4O4DB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4O4DB, decoded by SO8OO in southeastern Poland. 1,540 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 62 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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 4O4DB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 4O4DB
Approximate centre of JN92, decoded 2026-08-23 19:13 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 | 4O4DB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:17 | 80m | - / -2 | UA3SCU | 0 / - | 2 | Partial capture |
| 08-23 20:15 | 80m | -10 / -2 | E75C | +2 / - | 4 | ✓ Full exchange observed |
| 08-23 19:05 | 80m | -6 / - | DL1RI | -1 / 0 | 3 | ✓ Closing observed |
| 08-23 19:03 | 80m | -4 / -8 | 9A3EYA | +8 / - | 4 | ✓ Full exchange observed |
| 08-23 18:59 | 80m | +2 / - | DG0OBU | -13 / -15 | 3 | ✓ Closing observed |
| 08-23 18:58 | 80m | +2 / -21 | <...> | +3 / -11 | 3 | Partial capture |
| 08-23 18:46 | 80m | -6 / -6 | HA7KLA | +8 / +3 | 5 | ✓ Full exchange observed |
| 08-23 18:43 | 80m | -8 / -6 | OE3ZIO | -11 / -19 | 5 | ✓ Full exchange observed |
| 08-23 18:42 | 80m | - / - | R7CD | -4 / - | 3 | Partial capture |
| 08-23 18:42 | 80m | -11 / -8 | DK7DX | -1 / - | 7 | ✓ Closing observed |
| 08-23 18:41 | 80m | 0 / -12 | DM1TRO | 0 / - | 8 | ✓ Closing observed |
| 08-23 12:53 | 10m | - / +9 | DL1GLO | -18 / - | 5 | ✓ Closing fragment |
| 08-23 10:16 | 20m | -4 / - | DL4ZF | - / - | 2 | Partial capture |
| 08-23 10:08 | 20m | -5 / -8 | IK4POB | -14 / - | 3 | ✓ Closing observed |
| 08-23 07:18 | 20m | -2 / - | KH6M | -4 / -14 | 3 | Partial capture |
| 08-23 07:18 | 20m | -7 / - | F5SZB | -3 / - | 3 | ✓ Closing observed |
| 08-23 07:16 | 20m | -4 / - | PD0PNQ | - / -19 | 3 | ✓ Closing fragment |
| 08-23 07:14 | 20m | -11 / - | G0VLF | - / +3 | 2 | ✓ Closing fragment |
| 08-23 07:12 | 20m | -9 / - | SP6SYU | - / - | 2 | ✓ Closing fragment |
| 08-23 07:09 | 20m | -6 / -8 | PD1AG | -13 / - | 4 | ✓ Closing observed |
| 08-23 06:58 | 20m | 0 / - | HB9ITZ | - / - | 3 | Partial capture |
| 08-22 21:43 | 20m | 0 / - | YO4MXK | +2 / -4 | 4 | ✓ Closing observed |
| 08-22 21:42 | 20m | -6 / - | VE3CTF | - / -19 | 2 | ✓ Closing fragment |
| 08-22 21:38 | 20m | -1 / - | II7MGXX | - / - | 4 | Partial capture |
| 08-22 21:33 | 20m | -11 / - | JA4LAO | - / -12 | 3 | ✓ Closing fragment |
| 08-22 21:30 | 20m | -17 / - | KC3UAM | - / - | 4 | Partial capture |
| 08-22 21:27 | 20m | -13 / - | SM0IJS | - / +5 | 2 | ✓ Closing fragment |
| 08-22 21:26 | 20m | -10 / -17 | M9LGG | +3 / -17 | 6 | Partial capture |
| 08-22 20:52 | 40m | - / - | R3PA | -2 / - | 2 | Partial capture |
| 08-22 20:50 | 40m | - / -16 | YG2CLC | -8 / - | 2 | ✓ Closing fragment |
| 08-22 20:50 | 40m | -7 / -7 | F4ENR | +2 / 0 | 4 | ✓ Full exchange observed |
| 08-22 20:49 | 40m | -13 / -13 | F6FLU | +9 / - | 4 | ✓ Closing observed |
| 08-22 11:08 | 20m | -7 / - | DD3ZZ | - / -5 | 3 | ✓ Closing fragment |
| 08-22 11:03 | 20m | -8 / - | F4NHL | - / - | 3 | Partial capture |
| 08-22 08:10 | 20m | -8 / - | OZ1THC | - / -16 | 2 | ✓ Closing fragment |
| 08-22 07:41 | 20m | 0 / - | IU4AAJ | - / - | 2 | Partial capture |
| 08-22 07:36 | 20m | - / - | DG7NT | -6 / - | 3 | Partial capture |
| 08-22 07:34 | 20m | -6 / - | F4MGF | - / -6 | 2 | Partial capture |
| 08-22 07:24 | 20m | -1 / - | II7MGBA | - / - | 3 | Partial capture |
| 08-22 07:21 | 20m | -4 / - | DK5EI | - / - | 3 | Partial capture |
| 08-22 07:05 | 20m | -12 / - | II7MGBT | - / - | 2 | Partial capture |
| 08-22 07:01 | 20m | -5 / - | OZ1THC | - / - | 2 | Partial capture |
| 08-22 06:29 | 20m | -1 / - | <...> | - / -18 | 4 | Partial capture |
| 08-22 06:27 | 20m | -6 / - | TA7TC | - / - | 3 | Partial capture |
| 08-21 07:58 | 20m | -13 / - | IK2NHH | - / -16 | 2 | ✓ Closing fragment |
| 08-21 07:57 | 20m | -11 / -1 | DF6QN | +9 / -1 | 5 | ✓ Full exchange observed |
| 08-21 07:47 | 20m | -22 / -5 | SQ1QAT | -14 / -8 | 5 | ✓ Full exchange observed |
| 08-21 06:36 | 20m | 0 / - | PA1TW | - / -11 | 2 | ✓ Closing fragment |
| 08-21 06:31 | 20m | - / - | DF6QN | +2 / - | 5 | Partial capture |
| 08-21 06:31 | 20m | -1 / -16 | DK5CR/QRP | -13 / -14 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 190045 -14 1290 4O4DB R5BS KO85 190315 +9 760 4O4DB 9A3EYA -08 190330 -1 760 9A3EYA 4O4DB R+14 190345 +8 760 4O4DB 9A3EYA RR73 190400 -6 760 9A3EYA 4O4DB 73 190500 -7 760 DL1RI 4O4DB R+00 190515 -1 759 4O4DB DL1RI RR73 190530 -5 760 DL1RI 4O4DB 73 191300 +4 732 HB0/HB9FXF 4O4DB JN92 201545 +2 1865 4O4DB E75C -02 201600 -9 1865 E75C 4O4DB R+16 201615 +3 1865 4O4DB E75C RR73 201630 -10 1865 E75C 4O4DB 73 201745 +2 1103 4O4DB UA3SCU -02 (x2)
UTC dB Audio Message 134215 -6 2746 YL3RK 4O4DB JN92 (x2) 134815 -15 1809 8A1WWA 4O4DB JN92 155300 -9 668 4O4DB F1DSZ JN06 (x2) 160915 -9 2762 4O4DB TM2WWA RR73 093100 -10 2357 4O4DB IK1HJS JN44 (x2) 125345 -17 2111 4O4DB DL1GLO JN47 (x5) 153615 -20 1313 DN9DSP 4O4DB 73 153815 -14 2463 UX0QT 4O4DB 73
UTC dB Audio Message 071445 -10 2131 G0VLF 4O4DB RR73 071645 -6 953 PD0PNQ 4O4DB R-19 (x3) 071800 +4 1329 4O4DB F5SZB IN95 071830 -1 2784 4O4DB KH6M EL96 071845 -7 1328 F5SZB 4O4DB RR73 071900 -7 2784 4O4DB KH6M EL96 071900 -10 1329 4O4DB F5SZB 73 071945 -2 2751 KH6M 4O4DB -14 100815 -13 955 4O4DB IK4POB -08 (x2) 100900 -5 959 IK4POB 4O4DB 73 101630 -5 862 DL4ZF 4O4DB JN92 (x2)
UTC dB Audio Message 192530 -8 929 4O4DB SP2OSP RR73 204700 -3 2344 8Z1IT 4O4DB JN92 204915 +8 2231 4O4DB F6FLU JN18 (x2) 205000 -13 2231 F6FLU 4O4DB RR73 205015 -1 620 4O4DB F4ENR JN39 205015 +9 2231 4O4DB F6FLU 73 205030 -7 2231 F4ENR 4O4DB +00 205045 -9 2576 4O4DB YG2CLC -16 205045 +2 620 4O4DB F4ENR R-07 (x2) 205145 -7 2576 4O4DB YG2CLC RR73 205245 +4 1621 4O4DB OM2WW JN88 205245 -1 2112 4O4DB R3PA KO93 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.