UB4LAN — 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 UB4LAN, decoded by SO8OO in southeastern Poland. 54 FT8 messages attributed to this token as transmitter, on 10m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-06-20.
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 54 FT8 messages attributed to UB4LAN as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (100%). Several six-hour UTC windows tied for the largest share (48%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -17 dB.
Overview
Observed FT8 message patterns
- Attributed sample
- 54 messages
- Active dates
- 9 UTC dates
- Estimated median S/N
- -17 dB
- Estimated 10th-90th percentile
- -22 to -10 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 30, moderate (-15 to -9 dB) 23, strong (≥ -8 dB) 1.
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 UB4LAN in decoded directed-looking exchanges:
Most frequent locator attributed to UB4LAN
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
- LO44 · 28 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,908 km (approx.)
- Last such locator decoded
- 2026-06-20 13:29 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 | UB4LAN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-27 18:38 | 10m | - / -13 | DJ4JZ | -19 / - | 4 | Partial capture |
| 08-27 18:34 | 10m | - / -20 | DB4SNK | -4 / - | 2 | ✓ Closing fragment |
| 08-27 07:23 | 10m | - / -3 | F4BYF | -6 / - | 2 | ✓ Closing fragment |
| 08-21 19:02 | 10m | - / -21 | DN9DSP | -12 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 190215 -11 1851 UB4LAN DN9DSP -21 (x2) 072330 -6 673 UB4LAN F4BYF -03 (x2) 183415 +0 578 UB4LAN DB4SNK -20 (x2) 183815 -21 1712 UB4LAN DJ4JZ JO30 (x4)
CW
No CW receptions recorded for this callsign in the last 30 days.
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