F4IWF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4IWF, decoded by SO8OO in southeastern Poland. 22 FT8 messages attributed to this token as transmitter, on 20m, 10m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-08-28.
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 22 FT8 messages attributed to F4IWF as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (55%), followed by 10 m (45%). Several six-hour UTC windows tied for the largest share (82%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.
Overview
Bands
Last attributed message: 2026-08-28 16:55 UTC
Observed FT8 message patterns
- Attributed sample
- 22 messages
- Active dates
- 5 UTC dates
- Estimated median S/N
- -7 dB
- Estimated 10th-90th percentile
- -13 to -2 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 8, strong (≥ -8 dB) 13.
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 F4IWF in decoded directed-looking exchanges:
Most frequent locator attributed to F4IWF
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
- JN03 · 10 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,732 km (approx.)
- Last such locator decoded
- 2026-08-28 16:53 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 | F4IWF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-28 16:53 | 20m | -8 / - | EA8DOY | - / -2 | 3 | ✓ Closing fragment |
| 08-06 07:13 | 20m | -4 / - | N2BJ | - / - | 3 | ✓ Closing fragment |
| 07-08 07:18 | 20m | - / -6 | F5RRS | +8 / - | 3 | ✓ Closing fragment |
| 07-05 07:30 | 20m | - / -25 | OL6WWA | +11 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 071830 +8 547 F4IWF F5RRS R-06 (x2) 063915 -10 2481 F4IWF R3XBS -18 061415 -7 2878 K5MGY F4IWF JN03 061615 -13 2588 Z35T F4IWF JN03 (x2) 070900 -12 687 W9BLU F4IWF JN03 071245 -10 1278 UF4S/6 F4IWF JN03 071345 -2 514 N2BJ F4IWF JN03 (x3) 165130 -17 1960 JH5AVM F4IWF JN03 165345 -15 818 EA8DOY F4IWF JN03 (x3)
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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