WP4V — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving WP4V, decoded by SO8OO in southeastern Poland. 9 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-09.
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 9 FT8 messages attributed to WP4V as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -12 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 9 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -12 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 1.
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 WP4V in decoded directed-looking exchanges:
Most frequent locator attributed to WP4V
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
- FK68 · 3 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 8,360 km (approx.)
- Last such locator decoded
- 2026-07-09 22:13 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 | WP4V S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-11 19:30 | 20m | - / -10 | HB9TIH | -5 / - | 3 | ✓ Closing fragment |
| 07-09 22:08 | 20m | -10 / - | KB9RP | - / -9 | 2 | ✓ Closing fragment |
| 07-09 21:53 | 40m | - / - | E71DK | -16 / - | 3 | Partial capture |
| 07-09 21:36 | 20m | - / - | F6IQA | +4 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 211800 -16 1052 WP4V IW9HPG JM78 213600 +6 1551 WP4V F6IQA JN13 (x2) 215915 -14 2520 CQ WP4V FK68 (x2) 220645 -13 2523 KA0UNB WP4V -11 220845 -11 427 KB9RP WP4V -09 (x2) 221045 -7 2770 SP8TN WP4V -11 221315 -13 637 CQ WP4V FK68 a1 221545 -12 427 KB8VUM WP4V -14 222215 -10 459 ON3JJT WP4V RR73 193000 -5 1798 WP4V HB9TIH JN36 (x3)
UTC dB Audio Message 215300 -17 1230 WP4V E71DK JN94 (x3)
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