ON5AT — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON5AT, decoded by SO8OO in southeastern Poland. 9 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-16.
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 9 FT8 messages attributed to ON5AT as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -7 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 9 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -7 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 3, strong (≥ -8 dB) 6.
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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with ON5AT in decoded directed-looking exchanges:
Most frequent locator attributed to ON5AT
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
- JN29 · 6 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,206 km (approx.)
- Last such locator decoded
- 2026-09-16 20:11 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 | ON5AT S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-16 20:13 | 40m | - / - | OZ1LGJ | -8 / - | 3 | Partial capture |
| 09-16 20:12 | 40m | - / - | DJ0MAB | +7 / - | 3 | Partial capture |
| 09-16 20:11 | 40m | -10 / - | GJ0KYZ | -11 / -6 | 3 | ✓ Closing observed |
| 09-16 20:07 | 40m | -4 / - | 9A4AA | - / - | 4 | Partial capture |
| 09-16 20:04 | 40m | -12 / - | F4CQS | - / -25 | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200815 -7 2058 9A4AA ON5AT JN29 (x3) 201115 -6 1890 CQ ON5AT JN29 201130 +3 1890 ON5AT R5AV -09 201145 -9 1892 GJ0KYZ ON5AT R-06 201200 -11 1891 ON5AT GJ0KYZ RR73 201215 -12 1891 GJ0KYZ ON5AT 73 201230 +5 2391 ON5AT DJ0MAB JN49 201230 -11 1888 ON5AT 9A4ZM JN86 201300 -9 1891 ON5AT OZ1LGJ JO46 201300 +8 2391 ON5AT DJ0MAB JN49 (x2) 201400 -9 1891 ON5AT OZ1LGJ JO46 (x2)
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