GW5PH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving GW5PH, decoded by SO8OO in southeastern Poland. 20 FT8 messages attributed to this token as transmitter, on 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-08-28.
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 20 FT8 messages attributed to GW5PH as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Several six-hour UTC windows tied for the largest share (60%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.
Overview
Observed FT8 message patterns
- Attributed sample
- 20 messages
- Active dates
- 6 UTC dates
- Estimated median S/N
- -14 dB
- Estimated 10th-90th percentile
- -24 to -6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 4.
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 GW5PH 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 GW5PH
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
- IO81 · 13 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,746 km (approx.)
- Last such locator decoded
- 2026-08-28 10:17 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 | GW5PH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-28 10:17 | 20m | - / -17 | TA4SSK | -8 / - | 8 | Partial capture |
| 08-28 10:11 | 20m | -20 / - | F1PPH | -14 / - | 4 | ✓ Closing observed |
| 08-24 10:34 | 20m | - / -20 | R7OV | -5 / - | 4 | ✓ Closing fragment |
| 08-19 19:08 | 20m | -6 / -6 | UN0GY | -2 / - | 3 | ✓ Closing observed |
| 08-03 15:57 | 20m | - / - | DH1KU | -18 / - | 2 | Partial capture |
| 08-03 10:33 | 20m | - / - | PB7Z | +6 / - | 3 | Partial capture |
| 08-03 10:32 | 20m | - / -9 | F1PBZ | -16 / - | 2 | ✓ Closing fragment |
| 07-31 11:28 | 20m | - / - | F1PSX | -8 / - | 2 | Partial capture |
| 07-09 17:24 | 20m | -14 / - | RX9ABI | - / - | 2 | Partial capture |
| 06-30 16:14 | 20m | - / -9 | PA2KV | -14 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 101230 -19 2179 F1PPH GW5PH +18 (x2) 101315 -13 2178 GW5PH F1PPH 73 101400 -24 2179 CQ GW5PH IO81 101415 -7 2179 GW5PH F5SJC JN05 101515 -3 2179 GW5PH F5MXH 73 101730 -24 2179 CQ GW5PH IO81 101745 -10 2179 GW5PH TA4SSK KM57 (x8)
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee