KR4JUK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KR4JUK, decoded by SO8OO in southeastern Poland. 121 related FT8 messages, observed on 40m, 20m, across 8 UTC dates. Heard between 2026-05-15 and 2026-06-09.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations KR4JUK 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 | KR4JUK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 06-09 05:16 | 20m | - / -16 | YT3PL | -3 / - | 3 | ✓ Closing fragment |
| 06-09 04:16 | 20m | - / -12 | 5P1KZX | -14 / - | 5 | ✓ Closing fragment |
| 06-09 04:01 | 20m | - / -24 | Z35T | +8 / - | 3 | Partial capture |
| 06-09 00:49 | 20m | - / -24 | CT1BFP | -5 / - | 10 | Partial capture |
| 06-09 00:44 | 20m | - / -14 | D2UY | -1 / - | 2 | ✓ Closing fragment |
| 06-09 00:36 | 20m | - / -15 | EA1IOK | 0 / - | 2 | ✓ Closing fragment |
| 06-09 00:29 | 20m | - / - | EA1IOK | -4 / - | 2 | Partial capture |
| 06-09 00:13 | 20m | - / -16 | WA3MH | -22 / - | 2 | Partial capture |
| 06-09 00:07 | 20m | - / - | PD9OH | -16 / - | 3 | Partial capture |
| 06-08 23:25 | 20m | - / - | EA1IOK | +1 / - | 3 | Partial capture |
| 06-08 22:57 | 20m | - / -24 | ON6WDL | -8 / - | 4 | ✓ Closing fragment |
| 06-08 07:06 | 20m | - / -19 | HB9BUN | +8 / - | 2 | ✓ Closing fragment |
| 06-08 07:03 | 20m | - / -12 | MI0OBC | +6 / - | 2 | ✓ Closing fragment |
| 06-08 06:53 | 20m | - / -19 | F8RZ | 0 / - | 2 | ✓ Closing fragment |
| 06-08 01:06 | 20m | - / -14 | CT7AUT | -4 / - | 2 | Partial capture |
| 06-07 22:00 | 20m | - / - | DK9ZQ | -2 / - | 6 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 005445 -4 1617 KR4JUK CT1BFP -24 013145 -7 2880 KR4JUK PD9OH JO21 035415 -13 759 KR4JUK LX1TI -07 035915 -10 1075 KR4JUK KP2B RR73 040115 +5 2515 KR4JUK Z35T -24 (x3) 041600 -23 2707 KR4JUK 5P1KZX -12 (x5) 051645 -6 1684 KR4JUK YT3PL KN04 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.