SV8IIR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SV8IIR, decoded by SO8OO in southeastern Poland. 39 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-15.
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 39 FT8 messages attributed to SV8IIR as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (62%), followed by 10 m (28%) and 40 m (10%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -6 dB.
Overview
Bands
Last attributed message: 2026-09-15 20:42 UTC
Observed FT8 message patterns
- Attributed sample
- 39 messages
- Active dates
- 6 UTC dates
- Estimated median S/N
- -6 dB
- Estimated 10th-90th percentile
- -19 to +10 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 9, strong (≥ -8 dB) 22.
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 SV8IIR in decoded directed-looking exchanges:
Most frequent locator attributed to SV8IIR
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
- KM27 · 22 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,406 km (approx.)
- Last such locator decoded
- 2026-09-15 20:41 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 | SV8IIR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-15 20:43 | 40m | - / - | IK8PLJ | +9 / - | 3 | Partial capture |
| 09-15 20:41 | 40m | 0 / - | VJ6X | - / -18 | 3 | ✓ Closing fragment |
| 08-16 21:12 | 20m | - / - | EA3CUU | -3 / - | 2 | Partial capture |
| 08-16 21:10 | 20m | -8 / - | LU2BA | - / -20 | 4 | ✓ Closing fragment |
| 08-16 21:08 | 20m | -5 / - | CR7BRV | - / -7 | 3 | ✓ Closing fragment |
| 08-16 21:07 | 20m | +2 / - | SQ2FRF | - / -3 | 2 | ✓ Closing fragment |
| 08-16 21:03 | 20m | -2 / - | G7NUT | - / -16 | 4 | ✓ Closing fragment |
| 08-16 21:02 | 20m | +10 / - | GM3CQD | - / -11 | 2 | ✓ Closing fragment |
| 06-25 17:06 | 20m | -14 / - | JT2KAA | - / - | 2 | Partial capture |
| 06-24 17:30 | 10m | -17 / - | 3G0YM | - / - | 9 | Partial capture |
| 06-24 17:24 | 10m | -18 / - | 3G0YM | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 204115 -1 2291 VJ6X SV8IIR KM27 (x3) 204300 +10 2770 SV8IIR IK8PLJ JN70 (x3)
UTC dB Audio Message 210430 -1 2215 G7NUT SV8IIR RR73 (x2) 210630 -9 2215 CQ SV8IIR KM27 210700 -1 2215 SQ2FRF SV8IIR -03 (x2) 210800 -4 2215 CQ SV8IIR KM27 a1 210830 -3 2215 CR7BRV SV8IIR -07 (x3) 211000 -7 2039 LU2BA SV8IIR -20 (x4) 211245 -3 2215 SV8IIR EA3CUU JN12 (x2)
UTC dB Audio Message 171730 -6 3029 SV8IIR SV1SSL R-06 172415 -17 1765 3G0YM SV8IIR KM27 (x11)
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