ON3MV — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON3MV, decoded by SO8OO in southeastern Poland. 303 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 20 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-18.
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 303 FT8 messages attributed to ON3MV as the transmitting token by decoded message structure across 20 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (85%), followed by 10 m (13%) and 40 m (1%). The busiest six-hour window was 05:00-11:00 UTC, containing 43% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -16.8 dB.
Overview
Bands
Last attributed message: 2026-09-18 21:48 UTC
Observed FT8 message patterns
- Attributed sample
- 303 messages
- Active dates
- 20 UTC dates
- Estimated median S/N
- -16.8 dB
- Estimated 10th-90th percentile
- -22 to -6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 171, moderate (-15 to -9 dB) 73, strong (≥ -8 dB) 59.
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 ON3MV 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 ON3MV
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
- JO21 · 252 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,192 km (approx.)
- Last such locator decoded
- 2026-09-18 21:47 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 | ON3MV S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-18 21:48 | 80m | +9 / -1 | DD8BA | -13 / - | 3 | ✓ Full exchange observed |
| 09-18 20:51 | 40m | -1 / - | PD9HIX | - / - | 3 | Partial capture |
| 08-22 06:05 | 20m | -10 / - | AA4SS | - / -17 | 10 | Partial capture |
| 08-22 05:37 | 20m | -1 / - | K9MM | - / - | 2 | Partial capture |
| 08-22 05:33 | 20m | -5 / - | AA4UC | - / - | 4 | Partial capture |
| 08-22 05:32 | 20m | +1 / - | K7BWC | - / - | 3 | Partial capture |
| 08-22 05:26 | 20m | -6 / - | AA4DD | - / - | 2 | Partial capture |
| 08-22 05:09 | 20m | -8 / - | WS7M | - / - | 2 | Partial capture |
| 08-21 20:01 | 10m | -19 / - | YO3GNF | - / - | 2 | Partial capture |
| 08-21 13:25 | 10m | -18 / - | YB1KXV | - / - | 2 | Partial capture |
| 08-21 13:19 | 10m | -20 / - | YE9BJM | - / - | 4 | Partial capture |
| 08-21 09:02 | 20m | -14 / - | NL8F | - / - | 9 | Partial capture |
| 08-20 19:39 | 20m | -9 / - | KR4IJC | - / - | 3 | Partial capture |
| 08-20 15:46 | 20m | -9 / - | NM1G | - / - | 7 | Partial capture |
| 08-20 14:56 | 20m | -8 / - | K2ZJ | - / - | 8 | Partial capture |
| 08-20 14:53 | 20m | -8 / - | XU7O | - / - | 4 | Partial capture |
| 08-20 14:41 | 20m | -12 / - | NM1G | - / - | 6 | Partial capture |
| 08-20 14:34 | 20m | -13 / - | K2RKJ | - / - | 7 | Partial capture |
| 08-20 14:07 | 20m | +3 / +4 | MM0TBH | -2 / -4 | 2 | Partial capture |
| 08-17 13:13 | 20m | -19 / - | AA1K | - / - | 6 | Partial capture |
| 08-17 13:06 | 20m | -23 / - | VE1WT | - / -13 | 3 | Partial capture |
| 08-17 08:43 | 20m | -11 / - | MM0KQC | - / +8 | 5 | ✓ Closing fragment |
| 08-17 08:41 | 20m | -20 / - | MW3FLI | - / 0 | 2 | ✓ Closing fragment |
| 08-17 08:15 | 20m | - / - | UA1WA | -17 / - | 2 | Partial capture |
| 08-17 08:12 | 20m | -21 / - | V31MA | - / - | 2 | Partial capture |
| 08-17 08:04 | 20m | -19 / - | W0CAS | - / - | 5 | Partial capture |
| 08-12 19:20 | 20m | -19 / - | WV2B | - / - | 3 | Partial capture |
| 08-12 19:16 | 20m | -19 / - | WV2B | - / - | 4 | Partial capture |
| 08-12 19:14 | 20m | -17 / - | K2SAB | - / -11 | 4 | ✓ Closing fragment |
| 08-12 19:11 | 20m | -18 / - | W7WMB | - / - | 2 | Partial capture |
| 08-12 19:07 | 20m | -17 / - | W7WMB | - / - | 2 | Partial capture |
| 08-08 07:22 | 20m | -10 / - | KJ5PTH | - / - | 4 | Partial capture |
| 08-08 07:18 | 20m | -7 / - | HI8UD | - / - | 5 | Partial capture |
| 08-07 19:55 | 20m | -17 / - | KD3AZS | - / - | 2 | Partial capture |
| 08-07 09:46 | 20m | -20 / - | KC1ZED | - / - | 2 | Partial capture |
| 08-07 09:29 | 20m | -18 / - | VE2OPC | - / - | 2 | Partial capture |
| 08-07 09:27 | 20m | - / -7 | CT3MD | -8 / - | 2 | ✓ Closing fragment |
| 08-07 06:37 | 20m | -22 / - | N9AGC | - / - | 2 | Partial capture |
| 08-07 06:30 | 20m | -24 / - | N5CH | - / - | 2 | Partial capture |
| 07-31 20:58 | 20m | - / - | IU5HIU | -4 / - | 6 | Partial capture |
| 07-31 10:25 | 20m | -12 / - | VE2YTQ | - / - | 6 | Partial capture |
| 07-31 10:19 | 20m | -12 / - | KC1MMC | - / -12 | 6 | ✓ Closing fragment |
| 07-31 07:25 | 20m | -22 / - | N5CH | - / -20 | 2 | ✓ Closing fragment |
| 07-31 07:15 | 20m | -20 / - | KD2QPU | - / - | 2 | Partial capture |
| 07-31 07:03 | 20m | -18 / - | K4YJ | - / - | 5 | Partial capture |
| 07-31 06:29 | 20m | -8 / - | K4YJ | - / - | 11 | Partial capture |
| 07-30 15:51 | 20m | -21 / -10 | M1DDD/P | -8 / -10 | 3 | ✓ Full exchange observed |
| 07-30 15:37 | 20m | -21 / -1 | MW7KFZ | -9 / -1 | 2 | Partial capture |
| 07-25 22:38 | 20m | -23 / - | K9STL | - / - | 2 | Partial capture |
| 07-25 22:24 | 20m | -23 / - | KB4EXI | - / -14 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 214645 +3 410 DK4RH ON3MV JO21 214745 +3 411 CQ ON3MV JO21 214815 +9 410 DD8BA ON3MV +17 214830 -9 1346 ON3MV DD8BA R-01 (x2)
UTC dB Audio Message 205130 -5 448 PD9HIX ON3MV JO21 (x3) 210045 +5 447 LA7NO ON3MV JO21
UTC dB Audio Message 053545 +2 1985 AA4UC ON3MV JO21 (x3) 053715 +0 1985 K9MM ON3MV JO21 (x2) 060530 -19 1987 AA4SS ON3MV JO21 (x10)
UTC dB Audio Message 192915 -16 2002 PP2BO ON3MV JO21 (x2) 193045 -22 2003 CA3SQH ON3MV JO21 131945 -20 2000 YE9BJM ON3MV JO21 (x4) 132315 -19 2000 YC2OEI ON3MV JO21 132445 -15 1999 DN9JGL ON3MV JO21 132545 -18 2000 YB1KXV ON3MV JO21 (x2) 200115 -22 1999 YO3GNF ON3MV JO21 (x2) 200615 -21 1999 PD9MK ON3MV R-19 200715 -17 2000 US2YW ON3MV +09
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.
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