IU7XWD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU7XWD, decoded by SO8OO in southeastern Poland. 46 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-05.
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 46 FT8 messages attributed to IU7XWD as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (91%), followed by 40 m (9%). Several six-hour UTC windows tied for the largest share (93%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (78%); the estimated median was -2 dB.
Overview
Bands
Last attributed message: 2026-09-05 20:56 UTC
Observed FT8 message patterns
- Attributed sample
- 46 messages
- Active dates
- 5 UTC dates
- Estimated median S/N
- -2 dB
- Estimated 10th-90th percentile
- -17 to +7 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 6, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 36.
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 IU7XWD in decoded directed-looking exchanges:
Most frequent locator attributed to IU7XWD
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
- JN80 · 24 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,114 km (approx.)
- Last such locator decoded
- 2026-09-05 20:56 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 | IU7XWD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-05 20:56 | 40m | - / - | DL3MIB | +7 / - | 6 | Partial capture |
| 09-05 20:51 | 40m | -14 / - | JH0KWZ | - / - | 3 | Partial capture |
| 08-28 00:52 | 20m | - / -7 | VE3TFN | -18 / - | 2 | ✓ Closing fragment |
| 08-27 15:07 | 20m | - / -3 | A61FJ | -11 / - | 2 | Partial capture |
| 08-22 03:51 | 20m | -23 / -12 | XE1PM | -24 / -11 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 205115 -17 1402 JH0KWZ IU7XWD JN80 (x3) 205615 -12 1402 CQ IU7XWD JN80 205630 +6 1070 IU7XWD DL3MIB JN57 (x2) 205730 -9 1688 IU7XWD OZ8MW JO46 205730 +7 1069 IU7XWD DL3MIB JN57 (x4)
UTC dB Audio Message 224300 -23 1942 IU7XWD II1WWA -08 (x2) 095445 -6 957 IU7XWD II5WWA +00 034315 -24 1735 XE1PM IU7XWD JN80 (x2) 035230 -24 1921 IU7XWD XE1PM -12 035315 -22 1731 XE1PM IU7XWD R-11 150700 -13 2318 IU7XWD A61FJ -03 (x2) 185045 +5 576 IU7XWD YI1QEA -19 005230 -19 2249 IU7XWD VE3TFN -07 (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.
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