JH4GJR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM64

Receiver-side FT8 activity involving JH4GJR, decoded by SO8OO in southeastern Poland. 15 related FT8 messages, observed on 40m, 20m, across 4 UTC dates. Heard between 2026-06-11 and 2026-08-16.

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

15
Related messages
0
CQ messages
4
UTC dates heard
-4 dB
Mean decoder S/N

Bands

40m 20m
First seen: 2026-06-11
Last seen: 2026-08-16 18:53 UTC

Frequent QSO partners observed at SO8OO

Stations JH4GJR worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by JH4GJR

Approximate centre of PM64, decoded 2026-08-17 17:57 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 UTCBandJH4GJR S/NCounterpartCounterpart S/NMsgsCapture
08-17 17:57 20m -12 / - 9J2FI - / - 2 ✓ Closing fragment
08-16 20:52 40m - / - UT3RO -9 / - 3 Partial capture
08-16 20:52 40m - / -12 UT6HN +6 / - 2 ✓ Closing fragment
07-07 13:52 20m - / - IU5RDF -14 / - 3 Partial capture
07-07 13:48 20m - / - LZ2VQ -7 / - 2 Partial capture
06-18 21:54 20m -2 / - YO4NF - / -12 2 ✓ Closing fragment
06-18 21:53 20m -4 / - OM0RX - / -8 2 ✓ Closing fragment
06-18 21:52 20m -3 / - OE3UKW - / -15 2 ✓ Closing fragment
06-18 21:50 20m -3 / -12 EA7ALL +14 / - 3 ✓ Closing observed
06-18 21:48 20m -4 / - BD7KWU - / -12 2 ✓ Closing fragment
06-18 21:47 20m -6 / - BG5BNW - / -12 2 ✓ Closing fragment
06-18 21:45 20m -8 / - BG2FYO -3 / -9 3 ✓ Closing observed
06-18 16:09 20m -14 / - VB7F - / -24 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
215115 +14  827  JH4GJR EA7ALL RR73
215200  -4  827  OE3UKW JH4GJR R-15 (x2)
215300  -1  827  OM0RX JH4GJR -08 (x2)
215345  -2 1509  JH4GJR G5GMN IO93
215400  -3  827  YO4NF JH4GJR R-12 (x2)
134845  -9  308  JH4GJR LZ2VQ KN23 (x2)
135215 -18 1038  JH4GJR IU5RDF JN44 (x3)
175715 -13  275  9J2FI JH4GJR PM64 (x2)
40m 
UTC    dB Audio  Message
221530 -16  797  JH4GJR 9X5KM -09
205230 -13 2125  JH4GJR UT3RO KO60
205230  +4 2655  JH4GJR UT6HN -12 (x2)
205300 -10 2125  JH4GJR UT3RO KO60 (x2)

Decoder S/N history by band

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