JM1SZY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JM1SZY, decoded by SO8OO in southeastern Poland. 34 related FT8 messages, observed on 20m, across 7 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

34
Related messages
0
CQ messages
7
UTC dates heard
-5 dB
Mean decoder S/N

Bands

20m
First seen: 2026-05-24
Last seen: 2026-08-22 02:42 UTC

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 UTCBandJM1SZY S/NCounterpartCounterpart S/NMsgsCapture
08-15 15:35 20m - / - IU3BTF -19 / - 7 Partial capture
08-15 15:18 20m - / - YO9IJP -11 / - 2 ✓ Closing fragment
08-15 15:16 20m - / -6 F8FUA +14 / - 3 ✓ Closing fragment
08-15 15:14 20m - / -5 F1DJY +5 / - 3 ✓ Closing fragment
08-15 15:07 20m - / -6 ON4IQ +8 / - 3 ✓ Closing fragment
08-15 14:59 20m - / -15 F1DJY +2 / - 4 Partial capture
08-14 15:42 20m - / -13 EG2FPA +4 / - 2 ✓ Closing fragment
08-03 11:52 20m - / -8 UI7N -11 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
151500  -1 2037  JM1SZY F1DJY RR73
151615 +12 2484  JM1SZY F8FUA R-06 (x3)
151845 -10 2073  JM1SZY YO9IJP KN34 (x2)
153545 -19 1769  JM1SZY IU3BTF JN65 (x7)
134945  -9 3140  JM1SZY DL8MKG R-08
044245 -21 1330  JM1SZY WB8SCG FM16

Decoder S/N history by band

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