SP5XTY — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP5XTY, decoded by SO8OO in southeastern Poland. 59 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-06.
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 59 FT8 messages attributed to SP5XTY as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (75%), followed by 40 m (25%). In this small sample, the estimated median decoder S/N was +10 dB; no usual signal pattern is inferred.
Overview
Bands
Last attributed message: 2026-09-06 18:55 UTC
Observed FT8 message patterns
- Attributed sample
- 59 messages
- Active dates
- 2 UTC dates
- Estimated median S/N
- +10 dB
- Estimated 10th-90th percentile
- -14 to +19 dB
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 12, strong (≥ -8 dB) 46.
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 SP5XTY in decoded directed-looking exchanges:
Most frequent locator attributed to SP5XTY
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
- KO02 · 34 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 290 km (approx.)
- Last such locator decoded
- 2026-09-06 18:51 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 | SP5XTY S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-06 18:53 | 80m | - / +9 | SQ4WMA | -6 / - | 2 | Partial capture |
| 09-06 18:52 | 80m | - / -4 | E75CC | -12 / - | 2 | Partial capture |
| 09-06 18:52 | 80m | - / - | SP9WAZ | 0 / - | 4 | Partial capture |
| 09-06 18:50 | 80m | +18 / - | OK1VKX | -5 / - | 5 | ✓ Closing observed |
| 09-06 18:47 | 80m | +20 / +6 | SQ2WKJ | +4 / - | 6 | ✓ Full exchange observed |
| 09-06 18:43 | 80m | +16 / -11 | SP9SIL | +1 / +7 | 6 | ✓ Full exchange observed |
| 09-06 18:40 | 80m | +16 / -11 | OZ7CL | 0 / - | 5 | ✓ Full exchange observed |
| 09-06 18:35 | 80m | - / - | SP9WAZ | -6 / - | 2 | Partial capture |
| 09-06 18:03 | 80m | +11 / -24 | RY2B | -8 / +2 | 6 | ✓ Full exchange observed |
| 09-06 17:58 | 80m | +12 / +10 | OL900LTV | -6 / +6 | 3 | Partial capture |
| 09-06 17:51 | 80m | +9 / -20 | RY2B | -6 / - | 9 | Partial capture |
| 09-06 17:48 | 80m | +14 / - | SP9GCZ | +4 / +8 | 5 | ✓ Full exchange observed |
| 09-06 17:47 | 80m | +4 / -9 | YO4NT | +9 / -19 | 4 | ✓ Full exchange observed |
| 09-06 17:45 | 80m | +12 / - | R3LAF | +1 / +6 | 5 | ✓ Closing observed |
| 09-06 16:36 | 40m | -15 / - | R7OQ | - / 0 | 5 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 185145 -1 1504 CQ SP5XTY KO02 185200 -3 534 SP5XTY SP9WAZ JO90 185200 +4 1504 SP5XTY OK1VKX JN69 185200 -14 2219 SP5XTY E75CC -04 185215 +19 1504 SQ2WKJ SP5XTY 73 185230 +1 534 SP5XTY SP9WAZ JO90 185230 -24 1557 SP5XTY ON6CQ JO11 185230 -9 2219 SP5XTY E75CC -04 185230 -19 1503 SP5XTY DO1MGN JO50 185245 +18 1504 OK1VKX SP5XTY 73 185300 -8 1504 SP5XTY SQ4WMA KO14 185300 -1 534 SP5XTY SP9WAZ JO90 (x2) 185400 -4 1504 SP5XTY SQ4WMA +09 185515 +15 1504 DO1MGN SP5XTY 73
UTC dB Audio Message 163600 -16 1623 R7OQ SP5XTY KO02 (x5)
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