SP3KN — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP3KN, decoded by SO8OO in southeastern Poland. 20 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-21.
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 20 FT8 messages attributed to SP3KN 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 -6 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 20 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -6 dB
- Estimated 10th-90th percentile
- -11 to +1 dB
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 5, strong (≥ -8 dB) 15.
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 SP3KN in decoded directed-looking exchanges:
Most frequent locator attributed to SP3KN
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
- JO82 · 7 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 439 km (approx.)
- Last such locator decoded
- 2026-09-21 15:25 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 | SP3KN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-21 15:24 | 40m | +1 / - | PD2MAC/P | - / - | 3 | Partial capture |
| 09-21 15:22 | 40m | +1 / - | PD2AVD | - / - | 3 | Partial capture |
| 09-21 10:52 | 40m | -5 / - | F5LMJ | - / -17 | 4 | ✓ Closing fragment |
| 09-21 10:50 | 40m | -8 / -20 | R2EA/P | -20 / -2 | 3 | ✓ Full exchange observed |
| 09-21 10:47 | 40m | -9 / -13 | S53AK | -2 / +3 | 6 | ✓ Full exchange observed |
| 09-21 10:45 | 40m | -6 / - | G8KHF | - / -2 | 4 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 104830 -2 934 SP3KN S53AK R-13 104845 -4 1446 S53AK SP3KN RR73 105015 -9 1446 R2EA/P SP3KN -02 105030 -20 1538 SP3KN R2EA/P R-20 105045 -6 1446 R2EA/P SP3KN RR73 105245 -6 1446 F5LMJ SP3KN -17 (x4) 152230 +1 1446 PD2AVD SP3KN JO82 (x3) 152430 +1 1446 PD2MAC/P SP3KN JO82 (x3)
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