9A4A — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving 9A4A, decoded by SO8OO in southeastern Poland. 18 FT8 messages attributed to this token as transmitter, on 160m, 80m, across 2 UTC dates in the available aggregate history. Observed between 2026-10-26 and 2026-10-27.
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 18 FT8 messages attributed to 9A4A as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (56%), followed by 80 m (44%). In this small sample, the estimated median decoder S/N was +7 dB; no usual signal pattern is inferred.
Overview
Bands
Last attributed message: 2026-10-27 17:02 UTC
Observed FT8 message patterns
- Attributed sample
- 18 messages
- Active dates
- 2 UTC dates
- Estimated median S/N
- +7 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 18.
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 9A4A in decoded directed-looking exchanges:
Most frequent locator attributed to 9A4A
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
- JN86 · 15 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 521 km (approx.)
- Last such locator decoded
- 2026-10-27 17:01 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 | 9A4A S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-27 17:03 | 80m | - / - | RA3VMD | -12 / - | 2 | Partial capture |
| 10-27 17:03 | 80m | - / - | R1AV | +1 / - | 3 | Partial capture |
| 10-27 17:03 | 80m | - / +1 | S55OO | +2 / - | 2 | Partial capture |
| 10-27 16:59 | 80m | +7 / - | XX9TXN | - / -16 | 8 | ✓ Closing fragment |
| 10-26 20:03 | 160m | +6 / - | S9R | - / - | 10 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 165945 +9 1032 XX9TXN 9A4A JN86 (x7) 170300 +2 1432 9A4A S55OO +01 170300 +6 1032 9A4A R1AV KP50 170330 -15 1328 9A4A SM7WNM -03 170330 +2 1432 9A4A S55OO +01 170330 -13 1158 9A4A RA3VMD LO06 170330 +1 1032 9A4A R1AV KP50 (x2) 170500 -10 1157 9A4A RA3VMD LO06
UTC dB Audio Message 200345 +10 2252 S9R 9A4A JN86 (x10)
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.
CW
No CW receptions recorded for this callsign in the last 30 days.
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