JK8SBF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JK8SBF, decoded by SO8OO in southeastern Poland. 13 related FT8 messages, observed on 20m, across 6 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

13
Related messages
0
CQ messages
6
UTC dates heard
-3 dB
Mean decoder S/N

Bands

20m
First seen: 2026-06-02
Last seen: 2026-08-21 15:05 UTC

Frequent QSO partners observed at SO8OO

Stations JK8SBF 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 UTCBandJK8SBF S/NCounterpartCounterpart S/NMsgsCapture
08-21 17:03 20m - / -9 YO9HP -5 / - 2 ✓ Closing fragment
08-21 17:02 20m - / -16 MI9PBM -2 / - 2 ✓ Closing fragment
08-06 22:44 20m - / -14 7X5CY -2 / - 2 ✓ Closing fragment
07-29 21:47 20m - / -15 TN8GD -10 / - 2 ✓ Closing fragment
06-25 16:51 20m - / -16 YO4NF +14 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

20m
UTC    dB Audio  Message
221115  -7  905  JK8SBF UB6D -20
223115  -8 1738  JK8SBF JY5IB R-17
165100 +15 3026  JK8SBF YO4NF -16 (x2)
214730 -10  857  JK8SBF TN8GD -15 (x2)
224430  -3  537  JK8SBF 7X5CY -14 (x2)
170215  -2  839  JK8SBF MI9PBM -16 (x2)
170315  -4 1021  JK8SBF YO9HP -09 (x2)
170515 -17  771  JK8SBF PA3KUS 73

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.