ON1FB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON1FB, decoded by SO8OO in southeastern Poland. 21 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 7 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-08-10.
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 21 FT8 messages attributed to ON1FB as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (67%), followed by 40 m (24%) and 80 m (10%). Most decodes (100%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.
Overview
Bands
Last attributed message: 2026-08-10 19:57 UTC
Observed FT8 message patterns
- Attributed sample
- 21 messages
- Active dates
- 7 UTC dates
- Estimated median S/N
- -15 dB
- Estimated 10th-90th percentile
- -22 to -4 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 10, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 9.
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 ON1FB 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 ON1FB
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
- JO30 · 13 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,053 km (approx.)
- Last such locator decoded
- 2026-08-10 19:57 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 | ON1FB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-10 19:56 | 20m | - / - | G6MTI | -16 / - | 3 | Partial capture |
| 08-10 19:48 | 20m | - / - | GJ0KYZ | +2 / - | 3 | Partial capture |
| 08-10 19:46 | 20m | -6 / - | KD7DY | - / -24 | 2 | Partial capture |
| 08-07 16:42 | 20m | -18 / - | VE3ARF | - / - | 2 | Partial capture |
| 07-27 17:22 | 20m | - / -1 | EA8DHH | -8 / - | 2 | ✓ Closing fragment |
| 07-15 20:27 | 80m | -22 / -20 | DB3OI | +8 / - | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 194615 -8 2524 KD7DY ON1FB -24 (x2) 194800 +0 2525 ON1FB GJ0KYZ IN89 (x3) 195115 -6 2958 JR7COP ON1FB JO30 195330 -3 3026 CQ ON1FB JO30 195400 +1 3026 JH3OWW ON1FB -19 195500 -6 3026 CQ ON1FB JO30 195530 -6 3026 BE0MFY ON1FB RR73 195615 -19 1326 ON1FB G6MTI IO81 195630 -5 3026 CQ ON1FB JO30 195645 -15 1326 ON1FB G6MTI IO81 195700 -7 3026 CQ ON1FB JO30 195715 -14 1326 ON1FB G6MTI IO81
UTC dB Audio Message 202715 -24 2235 DB3OI ON1FB JO30 202730 +8 2237 ON1FB DB3OI -20 202745 -19 2235 DB3OI ON1FB R+27 202800 +8 2236 ON1FB DB3OI RR73
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.
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