ | - / -18 | 5 | Partial capture |
| 08-23 03:58 | 40m | -18 / -13 | IU0NAD | +1 / -17 | 4 | ✓ Full exchange observed |
| 08-23 03:58 | 40m | - / - | EW6BZ | -7 / - | 2 | Partial capture |
| 08-23 03:57 | 40m | - / -15 | PA4PA | +12 / - | 3 | ✓ Closing fragment |
| 08-23 03:57 | 40m | - / - | RD3FY | -1 / - | 4 | Partial capture |
| 08-23 03:56 | 40m | - / - | IZ8DBJ | +3 / - | 3 | Partial capture |
| 08-23 03:56 | 40m | - / - | RD7O | -11 / - | 5 | Partial capture |
| 08-23 03:55 | 40m | - / -15 | UA6LET | -12 / - | 6 | Partial capture |
| 08-23 03:54 | 40m | -20 / - | 9J2FI | - / - | 2 | Partial capture |
| 08-23 03:16 | 80m | - / - | UT7UA | -4 / - | 7 | Partial capture |
| 08-18 03:56 | 80m | - / -15 | 9A5E | -1 / - | 5 | ✓ Closing fragment |
| 08-18 03:53 | 80m | - / - | F4BPO | -16 / - | 2 | Partial capture |
| 08-18 03:52 | 80m | - / -23 | SP9UPH | +12 / - | 5 | ✓ Closing fragment |
| 08-18 03:51 | 80m | - / - | IK0SHH | -2 / - | 23 | Partial capture |
| 08-18 03:47 | 80m | - / - | F4BPO | +8 / - | 3 | Partial capture |
| 08-18 03:42 | 80m | - / - | IV3GOW | +6 / - | 4 | Partial capture |
| 08-18 03:42 | 80m | - / - | SP9IZV | +10 / - | 2 | Partial capture |
| 08-18 03:41 | 80m | - / -18 | EA3JW | -9 / - | 8 | ✓ Closing fragment |
| 08-18 03:40 | 80m | - / -19 | SP7XIF | +5 / - | 2 | Partial capture |
| 08-18 03:38 | 80m | - / - | IK0SHH | +2 / - | 21 | Partial capture |
| 08-18 03:36 | 80m | - / -15 | DL4ME | +11 / - | 5 | Partial capture |
| 08-18 03:28 | 80m | - / - | UT7UA | -10 / - | 7 | Partial capture |
| 08-18 03:21 | 80m | - / -19 | DK7ZT | -3 / - | 5 | ✓ Closing fragment |
| 08-18 03:18 | 80m | - / -18 | UR5SG | +12 / - | 3 | ✓ Closing fragment |
| 08-18 03:18 | 80m | - / -16 | US2YW | -4 / - | 5 | ✓ Closing fragment |
| 08-18 03:17 | 80m | - / -22 | UR4SXA | +10 / - | 3 | ✓ Closing fragment |
| 08-18 03:15 | 80m | - / -25 | DK7ZT | -5 / - | 5 | Partial capture |
| 08-18 03:13 | 80m | - / -14 | SP2LLP | 0 / - | 6 | ✓ Closing fragment |
| 08-18 03:09 | 80m | - / -12 | HB9ALO | -3 / - | 8 | ✓ Closing fragment |
| 08-18 03:06 | 80m | - / -23 | IK5CHL | +1 / - | 11 | ✓ Closing fragment |
| 08-18 03:06 | 80m | - / - | UT7UA | -5 / - | 31 | Partial capture |
| 08-11 03:58 | 80m | - / - | MI7XHT | -24 / - | 4 | Partial capture |
| 08-10 03:51 | 80m | - / - | IK6GTF | -15 / - | 18 | Partial capture |
| 08-10 03:48 | 80m | - / - | IK6GTF | -10 / - | 2 | Partial capture |
| 08-10 03:45 | 80m | - / -16 | RX6DA | -11 / - | 3 | Partial capture |
| 08-10 03:34 | 80m | - / - | IK6GTF | -15 / - | 16 | Partial capture |
| 08-10 03:33 | 80m | - / - | RX6DA | -11 / - | 4 | Partial capture |
| 08-10 03:32 | 80m | - / - | DL2GKW | -15 / - | 5 | Partial capture |
| 08-10 03:31 | 80m | - / - | EB7HQE | -16 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 041245 -22 1538 CQ OA4CLU FH17 041300 -11 1538 OA4CLU PC2F JO22 041300 -23 1406 OA4CLU IW9FRA JM68 041400 -10 1538 OA4CLU PC2F JO22 041400 -20 1405 OA4CLU IW9FRA JM68 (x2) 041500 -18 2478 OA4CLU OH6NEQ KP21 041530 -21 1538 KB5YNF OA4CLU FH17 042015 -4 2319 OA4CLU PD8MD JO32 042445 +7 439 OA4CLU IK4LZH JN54 (x3) 043045 -15 1538 OA4CLU PD0BKL JO33 (x2) 043345 -18 1539 OA4CLU IU8PYW -18
UTC dB Audio Message 040100 -4 1905 OA4CLU IK0SHH JN62 (x8) 031630 -11 1710 OA4CLU UT7UA KO50 (x7)
UTC dB Audio Message 045945 +3 1575 OA4CLU R3VS LO06 (x2) 030600 -18 1635 OA4CLU RV9WF R-22 (x2) 033400 -18 1889 OA4CLU RU4SS LO36 (x5) 033800 -1 2274 OA4CLU R6OK KN87 033800 -5 1573 OA4CLU UR3LM R-13 033830 -7 2273 OA4CLU R6OK KN87 033830 -11 1573 OA4CLU UR3LM 73 033900 -3 2273 OA4CLU R6OK R-19 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.