UN7BI — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UN7BI, decoded by SO8OO in southeastern Poland. 93 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 12 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-14.
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 93 FT8 messages attributed to UN7BI as the transmitting token by decoded message structure across 12 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (92%), followed by 40 m (8%). Most decodes (73%) fell within the six-hour window 20:00-02:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.
Overview
Bands
Last attributed message: 2026-09-14 00:49 UTC
Observed FT8 message patterns
- Attributed sample
- 93 messages
- Active dates
- 12 UTC dates
- Estimated median S/N
- -9 dB
- Estimated 10th-90th percentile
- -15 to -2 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 43, strong (≥ -8 dB) 45.
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 UN7BI in decoded directed-looking exchanges:
Most frequent locator attributed to UN7BI
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
- MO43 · 73 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 3,216 km (approx.)
- Last such locator decoded
- 2026-09-14 00:49 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 | UN7BI S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-14 00:48 | 40m | -9 / -3 | DL2AX | -3 / -9 | 5 | ✓ Full exchange observed |
| 09-11 20:51 | 40m | - / - | PD2PE | -14 / - | 3 | Partial capture |
| 09-11 20:48 | 40m | - / -11 | R3VA | +9 / - | 2 | ✓ Closing fragment |
| 09-11 20:47 | 40m | - / - | SV1DKR | -11 / - | 2 | Partial capture |
| 09-10 22:16 | 40m | - / -18 | F1PBZ | -8 / - | 2 | Partial capture |
| 08-29 06:39 | 20m | - / -24 | HB9TWU | -1 / - | 3 | ✓ Closing fragment |
| 08-27 02:00 | 20m | - / -17 | KB2ELA | +2 / - | 2 | ✓ Closing fragment |
| 08-27 01:59 | 20m | - / -1 | F1PBZ | 0 / - | 2 | ✓ Closing fragment |
| 08-26 01:32 | 20m | - / 0 | AD8J | -20 / - | 3 | ✓ Closing fragment |
| 08-26 01:08 | 20m | - / - | KU4CG | 0 / - | 3 | Partial capture |
| 08-26 01:00 | 20m | - / -2 | KB3Z | +6 / - | 3 | ✓ Closing fragment |
| 08-24 01:47 | 20m | - / - | DL1R | -5 / - | 7 | Partial capture |
| 08-23 02:26 | 20m | - / -12 | F1PBZ | -5 / - | 4 | Partial capture |
| 08-17 00:51 | 20m | - / -18 | OZ1BUR | -2 / - | 3 | ✓ Closing fragment |
| 08-12 01:46 | 20m | - / -20 | DH2RL | -3 / - | 4 | ✓ Closing fragment |
| 08-11 21:50 | 40m | - / - | YT1DDL | -20 / - | 2 | Partial capture |
| 08-10 01:37 | 20m | - / -22 | CT3MD | -14 / - | 2 | Partial capture |
| 07-06 23:42 | 20m | - / - | F4NDC | -11 / - | 2 | Partial capture |
| 07-03 00:36 | 20m | - / -22 | PY2GZ | -18 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 204815 +9 754 UN7BI R3VA -11 (x2) 205115 -15 1623 UN7BI PD2PE JO21 (x3) 004630 -15 2466 CQ UN7BI MO43 (x4) 004815 -2 2467 UN7BI DL2AX JO51 004830 -9 2466 DL2AX UN7BI -09 004845 -3 2467 UN7BI DL2AX R-03 004900 -9 2466 DL2AX UN7BI RR73 004915 -5 2467 UN7BI DL2AX 73 004930 -8 2466 CQ UN7BI MO43
UTC dB Audio Message 013345 -19 1898 UN7BI AD8J RR73 015915 +2 675 UN7BI F1PBZ -01 (x2) 020045 +0 2751 UN7BI KB2ELA -17 (x2) 213845 -7 670 CQ UN7BI MO43 (x7) 063915 +3 1656 UN7BI HB9TWU JN36 (x3)
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