DB5TW — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DB5TW, decoded by SO8OO in southeastern Poland. 12 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-30.
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 12 FT8 messages attributed to DB5TW 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 -8 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 12 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -8 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 3, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 7.
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 DB5TW in decoded directed-looking exchanges:
Most frequent locator attributed to DB5TW
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
- JO31 · 6 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,054 km (approx.)
- Last such locator decoded
- 2026-08-30 14:11 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 | DB5TW S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-30 14:11 | 20m | -9 / +2 | TA4SSK | -11 / +4 | 5 | ✓ Full exchange observed |
| 08-30 14:09 | 20m | - / - | F4HTV | +9 / - | 6 | Partial capture |
| 08-30 13:32 | 20m | -20 / - | LB4PI | - / - | 2 | ✓ Closing fragment |
| 08-30 12:04 | 20m | -12 / - | TA4SSK | -12 / +2 | 5 | Partial capture |
| 08-30 11:54 | 20m | - / -2 | LZ6C | +2 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 140945 -5 1795 CQ DB5TW JO31 (x2) 141030 +4 2875 DB5TW F5URG +00 141045 -5 1482 CQ DB5TW JO31 141100 +11 752 DB5TW F4HTV JN25 141115 -2 1482 CQ DB5TW JO31 141130 -7 1482 DB5TW TA4SSK KM57 141130 +10 752 DB5TW F4HTV JN25 141145 -11 1482 TA4SSK DB5TW +04 141200 +5 752 DB5TW F4HTV JN25 141215 -7 1482 TA4SSK DB5TW RR73 141230 -20 1482 DB5TW TA4SSK R+02 141230 +9 752 DB5TW F4HTV JN25 141300 -7 1482 DB5TW TA4SSK 73 141300 +8 752 DB5TW F4HTV JN25
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