JR4EFA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JR4EFA, decoded by SO8OO in southeastern Poland. 10 related FT8 messages, observed on 40m, 20m, 10m, across 7 UTC dates. Heard between 2026-05-27 and 2026-08-23.
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 JR4EFA 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 | JR4EFA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-18 20:05 | 40m | - / -18 | RV3V | -12 / - | 2 | ✓ Closing fragment |
| 07-02 11:23 | 10m | - / -5 | 7Q9BK | -20 / - | 2 | ✓ Closing fragment |
| 05-27 11:39 | 10m | - / -10 | 9J2FI | +8 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 204730 -6 1933 JR4EFA A60PC/14 -09 111615 -9 427 JR4EFA WK2M RR73 223745 +4 865 JR4EFA 4Z5PG -17
UTC dB Audio Message 200500 -11 525 JR4EFA RV3V -18 (x2)
UTC dB Audio Message 113915 +7 2832 JR4EFA 9J2FI -10 (x2) 103545 -16 1543 JR4EFA VU2ADV -03 112330 -21 1842 JR4EFA 7Q9BK -05 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.