JF4EQJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM65

Receiver-side FT8 activity involving JF4EQJ, decoded by SO8OO in southeastern Poland. 42 related FT8 messages, observed on 80m, 40m, 20m, across 11 UTC dates. Heard between 2026-05-15 and 2026-08-13.

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

42
Related messages
0
CQ messages
11
UTC dates heard
+0 dB
Mean decoder S/N

Bands

First seen: 2026-05-15
Last seen: 2026-08-13 18:25 UTC

Activity Heatmap

Locator transmitted by JF4EQJ

Approximate centre of PM65, decoded 2026-07-02 19:49 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandJF4EQJ S/NCounterpartCounterpart S/NMsgsCapture
08-10 20:00 80m - / -17 OH1MLZ +10 / - 2 ✓ Closing fragment
08-09 20:29 40m - / -18 IC8TEM -10 / - 2 ✓ Closing fragment
08-09 20:23 40m - / -19 ON5RZ 0 / - 4 ✓ Closing fragment
08-09 20:22 40m - / - LY1DY -4 / - 2 Partial capture
08-09 20:21 40m - / -9 OH0ERF -13 / - 2 ✓ Closing fragment
08-06 20:06 80m - / -16 Z62NS +5 / - 2 ✓ Closing fragment
07-21 20:21 20m -5 / - TU5MM - / -13 3 ✓ Closing fragment
07-21 20:12 20m - / - IU5HIU -13 / - 2 Partial capture
07-18 19:55 80m - / -21 OH5D -1 / - 3 ✓ Closing fragment
07-18 19:53 80m - / -17 PA4CC +11 / - 3 Partial capture
07-05 19:55 20m - / -10 Z61DX -12 / - 3 ✓ Closing fragment
07-02 19:48 80m -15 / - TN8GD - / - 2 Partial capture
06-09 20:05 40m - / - E71MK -3 / - 2 Partial capture
05-31 20:10 20m -4 / - R3AM - / -10 2 ✓ Closing fragment
05-31 20:08 20m -10 / - EP2AES - / -18 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
194845 -18 2817  TN8GD JF4EQJ PM65 (x2)
195345 +10  404  JF4EQJ PA4CC -17 (x3)
195545  -3 1937  JF4EQJ OH5D KP30 (x3)
200615  +5  914  JF4EQJ Z62NS -16 (x2)
200000 +12 2126  JF4EQJ OH1MLZ -17 (x2)
202500  -2 2168  JF4EQJ YL3BU KO26
40m
UTC    dB Audio  Message
200530  -7 1676  JF4EQJ E71MK JN93 (x2)
202100 -11 2495  JF4EQJ OH0ERF -09 (x2)
202230  -3 2864  JF4EQJ LY1DY KO14
202300  -1 2796  JF4EQJ ON5RZ JO21
202330  -6 2864  JF4EQJ LY1DY KO14
202330  +0 2796  JF4EQJ ON5RZ JO21 (x3)
202900 -10  379  JF4EQJ IC8TEM R-18 (x2)
20m
UTC    dB Audio  Message
200800 -11 3016  EP2AES JF4EQJ R-18 (x2)
201000  -5 3016  R3AM JF4EQJ R-10 (x2)
195545 -11  748  JF4EQJ Z61DX -10 (x3)
201215 -11 1884  JF4EQJ IU5HIU JN53 (x2)
202100  -3 3029  TU5MM JF4EQJ -13 (x3)

Decoder S/N history by band

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