HB9/S50B — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving HB9/S50B, decoded by SO8OO in southeastern Poland. 22 FT8 messages attributed to this token as transmitter, on 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-10-27 and 2026-10-28.
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 22 FT8 messages attributed to HB9/S50B as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -13 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 22 messages
- Active dates
- 2 UTC dates
- Estimated median S/N
- -13 dB
- Estimated 10th-90th percentile
- -17 to -9 dB
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 2.
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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with HB9/S50B 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 HB9/S50B
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
- JO90
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 208 km (approx.)
- Last such locator decoded
- 2026-10-28 13:16 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 | HB9/S50B S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-29 15:58 | 40m | - / - | S57CT | +4 / - | 4 | Partial capture |
| 10-29 06:40 | 40m | - / -4 | DL6FBR | -2 / - | 2 | Partial capture |
| 10-29 05:15 | 40m | - / - | DL1GLO | -1 / - | 3 | Partial capture |
| 10-28 21:00 | 40m | - / -18 | LY2HM | -10 / - | 2 | Partial capture |
| 10-28 17:46 | 40m | - / - | IU0WSR | -12 / - | 2 | Partial capture |
| 10-28 08:37 | 40m | - / - | 9A4ZM | -3 / - | 2 | Partial capture |
| 10-28 05:44 | 40m | - / - | DG5AAG | -3 / - | 2 | Partial capture |
| 10-27 19:06 | 40m | -12 / - | US2YW | - / -6 | 2 | Partial capture |
| 10-27 18:31 | 40m | -15 / -18 | YO4NF | -6 / -6 | 2 | Partial capture |
| 10-27 18:30 | 40m | -15 / - | <...> | - / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 174715 -10 2533 HB9/S50B IU0WSR JN61 175845 -9 2489 CQ HB9/S50B (x2) 210015 -9 2490 HB9/S50B LY2HM KO15 (x2) 222030 -12 2482 TC29TC HB9/S50B 73 051515 -3 2538 HB9/S50B DL1GLO JN47 (x3) 064045 -2 2486 HB9/S50B DL6FBR JN49 (x2) 155830 +6 2526 HB9/S50B S57CT JN76 (x4)
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.
CW
No CW receptions recorded for this callsign in the last 30 days.
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