JH4MJO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JH4MJO, decoded by SO8OO in southeastern Poland. 15 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 6 UTC dates. Heard between 2026-05-05 and 2026-07-30.

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
6
UTC dates heard
-3 dB
Mean decoder S/N

Bands

First seen: 2026-05-05
Last seen: 2026-07-30 19:02 UTC

Frequent QSO partners observed at SO8OO

Stations JH4MJO 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 UTCBandJH4MJO S/NCounterpartCounterpart S/NMsgsCapture
07-30 20:59 20m - / -21 EA2A +12 / - 3 ✓ Closing fragment
07-30 20:52 20m - / -1 TN8GD -1 / - 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
072330  -5  483  JH4MJO P40AA -16
072400  -6  483  JH4MJO RR73; OE4RGC <...> +00
205200  +0  544  JH4MJO TN8GD -01 (x2)
205945 +10  764  JH4MJO EA2A -21 (x3)
40m
UTC    dB Audio  Message
200530 -20 2141  JH4MJO A71UN -16
10m
UTC    dB Audio  Message
082630  -7  520  JH4MJO RR73; GM1DSK <...> -04

Decoder S/N history by band

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