KO4XJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KO4XJ, decoded by SO8OO in southeastern Poland. 222 related FT8 messages, 26 CQ messages, observed on 40m, 20m, across 24 UTC dates. Heard between 2026-05-04 and 2026-08-02.
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 KO4XJ 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 | KO4XJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-02 05:17 | 20m | - / -18 | IT9CCB | 0 / - | 2 | ✓ Closing fragment |
| 08-01 00:26 | 20m | - / - | K1CXS | -16 / - | 2 | ✓ Closing fragment |
| 07-29 03:59 | 40m | - / -17 | F1PBZ | -10 / - | 2 | ✓ Closing fragment |
| 07-25 03:53 | 20m | - / -15 | 4L7T | -9 / - | 2 | Partial capture |
| 07-12 04:23 | 40m | - / -4 | HB9DGK | -1 / - | 2 | ✓ Closing fragment |
| 06-19 05:19 | 20m | - / - | IK2TCV | -20 / - | 3 | Partial capture |
| 06-19 05:15 | 20m | - / -11 | 9A5AR | -6 / - | 2 | Partial capture |
| 06-19 05:03 | 20m | - / -25 | EA3PV | -7 / - | 4 | Partial capture |
| 06-19 04:45 | 20m | - / -18 | F4LNM | +10 / - | 5 | ✓ Closing fragment |
| 06-19 02:34 | 20m | - / -9 | 5Z4VJ | -1 / - | 2 | ✓ Closing fragment |
| 06-17 03:00 | 40m | - / -8 | Z62NS | -1 / - | 3 | ✓ Closing fragment |
| 06-17 02:58 | 40m | - / -16 | PD4RJ | -14 / - | 2 | Partial capture |
| 06-17 02:53 | 20m | -4 / - | N7DSB | - / -4 | 2 | ✓ Closing fragment |
| 06-17 02:51 | 20m | -6 / - | OK1UOZ | - / -6 | 2 | ✓ Closing fragment |
| 06-17 02:51 | 20m | -4 / -7 | WF1B | +4 / -13 | 5 | ✓ Full exchange observed |
| 06-17 02:44 | 20m | 0 / - | IU7VLD | - / -16 | 2 | Partial capture |
| 06-17 02:43 | 20m | - / - | KR5DX | -16 / - | 2 | Partial capture |
| 06-17 02:41 | 20m | -3 / - | R5AV | - / -8 | 2 | ✓ Closing fragment |
| 06-17 01:45 | 20m | -19 / - | HA1BF | -20 / -5 | 2 | ✓ Closing observed |
| 06-12 02:36 | 20m | - / -17 | UA6YW | +10 / - | 4 | ✓ Closing fragment |
| 06-12 02:17 | 20m | -4 / - | G3TKT | - / -7 | 2 | ✓ Closing fragment |
| 06-07 02:20 | 20m | - / - | WB3FME | -21 / - | 2 | Partial capture |
| 06-07 02:12 | 20m | -8 / - | AE1G | - / -13 | 2 | ✓ Closing fragment |
| 06-07 02:07 | 20m | -6 / -14 | SV2FNT | +10 / -8 | 4 | ✓ Full exchange observed |
| 06-07 02:07 | 20m | -7 / - | PD9OH | - / -19 | 2 | ✓ Closing fragment |
| 06-06 02:11 | 40m | - / - | M0ICL | -4 / - | 2 | Partial capture |
| 06-06 02:08 | 40m | - / -7 | HB9EFK | +4 / - | 2 | ✓ Closing fragment |
| 06-06 01:41 | 20m | - / -10 | HZ1TT | -7 / - | 3 | ✓ Closing fragment |
| 06-04 02:51 | 40m | - / -14 | OZ1KEF | +13 / - | 2 | ✓ Closing fragment |
| 06-04 02:42 | 40m | - / -11 | DL7BO | +12 / - | 2 | ✓ Closing fragment |
| 06-03 02:46 | 40m | - / - | HB9ZHK | -13 / - | 2 | Partial capture |
| 06-03 02:38 | 40m | - / -15 | EI2IXB | 0 / - | 3 | ✓ Closing fragment |
| 06-03 02:26 | 40m | - / -1 | NX4AC | -9 / - | 2 | ✓ Closing fragment |
| 06-03 02:24 | 40m | - / +1 | K3LL | -9 / - | 2 | Partial capture |
| 06-03 02:19 | 40m | - / -19 | HB9DVO | +10 / - | 2 | Partial capture |
| 06-03 02:19 | 40m | - / - | YO3OBB | -19 / - | 2 | Partial capture |
| 06-03 02:18 | 40m | - / - | HB9ZHK | -8 / - | 2 | Partial capture |
| 06-01 05:52 | 40m | - / - | ON7DJ | -6 / - | 2 | Partial capture |
| 06-01 05:42 | 40m | - / -17 | DH1JG | +4 / - | 6 | ✓ Closing fragment |
| 06-01 05:33 | 40m | - / -7 | F8NHF | +3 / - | 3 | ✓ Closing fragment |
| 06-01 05:29 | 40m | - / -6 | F4LWD | -6 / - | 2 | Partial capture |
| 06-01 05:22 | 40m | - / -10 | F4LNM | -7 / - | 3 | ✓ Closing fragment |
| 06-01 05:20 | 40m | - / -5 | ON7HM | -14 / - | 6 | ✓ Closing fragment |
| 06-01 05:18 | 40m | - / -12 | ON6AA | -1 / - | 3 | ✓ Closing fragment |
| 05-31 01:27 | 40m | - / - | W3HH | -13 / - | 3 | Partial capture |
| 05-30 21:31 | 20m | - / -11 | W1WCI | -14 / - | 10 | Partial capture |
| 05-30 20:44 | 20m | - / -8 | KB1G | -10 / - | 2 | Partial capture |
| 05-28 23:35 | 20m | - / - | VE3GLN | +3 / - | 12 | Partial capture |
| 05-28 23:32 | 20m | - / -5 | AH2O | -6 / - | 3 | ✓ Closing fragment |
| 05-28 22:16 | 20m | - / -16 | W1WCI | -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 050745 -2 828 KO4XJ EA1SAL IN70 051545 -2 2916 KO4XJ 9A5AR -11 (x2) 051915 -22 1728 KO4XJ IK2TCV JN45 (x2) 051945 -3 2916 KO4XJ 9A5AR RR73 052045 -19 1728 KO4XJ IK2TCV JN45 031245 -8 505 KO4XJ OE5CCN RR73 035345 -7 416 KO4XJ 4L7T -15 (x2) 002645 -17 2329 KO4XJ K1CXS FN33 (x2) 051745 +4 2739 KO4XJ IT9CCB R-18 (x2) 052245 -9 2739 KO4XJ PA3CPS JO32
UTC dB Audio Message 020845 +3 2319 KO4XJ HB9EFK -07 (x2) 021145 -5 1798 KO4XJ M0ICL JO01 (x2) 025830 -17 1340 KO4XJ PD4RJ -16 (x2) 030030 -1 739 KO4XJ Z62NS -08 (x3) 042300 -1 428 KO4XJ HB9DGK -04 (x2) 035915 -9 2688 KO4XJ F1PBZ -17 (x2) 040645 -24 2084 KO4XJ DK5ON -10 041145 -20 1697 KO4XJ F4FCE JN06
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.