9A5ZS — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 9A5ZS, decoded by SO8OO in southeastern Poland. 21 FT8 messages attributed to this token as transmitter, on 60m, 40m, 10m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-18.
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 21 FT8 messages attributed to 9A5ZS as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (71%), followed by 60 m (19%) and 10 m (10%). Most decodes (90%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.
Overview
Bands
Last attributed message: 2026-09-18 19:09 UTC
Observed FT8 message patterns
- Attributed sample
- 21 messages
- Active dates
- 6 UTC dates
- Estimated median S/N
- -13 dB
- Estimated 10th-90th percentile
- -21 to -5 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 6.
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 9A5ZS 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 9A5ZS
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
- JN83 · 10 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 803 km (approx.)
- Last such locator decoded
- 2026-09-18 19:09 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 | 9A5ZS S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-18 19:09 | 60m | -14 / - | SQ8AA | - / - | 2 | Partial capture |
| 09-16 18:07 | 60m | -9 / - | OM3PR | 0 / -7 | 3 | Partial capture |
| 09-16 18:05 | 60m | - / -13 | DK1XAM | -4 / - | 2 | ✓ Closing fragment |
| 09-11 19:54 | 80m | - / -13 | Z62NS | +6 / - | 2 | Partial capture |
| 09-11 15:57 | 40m | -11 / - | Z34CMF | - / -2 | 3 | ✓ Closing fragment |
| 08-31 19:19 | 40m | -14 / -25 | SM2OTU | -11 / - | 3 | ✓ Closing observed |
| 08-31 19:15 | 40m | - / -15 | YO4GIY | -2 / - | 2 | ✓ Closing fragment |
| 06-25 19:24 | 40m | - / -14 | YL3CU | -2 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 180530 -7 526 9A5ZS DK1XAM -13 (x2) 180730 +0 526 9A5ZS OM3PR JN87 180745 -8 527 OM3PR 9A5ZS -07 (x2) 190915 -13 2252 SQ8AA 9A5ZS JN83 (x2)
UTC dB Audio Message 192400 -14 2104 9A5ZS UT5ZC RR73 192445 -2 354 9A5ZS YL3CU -14 (x2) 175530 -11 1633 9A5ZS DJ6OI -16 191515 -2 1789 9A5ZS YO4GIY -15 (x2) 191800 -17 705 TA3GO 9A5ZS 73 191900 -11 2733 9A5ZS SM2OTU -25 191915 +14 702 9A5ZS 9A4ZM JN86 192030 -11 2733 9A5ZS SM2OTU -20 192145 -14 2733 SM2OTU 9A5ZS 73 155715 -12 647 Z34CMF 9A5ZS JN83 (x3) 200300 -1 2869 GM0HTT 9A5ZS JN83
UTC dB Audio Message 195400 +6 1495 9A5ZS Z62NS -13 (x2)
UTC dB Audio Message 120245 -7 869 9A5ZS G4MHJ -20
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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