ON4DN — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4DN, decoded by SO8OO in southeastern Poland. 550 related FT8 messages, 167 CQ messages, observed on 80m, 60m, 40m, 20m, across 52 UTC dates. Heard between 2026-05-25 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 ON4DN worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by ON4DN
Approximate centre of JO20, decoded 2026-08-22 09:10 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 | ON4DN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 08:55 | 20m | -4 / - | M8JJS | - / - | 2 | Partial capture |
| 08-22 08:54 | 20m | -5 / - | TI5RR | - / +7 | 3 | ✓ Closing fragment |
| 08-22 08:52 | 20m | -1 / - | <...> | - / -6 | 3 | Partial capture |
| 08-22 08:48 | 20m | -12 / - | F8WAJ | 0 / -18 | 3 | ✓ Closing observed |
| 08-22 08:42 | 20m | -8 / - | EA5KCE | - / -8 | 3 | ✓ Closing fragment |
| 08-22 08:34 | 20m | -3 / - | S57BTI | 0 / +6 | 2 | ✓ Closing observed |
| 08-22 08:33 | 20m | -4 / - | DL3MIB | +15 / -7 | 11 | Partial capture |
| 08-22 07:46 | 40m | -9 / - | PD4HT | -12 / -18 | 2 | ✓ Closing observed |
| 08-22 07:44 | 40m | -8 / - | <...> | - / - | 3 | Partial capture |
| 08-21 12:29 | 40m | - / -15 | SP7ROM | -13 / - | 5 | Partial capture |
| 08-21 05:51 | 40m | -9 / - | E72PT/QRP | - / - | 2 | Partial capture |
| 08-21 05:48 | 40m | -7 / -5 | YL2JZ | -23 / - | 2 | ✓ Closing observed |
| 08-20 16:01 | 40m | -8 / - | IK2TCV | - / +4 | 2 | ✓ Closing fragment |
| 08-20 15:48 | 40m | - / - | DB3MAX | -4 / - | 2 | Partial capture |
| 08-18 10:28 | 20m | - / -9 | DL9KM | -17 / - | 3 | ✓ Closing fragment |
| 08-18 05:49 | 60m | - / -4 | DL7FE | -16 / - | 3 | ✓ Closing fragment |
| 08-18 05:38 | 80m | - / +9 | DG1YHP | -17 / - | 2 | ✓ Closing fragment |
| 08-18 05:33 | 80m | - / -7 | DL7FE | -16 / - | 2 | ✓ Closing fragment |
| 08-18 05:28 | 80m | - / -18 | DL2VN | -10 / - | 4 | ✓ Closing fragment |
| 08-18 05:25 | 80m | - / -4 | DL8TV | -11 / - | 3 | ✓ Closing fragment |
| 08-18 05:25 | 80m | - / -15 | DO1ID | 0 / - | 5 | ✓ Closing fragment |
| 08-17 17:11 | 40m | - / - | UA4FKT | -2 / - | 4 | Partial capture |
| 08-16 06:53 | 40m | - / -12 | SP9MRP | -6 / - | 2 | ✓ Closing fragment |
| 08-16 06:32 | 40m | - / -10 | SP5IDR | -16 / - | 2 | Partial capture |
| 08-16 05:16 | 80m | - / -12 | DM2JJ | -23 / - | 2 | ✓ Closing fragment |
| 08-16 05:08 | 80m | - / - | SP2BBQ | 0 / - | 4 | Partial capture |
| 08-16 05:06 | 80m | - / -8 | DG4BRT | -17 / - | 3 | ✓ Closing fragment |
| 08-16 05:04 | 80m | - / -6 | DO1MDE | -14 / - | 2 | ✓ Closing fragment |
| 08-16 04:58 | 80m | - / -1 | DO5PY | -13 / - | 4 | Partial capture |
| 08-14 19:06 | 60m | - / +9 | OM5JG | -2 / - | 2 | ✓ Closing fragment |
| 08-14 19:00 | 60m | -6 / +1 | DL3MIB | -3 / - | 5 | ✓ Full exchange observed |
| 08-14 18:56 | 60m | -6 / -7 | SP8AWL | +10 / +5 | 3 | ✓ Full exchange observed |
| 08-14 18:52 | 60m | - / -6 | LY8O | -4 / - | 3 | ✓ Closing fragment |
| 08-14 18:52 | 60m | -9 / -5 | SQ8GBG | +6 / +5 | 7 | ✓ Full exchange observed |
| 08-14 18:49 | 60m | -8 / - | DA1MS | - / -24 | 2 | ✓ Closing fragment |
| 08-14 18:46 | 60m | -8 / - | F4LJG | -8 / -13 | 3 | ✓ Closing observed |
| 08-14 08:19 | 20m | - / -18 | TA3NK | -9 / - | 3 | Partial capture |
| 08-08 11:44 | 20m | -9 / - | VA1ASP | - / -15 | 2 | Partial capture |
| 08-07 14:02 | 20m | - / - | TA3NK | -9 / - | 3 | Partial capture |
| 08-07 13:58 | 20m | - / - | TA3NK | -8 / - | 2 | Partial capture |
| 08-04 05:30 | 80m | - / -13 | DL3HN | -6 / - | 5 | Partial capture |
| 08-04 05:11 | 80m | - / -4 | TM00TFR | -8 / - | 2 | Partial capture |
| 08-04 05:09 | 80m | - / 0 | DO3VE | +4 / - | 2 | ✓ Closing fragment |
| 07-31 13:09 | 40m | - / -10 | SQ7OBH | -15 / - | 4 | ✓ Closing fragment |
| 07-31 05:26 | 40m | - / +10 | OK1FIM | 0 / - | 3 | ✓ Closing fragment |
| 07-31 05:11 | 40m | - / -2 | SP0DF | -16 / - | 2 | ✓ Closing fragment |
| 07-30 17:26 | 40m | - / -8 | SM7JKW | -5 / - | 3 | ✓ Closing fragment |
| 07-23 13:32 | 20m | -10 / - | DL6MFY | - / +10 | 2 | ✓ Closing fragment |
| 07-23 13:24 | 20m | - / -2 | F5RRS | -10 / - | 2 | Partial capture |
| 07-21 07:21 | 20m | -9 / - | DL3RAJ | - / -9 | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 123100 -13 1829 ON4DN SP7ROM R-15 (x2) 145545 -3 414 <...> ON4DN JO20 145615 -1 414 CQ ON4DN JO20 (x3) 074415 -6 406 <...> ON4DN JO20 (x3) 074615 -9 405 PD4HT ON4DN -18 074700 -12 407 ON4DN PD4HT 73 074745 -10 406 CQ ON4DN JO20 a1 085930 -22 1466 ON4DN ON1WFF RR73 091000 -10 345 CQ ON4DN JO20 (x2)
UTC dB Audio Message 084245 -7 409 EA5KCE ON4DN R-08 (x2) 084345 -8 409 EA3ISA ON4DN -17 084445 -4 409 F4JYA/P ON4DN JO20 084845 -10 353 F8WAJ ON4DN JO20 (x2) 085000 +0 353 ON4DN F8WAJ 73 085200 -4 307 <...> ON4DN JO20 (x3) 085400 -6 307 TI5RR ON4DN JO20 (x3) 085545 -6 306 M8JJS ON4DN JO20 (x2)
UTC dB Audio Message 055030 -17 1096 ON4DN DL7FE 73 055430 -2 534 ON4DN DH5NC 73 050700 -9 525 CQ ON4DN JO20 (x13)
UTC dB Audio Message 052530 -10 1406 ON4DN DL8TV JN49 052600 +6 382 ON4DN DO1ID JO41 052600 -9 1406 ON4DN DL8TV R-04 052630 +0 382 ON4DN DO1ID JO41 052630 -13 1406 ON4DN DL8TV 73 052700 -1 382 ON4DN DO1ID R-15 (x2) 052830 -10 1017 ON4DN DL2VN JO51 (x4) 053330 -15 1237 ON4DN DL7FE R-07 (x2) 053800 -15 1103 ON4DN DG1YHP R+09 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.