M0DDT — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving M0DDT, decoded by SO8OO in southeastern Poland. 21 FT8 messages attributed to this token as transmitter, on 80m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-17.
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 21 FT8 messages attributed to M0DDT as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (100%). In this small sample, the estimated median decoder S/N was -5 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 21 messages
- Active dates
- 1 UTC dates
- Estimated median S/N
- -5 dB
- Estimated 10th-90th percentile
- -11 to -3 dB
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 5, strong (≥ -8 dB) 16.
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 M0DDT in decoded directed-looking exchanges:
Most frequent locator attributed to M0DDT
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
- IO91 · 4 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,607 km (approx.)
- Last such locator decoded
- 2026-09-17 20:46 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 | M0DDT S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-17 20:53 | 80m | - / - | UR4QWW | +3 / - | 6 | Partial capture |
| 09-17 20:51 | 80m | -10 / -10 | US2YW | +7 / -15 | 7 | ✓ Full exchange observed |
| 09-17 20:46 | 80m | - / - | US2YW | +12 / - | 2 | Partial capture |
| 09-17 20:39 | 80m | -6 / - | UW1HM | +18 / -9 | 4 | ✓ Closing observed |
| 09-17 20:35 | 80m | - / -15 | UW1HM | +20 / - | 4 | Partial capture |
| 09-17 20:35 | 80m | -8 / -9 | PE1NPS | -23 / +1 | 5 | ✓ Full exchange observed |
| 09-17 20:34 | 80m | -5 / -9 | DO9BAU | -4 / -5 | 11 | ✓ Full exchange observed |
| 09-17 20:32 | 80m | -7 / -1 | DL9KM | -9 / -8 | 7 | ✓ Full exchange observed |
| 09-17 20:32 | 80m | -8 / +3 | DO1RWM | -14 / -13 | 8 | ✓ Full exchange observed |
| 09-17 20:32 | 80m | -4 / -1 | F1PBZ | +2 / -3 | 12 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 204745 +17 1450 M0DDT US2YW KN28 205015 +12 1449 M0DDT SP6FME JO90 205145 +3 1869 M0DDT US2YW R-10 205200 -11 1450 US2YW M0DDT -15 205215 +6 1869 M0DDT US2YW R-10 205230 -12 1450 US2YW M0DDT -15 205245 +7 1869 M0DDT US2YW R-10 205300 -8 1450 US2YW M0DDT RR73 205315 +11 1869 M0DDT US2YW 73 205345 +7 2447 M0DDT UR4QWW KN77 (x6)
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