ON4ADA — 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 ON4ADA, decoded by SO8OO in southeastern Poland. 18 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-08-22 and 2026-11-02.
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 ON4ADA as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (39%), followed by 80 m (28%) and 40 m (28%). In this small sample, the estimated median decoder S/N was -7 dB; no usual signal pattern is inferred.
Overview
Bands
Last attributed message: 2026-11-02 19:13 UTC
Observed FT8 message patterns
- Attributed sample
- 18 messages
- Active dates
- 5 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) 2, moderate (-15 to -9 dB) 3, 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. 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 ON4ADA in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to ON4ADA
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 · 10 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,335 km (approx.)
- Last such locator decoded
- 2026-11-02 19:13 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 | ON4ADA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-02 19:10 | 40m | -5 / - | MI7XHT | - / +1 | 3 | ✓ Closing fragment |
| 11-02 19:04 | 80m | -22 / - | F4JRK | - / - | 2 | ✓ Closing fragment |
| 10-29 20:26 | 80m | - / -4 | G0IUS | -5 / - | 4 | ✓ Closing fragment |
| 10-29 20:24 | 80m | -8 / - | SM7XON | - / -2 | 3 | ✓ Closing fragment |
| 10-14 18:49 | 60m | -8 / - | ON7VZ | - / - | 2 | Partial capture |
| 10-13 18:34 | 60m | -7 / +4 | ON7GB | +8 / - | 4 | ✓ Closing observed |
| 10-13 18:33 | 60m | - / - | DK7ZT | -3 / - | 3 | Partial capture |
| 10-13 18:31 | 60m | -2 / -4 | ON8LX | -8 / - | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 191000 -4 505 MI7XHT ON4ADA JO10 (x3) 191200 -6 505 PF40EUDXF ON4ADA JO10 191330 -7 505 TC5ATA ON4ADA JO10
UTC dB Audio Message 073900 -19 1317 ON4ADA ON3ANY +17 202430 -10 574 SM7XON ON4ADA JO10 (x3) 202645 -4 1073 ON4ADA G0IUS JO01 (x4) 202945 +3 237 ON4ADA DO1ID +02 190445 -23 471 F4JRK ON4ADA JO10 (x2)
UTC dB Audio Message 183215 +0 270 ON8LX ON4ADA JO10 183230 -8 1184 ON4ADA ON8LX -04 183245 -4 270 ON8LX ON4ADA R+23 183300 -9 1184 ON4ADA ON8LX RR73 183315 -6 270 ON8LX ON4ADA RR73 183330 +2 270 ON4ADA LZ2VQ KN23 183330 -4 2483 ON4ADA DK7ZT +23 183400 +5 726 ON4ADA ON7GB JO21 183400 -2 2483 ON4ADA DK7ZT +23 183430 +10 726 ON4ADA ON7GB R+04 183430 -4 2483 ON4ADA DK7ZT +23 183445 -7 270 ON7GB ON4ADA RR73 183500 +9 726 ON4ADA ON7GB 73 184900 -8 270 ON7VZ ON4ADA JO10 (x2)
UTC dB Audio Message 064215 -17 2208 ON4ADA 9A5E -06 064330 -11 926 CR7BUJ ON4ADA JO10
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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