NC4VA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving NC4VA, decoded by SO8OO in southeastern Poland. 3 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-08-20 and 2026-08-26.
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 3 FT8 messages attributed to NC4VA as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The available sample contains attributed decodes on 20 m (67%) and 40 m (33%). The sample is too small to infer a recurring UTC-hour or received-S/N pattern.
Overview
Bands
Last attributed message: 2026-08-26 00:02 UTC
Observed FT8 message patterns
- Attributed sample
- 3 messages
- Active dates
- 2 UTC dates
- S/N summary
- Too few decodes
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
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 NC4VA in decoded directed-looking exchanges:
Most frequent locator attributed to NC4VA
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
- FM05 · 2 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 7,754 km (approx.)
- Last such locator decoded
- 2026-08-26 00:02 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 | NC4VA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-19 04:22 | 40m | - / - | YO6LM | -11 / - | 2 | Partial capture |
| 09-19 04:14 | 40m | - / -14 | HK3W | -16 / - | 2 | Partial capture |
| 08-26 00:01 | 20m | -22 / - | CO6XX | - / - | 2 | Partial capture |
| 08-20 03:39 | 20m | - / - | RK6OZ | -22 / - | 2 | ✓ Closing fragment |
| 08-20 03:39 | 40m | - / - | R7DX | +7 / - | 4 | Partial capture |
| 08-04 03:56 | 40m | - / - | 4X5MZ | -5 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 033930 -21 2234 NC4VA YO9PH -21 035600 -5 2534 NC4VA 4X5MZ KM71 (x2) 032830 -22 2013 VE3BNW NC4VA R-06 033945 +9 1539 NC4VA R7DX KN84 (x4) 041415 -14 1093 NC4VA HK3W FJ34 (x2) 042230 -12 2803 NC4VA YO6LM KN25 (x2)
UTC dB Audio Message 033945 -24 1731 NC4VA RK6OZ RR73 (x2) 000100 -20 1689 CO6XX NC4VA FM05 (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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