IU8QJO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU8QJO, decoded by SO8OO in southeastern Poland. 314 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-08-26.
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 314 FT8 messages attributed to IU8QJO as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (46%), followed by 20 m (42%) and 40 m (12%). Several six-hour UTC windows tied for the largest share (56%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.
Overview
Bands
Last attributed message: 2026-08-26 15:34 UTC
Observed FT8 message patterns
- Attributed sample
- 314 messages
- Active dates
- 9 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -16 to -5 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 38, moderate (-15 to -9 dB) 176, strong (≥ -8 dB) 100.
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 IU8QJO in decoded directed-looking exchanges:
Most frequent locator attributed to IU8QJO
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
- JM89 · 189 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,220 km (approx.)
- Last such locator decoded
- 2026-08-26 15:34 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 | IU8QJO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-26 15:08 | 20m | - / - | 7Z1FF | -15 / - | 7 | Partial capture |
| 08-26 08:32 | 20m | -12 / - | DL1R | - / -1 | 10 | Partial capture |
| 08-26 08:26 | 20m | -9 / - | KD4AP | - / -12 | 4 | ✓ Closing fragment |
| 08-26 08:22 | 20m | - / -16 | PD3LKN | +15 / - | 3 | ✓ Closing fragment |
| 08-26 08:20 | 20m | -8 / - | KJ5PTH | - / -23 | 4 | Partial capture |
| 08-26 08:16 | 20m | -13 / - | KJ5PTH | - / -22 | 4 | Partial capture |
| 08-26 08:12 | 20m | - / - | F4HSB | +4 / - | 3 | Partial capture |
| 08-26 08:11 | 20m | -14 / -3 | DL1GWN | +1 / -13 | 3 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 083715 -6 980 CQ IU8QJO JM89 (x3) 150715 -4 980 9V1SH IU8QJO JM89 150745 -7 979 CQ IU8QJO JM89 (x2) 150830 -11 979 IU8QJO 7Z1FF LL15 (x7) 153415 -5 979 CQ IU8QJO JM89 (x2)
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