OZ1DSY — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving OZ1DSY, decoded by SO8OO in southeastern Poland. 34 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-19.
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 34 FT8 messages attributed to OZ1DSY as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (59%), followed by 40 m (24%) and 20 m (18%). In this small sample, the estimated median decoder S/N was -9 dB; no usual signal pattern is inferred.
Overview
Bands
Last attributed message: 2026-07-19 20:23 UTC
Observed FT8 message patterns
- Attributed sample
- 34 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -9 dB
- Estimated 10th-90th percentile
- -16 to -4 dB
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 12, strong (≥ -8 dB) 17.
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 OZ1DSY in decoded directed-looking exchanges:
Most frequent locator attributed to OZ1DSY
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
- JO54 · 24 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 892 km (approx.)
- Last such locator decoded
- 2026-07-19 20:23 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 | OZ1DSY S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-19 20:22 | 20m | -16 / - | K3PJH | - / - | 3 | Partial capture |
| 07-19 20:18 | 20m | -11 / - | BG7BMG | - / - | 3 | Partial capture |
| 07-19 20:12 | 40m | -8 / - | VJ6X | - / - | 4 | Partial capture |
| 07-19 20:10 | 40m | -4 / - | DL6ZAJ | -3 / - | 2 | ✓ Closing observed |
| 07-19 20:07 | 40m | -6 / - | LA2JKA | -9 / -2 | 3 | ✓ Closing observed |
| 07-19 19:57 | 80m | -8 / - | RN6HK | -10 / - | 5 | Partial capture |
| 07-19 19:55 | 80m | - / - | 9A4ZM | -1 / - | 3 | Partial capture |
| 07-19 19:55 | 80m | 0 / - | DB9LG | -3 / 0 | 12 | ✓ Closing observed |
| 07-19 19:54 | 80m | -8 / - | DK0KG | -12 / -1 | 3 | Partial capture |
| 07-19 19:52 | 80m | -15 / -3 | SP6FME | +6 / +4 | 5 | ✓ Full exchange observed |
| 07-19 19:48 | 80m | -13 / - | IQ0AK | - / -3 | 3 | ✓ Closing fragment |
| 07-07 18:47 | 40m | - / +6 | LA2JKA | -4 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 190315 -3 370 OZ1DSY EA2DYB IN83 201815 -11 2272 BG7BMG OZ1DSY JO54 (x3) 202230 -16 2228 K3PJH OZ1DSY JO54 (x3)
UTC dB Audio Message 184715 -2 2746 OZ1DSY LA2JKA +06 (x2) 200715 -7 2758 LA2JKA OZ1DSY JO54 (x2) 200800 -9 2757 OZ1DSY LA2JKA RR73 200915 -7 2757 CQ OZ1DSY JO54 201030 -3 2756 OZ1DSY DL6ZAJ RR73 201045 -4 2755 DL6ZAJ OZ1DSY 73 201100 -22 2067 OZ1DSY RW3DDZ KO86 201215 -8 2488 VJ6X OZ1DSY JO54 (x4)
UTC dB Audio Message 195630 +1 1100 OZ1DSY 9A4ZM JN86 195700 -10 1104 OZ1DSY RN6HK LN14 195700 -5 402 OZ1DSY DB9LG JO40 195745 -6 1103 RN6HK OZ1DSY JO54 195800 -5 402 OZ1DSY DB9LG JO40 195815 -7 1104 RN6HK OZ1DSY JO54 195830 +7 402 OZ1DSY DB9LG JO40 195845 -11 1103 RN6HK OZ1DSY JO54 195900 -2 401 OZ1DSY DB9LG JO40 195915 -7 1103 RN6HK OZ1DSY JO54 195930 -6 402 OZ1DSY DB9LG JO40 (x2) 200045 +1 401 DB9LG OZ1DSY JO54 (x3)
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