7Z1OO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 7Z1OO, decoded by SO8OO in southeastern Poland. 18 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-10-05.
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 18 FT8 messages attributed to 7Z1OO as the transmitting token by decoded message structure across 1 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 -22 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 18 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -22 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.
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 7Z1OO in decoded directed-looking exchanges:
Most frequent locator attributed to 7Z1OO
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
- LL56 · 16 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 3,604 km (approx.)
- Last such locator decoded
- 2026-10-05 20:01 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 | 7Z1OO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-05 20:01 | 40m | - / - | IU1TKQ | -6 / - | 2 | Partial capture |
| 10-05 19:57 | 40m | - / - | DH8IAB | +4 / - | 8 | Partial capture |
| 10-05 19:55 | 40m | - / - | EA6ABF | -4 / - | 4 | Partial capture |
| 10-05 19:48 | 40m | - / - | M7HET | -8 / - | 2 | Partial capture |
| 10-05 19:47 | 40m | - / - | DH8IAB | -7 / - | 3 | Partial capture |
| 10-05 19:43 | 40m | - / - | IN3IZQ | -13 / - | 5 | Partial capture |
| 10-05 19:42 | 40m | -16 / -8 | 9A7W | +4 / - | 3 | ✓ Closing observed |
| 10-05 19:39 | 40m | - / - | F8STC | -4 / - | 13 | Partial capture |
| 10-05 19:36 | 40m | - / - | RD3FY | -11 / - | 2 | Partial capture |
| 10-05 19:36 | 40m | - / - | UT8NL | -10 / - | 2 | Partial capture |
| 10-05 19:36 | 40m | - / - | HB9ELE | +18 / - | 2 | Partial capture |
| 10-05 19:29 | 40m | - / -12 | IZ4ORF | -5 / - | 3 | ✓ Closing fragment |
| 10-05 19:27 | 40m | - / -8 | UA3QGT | -2 / - | 2 | ✓ Closing fragment |
| 10-05 19:18 | 40m | - / - | EA7ALL | +6 / - | 4 | Partial capture |
| 10-05 19:17 | 40m | -22 / -12 | EI4KF | +11 / -16 | 4 | ✓ Full exchange observed |
| 10-05 19:16 | 40m | - / - | SV2SKU | -7 / - | 3 | Partial capture |
| 10-05 19:09 | 40m | - / - | IZ0BYM | -10 / - | 3 | Partial capture |
| 10-05 19:09 | 40m | - / -14 | YO3JW | +12 / - | 2 | ✓ Closing fragment |
| 10-05 19:08 | 40m | - / - | SV7CFC | 0 / - | 2 | Partial capture |
| 10-05 19:06 | 40m | - / -14 | YO3JW | +10 / - | 2 | Partial capture |
| 10-05 18:57 | 40m | - / - | OK4YL | -2 / - | 2 | Partial capture |
| 10-05 18:56 | 40m | - / - | EA7ALL | -4 / - | 2 | Partial capture |
| 10-05 18:55 | 40m | - / - | LB5AK | -11 / - | 5 | Partial capture |
| 10-05 18:53 | 40m | - / -17 | EX7CQ | -5 / - | 2 | ✓ Closing fragment |
| 10-05 18:50 | 40m | - / -15 | R3BDQ | -6 / - | 4 | Partial capture |
| 10-05 18:50 | 40m | - / - | OE6TNO | -5 / - | 6 | Partial capture |
| 10-05 18:49 | 40m | - / - | M7HET | -6 / - | 2 | Partial capture |
| 10-05 18:47 | 40m | - / - | RD3FY | -3 / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 195700 -23 1568 CQ 7Z1OO LL56 a1 195715 +0 1568 7Z1OO DH8IAB JO30 (x2) 195800 -22 1568 CQ 7Z1OO LL56 195815 +3 2733 7Z1OO IZ4EFV JN64 195815 +5 1568 7Z1OO DH8IAB JO30 195830 -18 1568 CQ 7Z1OO LL56 195845 +5 1568 7Z1OO DH8IAB JO30 (x4) 200130 -24 1568 CQ 7Z1OO LL56 a1 200145 -9 2235 7Z1OO IU1TKQ JN45 200145 +9 2526 7Z1OO DH8IAB JO30 200245 -4 2235 7Z1OO IU1TKQ JN45
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