KO4JJU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KO4JJU, decoded by SO8OO in southeastern Poland. 142 related FT8 messages, observed on 80m, 40m, 20m, across 27 UTC dates. Heard between 2026-06-06 and 2026-08-15.
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 KO4JJU 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 | KO4JJU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-07 18:17 | 20m | - / - | F4VVJ | -8 / - | 2 | Partial capture |
| 08-04 07:07 | 20m | - / - | F4MHR | -13 / - | 2 | Partial capture |
| 08-02 07:18 | 20m | - / - | F6DZU | -9 / - | 3 | Partial capture |
| 08-02 05:50 | 20m | - / - | RA3FY | -14 / - | 2 | Partial capture |
| 07-29 22:24 | 20m | - / -12 | TN8GD | -10 / - | 2 | ✓ Closing fragment |
| 07-24 04:59 | 40m | - / - | S56A | -18 / - | 2 | Partial capture |
| 07-24 04:10 | 40m | - / -14 | HB9EFK | -10 / - | 9 | ✓ Closing fragment |
| 07-24 02:46 | 80m | - / -5 | VE2OPR | -18 / - | 2 | ✓ Closing fragment |
| 07-23 04:47 | 40m | - / -14 | DL3OCF | -2 / - | 2 | Partial capture |
| 07-23 04:30 | 40m | - / - | PA3DTN | -11 / - | 2 | Partial capture |
| 07-18 03:48 | 40m | - / -20 | MI0OBC | -9 / - | 3 | ✓ Closing fragment |
| 07-18 03:26 | 40m | - / -14 | YO9IAB | -11 / - | 5 | ✓ Closing fragment |
| 07-18 03:21 | 40m | - / -14 | F5RRS | -18 / - | 8 | ✓ Closing fragment |
| 07-17 03:31 | 40m | - / -13 | IU5AWQ | -12 / - | 3 | ✓ Closing fragment |
| 07-14 02:32 | 40m | - / -16 | 9A60CBM | -4 / - | 6 | Partial capture |
| 07-14 02:25 | 40m | - / -14 | <...> | -8 / - | 9 | Partial capture |
| 07-13 02:26 | 80m | - / -8 | N4MC | -14 / - | 2 | ✓ Closing fragment |
| 07-11 03:11 | 40m | - / - | F5RRS | -18 / - | 3 | Partial capture |
| 07-11 03:06 | 40m | - / - | PC2J | -15 / - | 7 | Partial capture |
| 07-11 02:59 | 40m | - / - | PC2J | -16 / - | 3 | Partial capture |
| 07-11 02:51 | 40m | - / - | DB0CUI | -20 / - | 2 | Partial capture |
| 07-11 02:25 | 40m | - / - | PC2J | -14 / - | 2 | Partial capture |
| 07-11 02:21 | 40m | - / - | PC2J | -15 / - | 3 | Partial capture |
| 07-11 02:18 | 40m | - / - | F5RRS | -15 / - | 4 | Partial capture |
| 07-11 02:02 | 40m | - / -18 | EI2IXB | -8 / - | 2 | Partial capture |
| 07-06 05:16 | 40m | - / -20 | PI4DX | -14 / - | 2 | ✓ Closing fragment |
| 07-05 03:00 | 40m | - / - | G6PWS | -9 / - | 3 | Partial capture |
| 06-25 04:12 | 40m | - / - | DL1FLW | -19 / - | 3 | Partial capture |
| 06-24 03:17 | 40m | - / -2 | DK7ZT | -18 / - | 3 | Partial capture |
| 06-24 03:11 | 40m | - / -19 | PD1BER | -13 / - | 3 | Partial capture |
| 06-19 01:02 | 40m | - / - | W4LUF | -18 / - | 4 | Partial capture |
| 06-18 02:42 | 40m | - / -18 | 4X5MZ | -7 / - | 2 | ✓ Closing fragment |
| 06-17 03:44 | 40m | - / -6 | DK7ZT | -9 / - | 3 | Partial capture |
| 06-17 02:49 | 40m | - / -12 | IQ7KM | -2 / - | 2 | ✓ Closing fragment |
| 06-08 02:47 | 40m | - / -8 | OA4ENG | -16 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 040045 +5 826 KO4JJU RT6C KN95 222400 -10 858 KO4JJU TN8GD -12 (x2) 022400 -17 1251 KO4JJU RK6AAC KN95 055045 -17 1526 KO4JJU RA3FY KO85 (x2) 071800 -9 359 KO4JJU F6DZU IN94 (x3) 070745 -10 1190 KO4JJU F4MHR JN09 (x2) 181700 -11 965 KO4JJU F4VVJ JN24 (x2) 060615 -13 2076 KO4JJU F8NHF JO10 022330 -21 1778 KO4JJU 5B4AMX RR73
UTC dB Audio Message 013215 -16 1252 KO4JJU KD2DO -16 022430 -24 1452 KO4JJU N8HRZ EN91 022630 -14 1303 KO4JJU N4MC -08 (x2) 024615 -20 2091 KO4JJU VE2OPR -05 (x2) 030430 -13 1057 KO4JJU AC8RJ +07
UTC dB Audio Message 043415 -11 2396 KO4JJU DL3OCF JO51 (x3) 040615 -13 569 KO4JJU LX1TI +05 041045 -14 2289 KO4JJU HB9EFK -14 (x9) 045915 -18 1268 KO4JJU S56A JN76 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.