SV1IYA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SV1IYA, decoded by SO8OO in southeastern Poland. 22 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 4 UTC dates in the available aggregate history. Observed between 2026-07-11 and 2026-09-07.
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 22 FT8 messages attributed to SV1IYA as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (73%), followed by 40 m (27%). Most decodes (86%) fell within the six-hour window 21:00-03:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.
Overview
Bands
Last attributed message: 2026-09-07 20:25 UTC
Observed FT8 message patterns
- Attributed sample
- 22 messages
- Active dates
- 4 UTC dates
- Estimated median S/N
- -7 dB
- Estimated 10th-90th percentile
- -19 to +4 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 6, strong (≥ -8 dB) 12.
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.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with SV1IYA in decoded directed-looking exchanges:
Most frequent locator attributed to SV1IYA
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 · 11 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,386 km (approx.)
- Last such locator decoded
- 2026-09-07 20:21 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 | SV1IYA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-07 20:27 | 80m | - / - | DH5BO | -10 / - | 2 | Partial capture |
| 09-07 20:25 | 80m | -14 / -14 | IQ4JO | +3 / - | 3 | ✓ Closing observed |
| 09-07 20:22 | 80m | - / -19 | JH2FXK | -12 / - | 3 | ✓ Closing fragment |
| 09-07 20:21 | 80m | -15 / -13 | R5AV | +7 / -9 | 3 | ✓ Full exchange observed |
| 08-30 02:46 | 80m | +2 / -9 | EC5M | -2 / +5 | 5 | ✓ Full exchange observed |
| 08-30 02:43 | 80m | - / -5 | R7DX | +11 / - | 3 | ✓ Closing fragment |
| 08-30 02:40 | 80m | +5 / - | UA4FKT | - / -7 | 2 | ✓ Closing fragment |
| 08-30 02:38 | 80m | -3 / +2 | RM6OS | +10 / -1 | 5 | ✓ Full exchange observed |
| 08-30 02:23 | 80m | -6 / +1 | IR7MGGC | 0 / -4 | 3 | Partial capture |
| 08-24 21:40 | 40m | -6 / - | XV9B | - / - | 3 | Partial capture |
| 07-11 23:02 | 40m | -20 / - | GU0VPA | - / -18 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 225830 -1 2706 SV1IYA RR73; F6KIM <...> -04 230230 -21 1221 GU0VPA SV1IYA R-18 (x2) 230315 -10 598 SV1IYA DK8HC JO42 213945 -14 2066 II7MGBT SV1IYA KM17 214015 -6 1003 XV9B SV1IYA KM17 (x3) 204630 -18 1869 SV1IYA A61FJ RR73
UTC dB Audio Message 024715 +7 500 EC5M SV1IYA R+05 024730 -3 502 SV1IYA EC5M RR73 024745 +1 501 EC5M SV1IYA 73 202115 -24 1189 CQ SV1IYA KM17 202130 +5 1189 SV1IYA R5AV -13 202145 -15 1189 R5AV SV1IYA R-09 202200 +9 1189 SV1IYA R5AV RR73 202230 -13 2315 SV1IYA JH2FXK PM84 (x3) 202500 +1 2366 SV1IYA IQ4JO JN63 (x2) 202545 -14 1189 IQ4JO SV1IYA RR73 202700 -13 1167 SV1IYA DH5BO JO43 (x2)
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee