YO4AAC — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO4AAC, decoded by SO8OO in southeastern Poland. 387 related FT8 messages, 121 CQ messages, observed on 80m, 40m, 20m, 10m, across 31 UTC dates. Heard between 2026-05-26 and 2026-08-22.
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 YO4AAC worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO4AAC
Approximate centre of KN35, decoded 2026-08-22 06:58 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 | YO4AAC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 08:13 | 10m | - / - | OZ5AGJ | -20 / - | 3 | Partial capture |
| 08-22 08:03 | 10m | - / +8 | IK4LZH | +7 / - | 3 | ✓ Closing fragment |
| 08-22 08:00 | 10m | - / -1 | F1PBZ | -2 / - | 2 | ✓ Closing fragment |
| 08-22 06:51 | 20m | - / - | DG5PW | -8 / - | 2 | Partial capture |
| 08-21 14:18 | 10m | - / -7 | IK1RQX | 0 / - | 3 | ✓ Closing fragment |
| 08-21 14:10 | 10m | - / - | DO4RP | -19 / - | 8 | Partial capture |
| 08-21 14:02 | 10m | - / - | DO1FDK | -2 / - | 2 | Partial capture |
| 08-21 13:58 | 10m | - / +3 | ON7HM | -10 / - | 7 | ✓ Closing fragment |
| 08-21 13:52 | 10m | - / - | ON7HM | -6 / - | 3 | Partial capture |
| 08-21 09:21 | 10m | - / - | DO1ANB | -18 / - | 6 | Partial capture |
| 08-21 09:18 | 10m | - / -21 | DK1MBY | -8 / - | 4 | ✓ Closing fragment |
| 08-21 09:11 | 10m | - / - | DK1MBY | -12 / - | 8 | Partial capture |
| 08-21 09:11 | 10m | - / - | IK4LZH | +10 / - | 4 | Partial capture |
| 08-21 09:10 | 10m | - / +5 | IZ3ZOG | +1 / - | 3 | ✓ Closing fragment |
| 08-07 08:33 | 20m | - / -14 | F1PBZ | -12 / - | 2 | ✓ Closing fragment |
| 07-31 19:27 | 40m | -15 / - | BA4II | - / -16 | 5 | Partial capture |
| 07-31 19:25 | 40m | -13 / -8 | EU1EU | -16 / -4 | 4 | ✓ Full exchange observed |
| 07-31 19:23 | 40m | -12 / -9 | RD3FY | -16 / -2 | 4 | ✓ Full exchange observed |
| 07-12 18:12 | 40m | -17 / - | DD6IO | - / -10 | 2 | ✓ Closing fragment |
| 07-12 18:08 | 40m | -14 / - | T22TT | - / -18 | 2 | Partial capture |
| 07-04 17:46 | 20m | - / -4 | II7WWA | -4 / - | 2 | ✓ Closing fragment |
| 06-30 05:38 | 20m | -10 / -8 | II1WWA | -24 / - | 2 | Partial capture |
| 06-29 21:47 | 40m | -14 / -4 | GB2WWA | -16 / - | 3 | ✓ Closing observed |
| 06-29 21:13 | 40m | - / -4 | TM2WWA | -11 / - | 2 | Partial capture |
| 06-29 21:10 | 40m | -17 / - | 8A1WWA | - / - | 3 | Partial capture |
| 06-29 21:09 | 40m | -17 / - | TM2WWA | - / - | 2 | Partial capture |
| 06-29 21:07 | 40m | -16 / - | II9WWA | - / -4 | 4 | ✓ Closing fragment |
| 06-29 21:06 | 40m | -16 / - | BI4SSB | - / - | 2 | Partial capture |
| 06-29 21:06 | 40m | - / - | SP9MOA | -19 / - | 3 | Partial capture |
| 06-29 21:05 | 40m | -16 / - | II0WWA | - / -22 | 2 | ✓ Closing fragment |
| 06-29 04:38 | 40m | -24 / -1 | SN2WWA | -19 / -14 | 2 | Partial capture |
| 06-28 07:22 | 20m | -24 / -8 | F1PSX | -8 / - | 6 | ✓ Closing observed |
| 06-27 19:38 | 40m | -18 / - | IQ7PU | - / - | 3 | Partial capture |
| 06-27 13:42 | 20m | -17 / -8 | <...> | -20 / -10 | 5 | Partial capture |
| 06-27 08:26 | 20m | -20 / -16 | IQ5AAR | -7 / -9 | 4 | ✓ Full exchange observed |
| 06-27 08:12 | 20m | -20 / -17 | DL1R | -15 / -8 | 9 | ✓ Full exchange observed |
| 06-25 19:11 | 40m | -8 / +4 | II0RTER | -3 / -4 | 2 | Partial capture |
| 06-25 19:06 | 40m | -15 / - | <...> | - / -25 | 14 | Partial capture |
| 06-25 06:29 | 20m | -21 / - | I4BUQ | - / - | 3 | Partial capture |
| 06-25 06:27 | 20m | -16 / -1 | <...> | -20 / -4 | 3 | Partial capture |
| 06-25 06:25 | 20m | -15 / - | IQ9GD | - / - | 2 | Partial capture |
| 06-23 06:40 | 40m | -17 / - | IQ4JO | - / - | 4 | Partial capture |
| 06-19 10:07 | 20m | -15 / -8 | IR0RPER | -7 / -15 | 5 | Partial capture |
| 06-19 09:58 | 20m | -8 / - | IQ3UCY | -11 / -20 | 5 | ✓ Closing observed |
| 06-18 19:02 | 20m | - / +3 | IQ7PU | -2 / - | 2 | ✓ Closing fragment |
| 06-18 06:13 | 40m | -11 / - | IQ4JO | - / - | 3 | Partial capture |
| 06-18 06:10 | 40m | -14 / - | IQ4FJ | - / - | 3 | Partial capture |
| 06-17 10:17 | 20m | - / -9 | SP2KW | -14 / - | 3 | ✓ Closing fragment |
| 06-16 17:23 | 40m | -10 / -4 | IQ3UCY | -10 / - | 4 | ✓ Closing observed |
| 06-16 17:22 | 40m | -11 / - | YO2LQF | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 141415 -22 1926 YO4AAC DO4RP JO31 (x3) 141845 -1 2108 YO4AAC IK1RQX JN44 (x3) 080045 +1 2588 YO4AAC F1PBZ -01 (x2) 080315 +5 492 YO4AAC IK4LZH JN54 (x3) 080915 -13 1479 YO4AAC OZ5AGJ JO47 (x4)
UTC dB Audio Message 065145 -14 1758 CQ YO4AAC KN35 (x3) 065300 -1 1758 YO4AAC DG5PW JO30 065315 -12 1758 CQ YO4AAC KN35 (x11)
UTC dB Audio Message 192330 -12 1350 RD3FY YO4AAC RR73 192345 -15 1350 YO4AAC RD3FY 73 192400 -14 1350 CQ YO4AAC KN35 (x3) 192545 -16 1033 YO4AAC EU1EU -08 192600 -13 1350 EU1EU YO4AAC R-04 192615 -16 1033 YO4AAC EU1EU RR73 192630 -13 1350 EU1EU YO4AAC 73 192700 -16 1350 CQ YO4AAC KN35 192730 -16 1350 BA4II YO4AAC -16 (x5)
UTC dB Audio Message 183245 +0 1643 IQ6PE YO4AAC R-06 183345 -3 1643 IQ0VT YO4AAC KN35 183400 -15 2015 YO4AAC IQ0VT +00 183415 +0 1643 IQ0VT YO4AAC R-12 183430 -17 2015 YO4AAC IQ0VT RR73 183445 -3 1643 IQ0VT YO4AAC 73 183515 -1 1643 RA6ZD YO4AAC -02 183530 -14 976 YO4AAC RA6ZD R+00 183545 -4 1644 RA6ZD YO4AAC RR73 183600 -10 976 YO4AAC RA6ZD 73 183615 -7 1643 R9OOF YO4AAC -09 (x2) 183800 -4 1642 YO4AAC R7FG -03 (x2) 191245 -1 1058 IQ7KM YO4AAC KN35
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.