JF1USM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JF1USM, decoded by SO8OO in southeastern Poland. 118 related FT8 messages, observed on 20m, across 28 UTC dates. Heard between 2026-06-02 and 2026-08-21.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations JF1USM worked most often, as logged from our receiver:
Activity Heatmap
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 | JF1USM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 19:16 | 20m | - / -13 | DL2RH | +10 / - | 2 | ✓ Closing fragment |
| 08-21 18:59 | 20m | - / -16 | DA1VID | +4 / - | 4 | ✓ Closing fragment |
| 08-21 18:52 | 20m | - / - | RV6HEG | -2 / - | 2 | Partial capture |
| 08-21 18:49 | 20m | - / -16 | PA1MVL | +8 / - | 5 | ✓ Closing fragment |
| 08-20 19:02 | 20m | - / -17 | ON4IQ | +18 / - | 2 | ✓ Closing fragment |
| 08-16 19:34 | 20m | - / -14 | DH5AZ | -2 / - | 4 | ✓ Closing fragment |
| 08-15 19:44 | 20m | - / -18 | M0BEW | +2 / - | 2 | ✓ Closing fragment |
| 08-05 20:13 | 20m | - / -16 | EA1B | -13 / - | 4 | Partial capture |
| 08-05 19:49 | 20m | - / - | F4HFS | -5 / - | 4 | Partial capture |
| 08-02 19:07 | 20m | - / -8 | R6DBT | -10 / - | 7 | ✓ Closing fragment |
| 07-29 20:34 | 20m | - / -18 | IW2DNI | -5 / - | 9 | ✓ Closing fragment |
| 07-18 21:01 | 20m | - / -17 | DF7EF | +16 / - | 3 | Partial capture |
| 07-07 18:38 | 20m | - / -13 | R7BI | +8 / - | 3 | ✓ Closing fragment |
| 07-06 17:08 | 20m | - / -17 | DL8HXP | -2 / - | 2 | ✓ Closing fragment |
| 07-05 17:36 | 20m | - / - | DK4UX | -10 / - | 2 | Partial capture |
| 07-02 19:32 | 20m | - / - | DL1R | -2 / - | 4 | Partial capture |
| 06-30 19:33 | 20m | - / -10 | IZ2ACM | -8 / - | 3 | ✓ Closing fragment |
| 06-28 19:16 | 20m | - / - | EA7ALL | +6 / - | 2 | Partial capture |
| 06-28 18:43 | 20m | - / -16 | IQ4JO | +8 / - | 3 | ✓ Closing fragment |
| 06-26 18:58 | 20m | - / -18 | F5PGA | +14 / - | 3 | ✓ Closing fragment |
| 06-23 19:16 | 20m | - / -21 | HB0/OI5AY | -9 / - | 2 | Partial capture |
| 06-20 17:06 | 20m | - / -16 | YO7CFD | +1 / - | 2 | Partial capture |
| 06-20 16:47 | 20m | - / -20 | ER3ZW | -11 / - | 2 | Partial capture |
| 06-19 17:59 | 20m | - / -11 | BA8BLK | -14 / - | 2 | Partial capture |
| 06-14 23:07 | 20m | - / -15 | HB9EFK | +4 / - | 2 | ✓ Closing fragment |
| 06-12 19:26 | 20m | - / -18 | E70A | +19 / - | 3 | ✓ Closing fragment |
| 06-07 19:07 | 20m | -11 / -16 | R4NDG | -1 / - | 4 | ✓ Closing observed |
| 06-07 19:01 | 20m | -8 / +5 | Z62NS | +10 / - | 4 | ✓ Closing observed |
| 06-04 19:11 | 20m | - / -15 | OK2BRV | +1 / - | 2 | ✓ Closing fragment |
| 06-04 19:10 | 20m | - / - | F6BIA | +12 / - | 2 | Partial capture |
| 06-04 19:07 | 20m | - / -10 | DK6XY | +6 / - | 5 | ✓ Closing fragment |
| 06-02 19:52 | 20m | -11 / - | <...> | - / -10 | 2 | Partial capture |
| 06-01 20:58 | 20m | -12 / - | IZ5WTV | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 191100 -1 951 JF1USM EA1AA IN83 184930 +8 2820 JF1USM PA1MVL JO22 (x5) 185200 -3 3029 JF1USM RV6HEG LN14 185400 -20 2039 JF1USM BG7BVI -18 185400 -1 3029 JF1USM RV6HEG LN14 185930 +2 727 JF1USM DA1VID JO31 (x4) 191630 +10 1151 JF1USM DL2RH -13 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.