IZ5IOR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IZ5IOR, decoded by SO8OO in southeastern Poland. 51 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 7 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-17.
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 51 FT8 messages attributed to IZ5IOR as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (31%), followed by 80 m (29%) and 10 m (29%). Most decodes (61%) fell within the six-hour window 07:00-13:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (73%); the estimated median was 0 dB.
Overview
Bands
Last attributed message: 2026-09-17 01:17 UTC
Observed FT8 message patterns
- Attributed sample
- 51 messages
- Active dates
- 7 UTC dates
- Estimated median S/N
- 0 dB
- Estimated 10th-90th percentile
- -16 to +16 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 7, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 37.
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 IZ5IOR in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to IZ5IOR
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
- JN53 · 34 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,089 km (approx.)
- Last such locator decoded
- 2026-09-17 01:16 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 | IZ5IOR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-17 01:14 | 80m | +12 / - | V26OC | - / -24 | 6 | ✓ Closing fragment |
| 09-17 01:12 | 80m | -2 / - | RI1FJZ | - / -15 | 2 | Partial capture |
| 09-13 05:32 | 80m | -4 / - | EA8SG | - / -5 | 3 | ✓ Closing fragment |
| 09-13 05:26 | 80m | -9 / - | YV6BXN | - / - | 4 | Partial capture |
| 09-11 06:15 | 40m | -8 / - | J38DX | - / -12 | 5 | ✓ Closing fragment |
| 09-04 07:08 | 10m | -16 / - | DV4ZAR | - / - | 4 | Partial capture |
| 08-28 10:49 | 10m | -14 / - | RI1FJL | - / -26 | 5 | Partial capture |
| 08-15 12:55 | 20m | +7 / - | US2YW | - / +1 | 2 | ✓ Closing fragment |
| 08-15 12:46 | 20m | +3 / - | RI0FA | - / -15 | 14 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 052615 -12 1115 YV6BXN IZ5IOR JN53 (x4) 053200 -1 2762 EA8SG IZ5IOR JN53 (x3) 011215 +3 1532 RI1FJZ IZ5IOR -15 (x2) 011430 +9 2275 V26OC IZ5IOR JN53 (x6)
UTC dB Audio Message 061500 -7 3092 J38DX IZ5IOR JN53 (x5)
UTC dB Audio Message 104945 -13 3105 RI1FJL IZ5IOR JN53 (x5) 070815 -3 2097 DV4ZAR IZ5IOR JN53 (x4)
UTC dB Audio Message 124645 -23 3197 RI0FA IZ5IOR JN53 (x13) 125545 +6 289 US2YW IZ5IOR +01 (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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