4O4DB — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving 4O4DB, decoded by SO8OO in southeastern Poland. 2,939 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 89 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-22.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 2,939 FT8 messages attributed to 4O4DB as the transmitting token by decoded message structure across 89 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (54%), followed by 40 m (32%) and 80 m (8%). Most decodes (61%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.
Overview
Bands
Last attributed message: 2026-10-22 18:16 UTC
Observed FT8 message patterns
- Attributed sample
- 2,939 messages
- Active dates
- 89 UTC dates
- Estimated median S/N
- -7 dB
- Estimated 10th-90th percentile
- -17.1 to +5.8 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 456, moderate (-15 to -9 dB) 832, strong (≥ -8 dB) 1,651.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with 4O4DB in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to 4O4DB
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- JN92 · 1,269 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 854 km (approx.)
- Last such locator decoded
- 2026-10-22 18:13 UTC
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 |
|---|---|---|---|---|---|---|
| 10-22 18:15 | 40m | -18 / - | IT9IBQ/TPI | - / -9 | 2 | Partial capture |
| 10-22 18:13 | 40m | -12 / - | YU65AEC | - / +2 | 2 | Partial capture |
| 10-12 21:24 | 40m | - / -10 | MW9XET | -2 / - | 2 | ✓ Closing fragment |
| 10-12 19:24 | 40m | - / - | R7ZY | +4 / - | 3 | Partial capture |
| 10-12 19:16 | 40m | - / - | R7ZY | +6 / - | 5 | Partial capture |
| 10-12 19:13 | 40m | - / -19 | M8KUG | -6 / - | 2 | Partial capture |
| 10-12 19:09 | 40m | -23 / - | M8KUG | -14 / -18 | 2 | Partial capture |
| 10-12 19:03 | 40m | -14 / -16 | PA7TON | -6 / -11 | 10 | ✓ Full exchange observed |
| 10-12 17:55 | 40m | -7 / -1 | IU3VSZ | -3 / - | 3 | ✓ Closing observed |
| 10-12 17:54 | 40m | -14 / -1 | OK1FKY | -5 / 0 | 4 | ✓ Full exchange observed |
| 10-12 17:50 | 40m | -13 / - | BG0FQU | - / - | 3 | Partial capture |
| 10-10 19:32 | 40m | - / -9 | EA7BTZ | -12 / - | 2 | ✓ Closing fragment |
| 10-10 18:18 | 40m | - / - | 4Z5JO | -3 / - | 4 | Partial capture |
| 10-10 18:11 | 40m | - / - | UB6OCP | -19 / - | 2 | Partial capture |
| 10-10 18:04 | 40m | - / - | RD5Q | -4 / - | 6 | Partial capture |
| 10-10 18:03 | 40m | - / -9 | DK1RTL | +3 / - | 7 | ✓ Closing fragment |
| 10-10 18:00 | 40m | +1 / - | IU2LWL | - / -3 | 2 | Partial capture |
| 10-10 17:56 | 40m | - / - | IU2LWL | -5 / - | 3 | Partial capture |
| 10-10 17:55 | 40m | -5 / - | DL2MEK | - / - | 3 | Partial capture |
| 10-10 17:53 | 40m | -4 / - | IN3JRZ | - / - | 2 | Partial capture |
| 10-10 07:33 | 40m | -12 / +1 | S51GS | -7 / +1 | 5 | ✓ Full exchange observed |
| 10-10 07:11 | 40m | -12 / -1 | IN3IBW | +2 / +5 | 5 | ✓ Full exchange observed |
| 10-09 21:33 | 40m | - / - | RD3FY | -8 / - | 6 | Partial capture |
| 10-09 21:30 | 40m | -16 / -2 | AO5CV | -15 / +1 | 4 | ✓ Full exchange observed |
| 10-09 21:25 | 40m | -15 / -7 | 9A2MF | -14 / -3 | 5 | ✓ Full exchange observed |
| 10-09 21:22 | 40m | -11 / -8 | G0DEL | -9 / - | 4 | ✓ Closing observed |
| 10-09 21:15 | 40m | -18 / - | EA1QC | - / - | 2 | Partial capture |
| 10-09 20:41 | 40m | -14 / - | II4NTTI | - / -18 | 2 | Partial capture |
| 10-09 20:38 | 40m | -20 / - | G8RZ | -16 / -4 | 2 | Partial capture |
| 10-09 20:31 | 40m | - / - | PD2CDC | -9 / - | 3 | Partial capture |
| 10-09 20:27 | 40m | - / -15 | LY2TS | -14 / - | 5 | ✓ Closing fragment |
| 10-09 20:23 | 40m | -14 / -11 | PD2CDC | -12 / - | 5 | Partial capture |
| 10-09 19:11 | 40m | - / -13 | ES2EZ | -2 / - | 4 | Partial capture |
| 10-09 19:11 | 40m | - / - | R9FAI | -7 / - | 7 | Partial capture |
| 10-09 19:06 | 40m | -15 / -11 | DL5EBS | +4 / -2 | 3 | ✓ Full exchange observed |
| 10-09 18:07 | 40m | -20 / - | OH3SW | - / - | 2 | Partial capture |
| 10-09 18:05 | 40m | -6 / - | SN5MV | - / -8 | 2 | ✓ Closing fragment |
| 10-09 18:02 | 40m | -12 / - | 5B4AAB | -5 / -3 | 2 | Partial capture |
| 10-09 17:49 | 40m | -11 / - | UN7GGB | - / -22 | 3 | Partial capture |
| 10-09 17:49 | 40m | - / - | RN3YN | -5 / - | 3 | Partial capture |
| 10-09 17:42 | 40m | -16 / - | EA1FYL | - / -15 | 2 | Partial capture |
| 10-09 17:33 | 40m | -12 / - | UN7GGB | - / - | 2 | Partial capture |
| 10-08 19:23 | 40m | - / - | UA4FKT | -10 / - | 2 | Partial capture |
| 10-08 19:21 | 40m | -14 / -7 | EA7ATM | -13 / -4 | 3 | ✓ Full exchange observed |
| 10-08 19:21 | 40m | - / - | PD8HUB | -4 / - | 6 | Partial capture |
| 10-08 19:19 | 40m | - / -5 | SM7DXE | -5 / - | 5 | ✓ Closing fragment |
| 10-08 19:18 | 40m | - / -19 | IU1VXD | -6 / - | 2 | Partial capture |
| 10-08 19:17 | 40m | -11 / - | SO5PRZ | - / -21 | 2 | Partial capture |
| 10-08 19:16 | 40m | -23 / - | IU2LWL | -6 / -8 | 2 | Partial capture |
| 10-08 19:00 | 40m | - / -22 | DD3ZZ | -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 191545 -18 1643 SP5ETS 4O4DB 73 191630 +7 2594 4O4DB R7ZY KN98 (x8) 212415 -1 757 4O4DB MW9XET -10 (x2) 181315 -8 2485 YU65AEC 4O4DB JN92 (x2) 181530 -22 1983 <IT9IBQ/TPI> 4O4DB R-09 (x2)
UTC dB Audio Message 213930 -15 2123 LA5ZUA 4O4DB JN92 213945 -15 2122 4O4DB LA5ZUA -13 214000 -11 2123 LA5ZUA 4O4DB R-12 214015 -14 2123 4O4DB LA5ZUA RR73 214030 -17 2123 LA5ZUA 4O4DB 73 214530 -15 1296 TA7ARH 4O4DB JN92 214545 -1 1296 4O4DB UA4FKT LO23 214600 -12 1296 TA7ARH 4O4DB R+03 214715 -13 2577 4O4DB DO5AX R-16 (x2) 214815 +12 2576 4O4DB UA4FKT LO23 214945 -5 555 R8AIM/4 4O4DB JN92 (x3) 031030 -4 2253 4O4DB RL6ZZ KN98
UTC dB Audio Message 213900 -7 2577 4O4DB ON8SL RRR (x5)
UTC dB Audio Message 142530 +5 1194 4O4DB RX6DA KN85 (x8) 143145 -4 1780 4O4DB PD1RGW -10 (x2) 145645 -11 1453 4O4DB PA1BM -07 150030 +3 278 4O4DB G5EDC +01 173530 -7 1761 4O4DB 8Z1IT -10 (x2) 173815 -3 1347 4O4DB M9PAW +05
UTC dB Audio Message 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
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
CW
No CW receptions recorded for this callsign in the last 30 days.
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