JA7MWC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA7MWC, decoded by SO8OO in southeastern Poland. 18 related FT8 messages, observed on 20m, across 5 UTC dates. Heard between 2026-06-09 and 2026-08-23.

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

18
Related messages
0
CQ messages
5
UTC dates heard
-3 dB
Mean decoder S/N

Bands

20m
First seen: 2026-06-09
Last seen: 2026-08-23 19:38 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 UTCBandJA7MWC S/NCounterpartCounterpart S/NMsgsCapture
08-23 21:36 20m - / -19 EA5JLN -1 / - 4 ✓ Closing fragment
08-23 21:28 20m - / -15 SV5BYP -8 / - 2 ✓ Closing fragment
08-23 21:25 20m - / -13 EC3A +3 / - 2 ✓ Closing fragment
08-19 22:19 20m - / -13 T77RN 0 / - 2 ✓ Closing fragment
08-04 09:11 20m - / -7 HB9ACA -2 / - 2 ✓ Closing fragment
08-04 08:29 20m - / -18 DL3MIB -6 / - 2 ✓ Closing fragment
06-09 08:56 20m - / - RI0SP 0 / - 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
082930  -7 1107  JA7MWC DL3MIB RR73
091100  +0 1121  JA7MWC HB9ACA -07 (x2)
092615  -5 2020  JA7MWC F6EQZ RR73
215845 -11 2429  JA7MWC F5NBQ -15
221930  -6  435  JA7MWC T77RN -13 (x2)
212515  +4  587  JA7MWC EC3A -13 (x2)
212845  -8 1912  JA7MWC SV5BYP -15 (x2)
213645  +0 1673  JA7MWC EA5JLN -19 (x4)

Decoder S/N history by band

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