F4MVX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4MVX, decoded by SO8OO in southeastern Poland. 11 FT8 messages attributed to this token as transmitter, on 60m, 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-31.
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 11 FT8 messages attributed to F4MVX 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 (55%), followed by 60 m (45%). In this small sample, the estimated median decoder S/N was -16 dB; no usual signal pattern is inferred.
Overview
Bands
Last attributed message: 2026-08-31 20:03 UTC
Observed FT8 message patterns
- Attributed sample
- 11 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -16 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 6, moderate (-15 to -9 dB) 5, 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 F4MVX in decoded directed-looking exchanges:
Most frequent locator attributed to F4MVX
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
- IN96 · 8 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,724 km (approx.)
- Last such locator decoded
- 2026-08-31 20:03 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 | F4MVX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-19 21:00 | 60m | - / - | ON7GB | -4 / - | 4 | Partial capture |
| 09-19 20:49 | 60m | - / - | TM4GGR | -18 / - | 2 | Partial capture |
| 09-12 21:48 | 60m | - / - | US2YW | +13 / - | 3 | Partial capture |
| 08-31 19:59 | 60m | -14 / - | 3A2MW | - / - | 5 | Partial capture |
| 08-31 19:50 | 40m | -19 / - | JA4FKX | - / - | 3 | Partial capture |
| 08-31 19:43 | 40m | -16 / -15 | 4X5JK | -10 / -20 | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200015 -14 927 3A2MW F4MVX IN96 (x4) 214745 -11 630 F4MVX TM4GGR RR73 214815 +12 631 F4MVX US2YW KN28 (x3) 211730 -15 1039 F4MVX TM4GGR -05 (x3) 210000 -6 1252 F4MVX ON7GB JO21 (x4)
UTC dB Audio Message 194330 -10 2107 F4MVX 4X5JK -15 194515 -17 765 4X5JK F4MVX R-20 (x3) 195015 -17 765 JA4FKX F4MVX IN96 (x3) 110815 -21 1907 F4MVX DK7ZT +02
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