ON4CHK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4CHK, decoded by SO8OO in southeastern Poland. 652 related FT8 messages, 167 CQ messages, observed on 40m, 20m, across 14 UTC dates. Heard between 2026-05-20 and 2026-08-03.
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 ON4CHK worked most often, as logged from our receiver:
Activity Heatmap
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 | ON4CHK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-03 08:47 | 40m | - / -7 | OK8WIT | -10 / - | 2 | Partial capture |
| 08-03 08:37 | 40m | - / -4 | OK8WIT | -5 / - | 3 | Partial capture |
| 08-03 08:05 | 40m | - / - | IV3VFP | -14 / - | 2 | ✓ Closing fragment |
| 07-29 18:30 | 40m | -18 / - | ES8JX | - / -11 | 2 | ✓ Closing fragment |
| 07-29 18:28 | 40m | -16 / - | DM8MH | - / -2 | 2 | ✓ Closing fragment |
| 07-29 18:25 | 40m | -17 / -19 | UT4VL | -9 / -21 | 4 | Partial capture |
| 07-29 18:25 | 40m | -16 / - | LB5WB | - / -7 | 2 | ✓ Closing fragment |
| 07-29 18:22 | 40m | -16 / -13 | R6FX | -13 / -12 | 5 | ✓ Full exchange observed |
| 07-29 17:52 | 40m | - / -13 | R5FQ | -10 / - | 2 | ✓ Closing fragment |
| 07-29 17:51 | 40m | - / -7 | YO4NT | +2 / - | 2 | Partial capture |
| 07-29 17:44 | 40m | -13 / - | EA7GNO | - / -25 | 2 | ✓ Closing fragment |
| 07-29 17:39 | 40m | -12 / - | DF5DY | -10 / +5 | 5 | ✓ Full exchange observed |
| 07-29 17:39 | 40m | -12 / - | PA2RO | -18 / +7 | 2 | Partial capture |
| 07-29 17:35 | 40m | - / -5 | YO4NT | -4 / - | 2 | Partial capture |
| 07-29 17:31 | 40m | -16 / - | SP3RNP | -16 / -17 | 2 | Partial capture |
| 07-29 17:17 | 40m | - / - | SQ8V | -9 / - | 3 | ✓ Closing fragment |
| 07-29 16:26 | 40m | - / - | OK5AG/P | -7 / - | 3 | ✓ Closing fragment |
| 07-28 17:58 | 40m | -16 / - | M7HDY | - / - | 2 | ✓ Closing fragment |
| 07-28 17:41 | 40m | - / -14 | US0QV | -8 / - | 3 | ✓ Closing fragment |
| 07-28 17:36 | 40m | -8 / - | MW3LSD | - / -3 | 2 | Partial capture |
| 07-28 16:30 | 40m | - / - | HA5KN | -5 / - | 9 | Partial capture |
| 07-28 16:25 | 40m | - / - | LY3BFH | -11 / - | 2 | ✓ Closing fragment |
| 07-28 16:15 | 40m | - / - | HA5KN | -4 / - | 9 | Partial capture |
| 07-28 15:52 | 40m | - / -8 | YO9HP | -4 / - | 2 | ✓ Closing fragment |
| 07-20 04:01 | 40m | -6 / - | KC1WZQ | - / - | 2 | Partial capture |
| 07-20 03:52 | 40m | -10 / - | KD9DIH | - / - | 2 | Partial capture |
| 07-20 03:50 | 40m | -15 / - | TJ1GD/P | - / +5 | 2 | ✓ Closing fragment |
| 07-20 03:40 | 40m | -10 / - | W4ORS | - / -13 | 2 | ✓ Closing fragment |
| 07-20 03:38 | 40m | -12 / - | HI3K | - / +5 | 2 | Partial capture |
| 07-20 03:31 | 40m | -15 / - | HI3JMS | - / -10 | 5 | ✓ Closing fragment |
| 07-20 03:26 | 40m | -18 / - | W4ORS | - / -19 | 3 | Partial capture |
| 07-20 03:23 | 40m | -12 / - | KE9DMW | - / -10 | 3 | Partial capture |
| 07-20 03:12 | 40m | -19 / - | K3YTL | - / -2 | 3 | ✓ Closing fragment |
| 07-20 03:11 | 40m | -16 / - | NP3RK | - / - | 2 | ✓ Closing fragment |
| 07-20 03:08 | 40m | -19 / - | VE2OPC | - / -10 | 2 | ✓ Closing fragment |
| 07-20 02:58 | 40m | -20 / - | HA3GX | - / -1 | 2 | ✓ Closing fragment |
| 07-20 02:45 | 40m | -20 / - | KN4ZUJ | - / - | 2 | ✓ Closing fragment |
| 07-20 02:41 | 40m | -16 / - | K2FDM | - / -5 | 4 | ✓ Closing fragment |
| 07-20 02:39 | 40m | -16 / - | K5NQ | - / 0 | 3 | Partial capture |
| 07-20 02:28 | 40m | -14 / -10 | OO0O | -12 / - | 2 | ✓ Closing observed |
| 07-20 02:18 | 40m | -9 / - | N2KTC | - / -12 | 3 | ✓ Closing fragment |
| 07-20 02:11 | 40m | - / -8 | UA3WDO | -7 / - | 2 | Partial capture |
| 07-17 16:20 | 40m | - / +3 | DG0BS | -16 / - | 2 | ✓ Closing fragment |
| 07-17 16:12 | 40m | - / - | IQ4JO | -10 / - | 2 | Partial capture |
| 07-17 14:54 | 40m | - / +1 | DF3RP | -6 / - | 2 | Partial capture |
| 07-17 14:41 | 40m | - / +1 | DL6CGN | -15 / - | 3 | ✓ Closing fragment |
| 07-15 18:35 | 40m | -16 / - | DK5UR | -8 / - | 3 | ✓ Closing observed |
| 07-15 18:29 | 40m | -10 / - | G4XLO | - / +1 | 2 | ✓ Closing fragment |
| 07-15 18:11 | 40m | - / -10 | YO9PH | -18 / - | 3 | Partial capture |
| 07-15 18:09 | 40m | -18 / - | YO5AUV | - / -5 | 4 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 182615 -9 555 ON4CHK UT4VL -19 (x2) 182700 -17 1163 UT4VL ON4CHK R-21 182800 -15 1164 DM8MH ON4CHK -02 (x2) 182930 -16 1164 IT9IMJ ON4CHK R-20 183045 -18 1462 ES8JX ON4CHK R-11 (x2) 080545 -13 865 ON4CHK IV3VFP JN66 (x2) 083700 -4 2087 ON4CHK OK8WIT -04 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.