F8DFO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F8DFO, decoded by SO8OO in southeastern Poland. 35 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 10m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-08-13.
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 35 FT8 messages attributed to F8DFO as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (40%), followed by 80 m (29%) and 40 m (26%). Several six-hour UTC windows tied for the largest share (94%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (60%); the estimated median was -12 dB.
Overview
Bands
Last attributed message: 2026-08-13 21:09 UTC
Observed FT8 message patterns
- Attributed sample
- 35 messages
- Active dates
- 4 UTC dates
- Estimated median S/N
- -12 dB
- Estimated 10th-90th percentile
- -20 to -5 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 6, moderate (-15 to -9 dB) 21, strong (≥ -8 dB) 8.
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 F8DFO in decoded directed-looking exchanges:
Most frequent locator attributed to F8DFO
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
- JO10 · 22 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,335 km (approx.)
- Last such locator decoded
- 2026-08-13 21:09 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 | F8DFO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-13 21:09 | 40m | -8 / - | VJ6X | - / - | 2 | Partial capture |
| 08-13 21:08 | 40m | -12 / -2 | R5AV | -8 / +2 | 3 | ✓ Full exchange observed |
| 08-13 21:04 | 40m | -12 / -11 | RN6MA | -12 / -2 | 4 | ✓ Full exchange observed |
| 08-13 20:59 | 160m | - / -16 | PA3WL | -19 / - | 2 | ✓ Closing fragment |
| 08-13 20:54 | 80m | +8 / - | 9J2FI | - / - | 2 | Partial capture |
| 08-13 20:45 | 80m | -6 / 0 | F5MYK | -13 / - | 5 | ✓ Full exchange observed |
| 08-13 20:44 | 80m | -4 / - | TM0BSM | - / - | 2 | ✓ Closing fragment |
| 08-09 18:19 | 80m | -15 / -9 | SP9WAZ | +18 / -15 | 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 210415 -13 1325 CQ F8DFO JO10 210430 -11 1325 F8DFO RN6MA -11 210445 -13 1325 RN6MA F8DFO R-02 210500 -14 1325 F8DFO RN6MA RR73 210515 -10 1325 RN6MA F8DFO 73 210545 -9 2008 <...> F8DFO JO10 210715 -12 1738 CQ F8DFO JO10 (x2) 210800 -6 1738 F8DFO R5AV -02 210815 -12 1738 R5AV F8DFO R+02 210830 -9 1738 F8DFO R5AV RR73 210900 -12 1181 F8DFO S57BTI JN75 210915 -6 2489 VJ6X F8DFO JO10 (x2)
UTC dB Audio Message 205900 -17 1495 F8DFO PA3WL R-16 205900 +1 2598 F8DFO F1PBZ -03 205930 -21 1495 F8DFO PA3WL 73
UTC dB Audio Message 181845 -17 1543 CQ F8DFO JO10 181900 +19 461 F8DFO SP9WAZ -09 181915 -15 1543 SP9WAZ F8DFO R-15 181930 +16 461 F8DFO SP9WAZ RR73 181945 -15 1543 SP9WAZ F8DFO 73 204430 -7 2459 TM0BSM F8DFO R+13 (x2) 204515 -6 2505 F8DFO F5MYK IN97 (x2) 204600 -6 2459 F5MYK F8DFO +11 204615 -15 2505 F8DFO F5MYK R+00 (x2) 205430 +9 2915 9J2FI F8DFO JO10 (x2)
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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