SV1TAJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SV1TAJ, decoded by SO8OO in southeastern Poland. 10 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-31.
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 10 FT8 messages attributed to SV1TAJ as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -14 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 10 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -14 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 2.
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 SV1TAJ in decoded directed-looking exchanges:
Most frequent locator attributed to SV1TAJ
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
- KM17
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,386 km (approx.)
- Last such locator decoded
- 2026-08-31 18:11 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 | SV1TAJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-31 18:32 | 20m | -14 / - | <...> | - / -3 | 2 | Partial capture |
| 08-31 13:53 | 20m | -11 / - | IS0YHV | - / -11 | 2 | ✓ Closing fragment |
| 08-31 13:46 | 20m | -12 / - | OE8RPK | - / -19 | 4 | ✓ Closing fragment |
| 08-31 13:42 | 20m | - / -4 | F5IXN | +2 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 134230 +2 1827 SV1TAJ F5IXN JN23 (x3) 134645 -15 2056 OE8RPK SV1TAJ -19 (x4) 135215 -15 2056 <...> SV1TAJ -16 135315 -15 2057 IS0YHV SV1TAJ -11 (x2) 181145 -7 2087 CQ SV1TAJ KM17 181230 -8 2586 SV1TAJ DL1R JN58 183215 -16 1099 <...> SV1TAJ -03 (x2)
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee