JR4HFY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JR4HFY, decoded by SO8OO in southeastern Poland. 8 related FT8 messages, observed on 20m, 10m, across 5 UTC dates. Heard between 2026-06-28 and 2026-08-06.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

8
Related messages
0
CQ messages
5
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-06-28
Last seen: 2026-08-06 23:48 UTC

Frequent QSO partners observed at SO8OO

Stations JR4HFY 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 UTCBandJR4HFY S/NCounterpartCounterpart S/NMsgsCapture
08-07 01:48 20m - / -24 CT3MD -12 / - 2 ✓ Closing fragment
06-29 01:22 20m - / -16 UP7WWA -14 / - 2 ✓ Closing fragment
06-28 08:58 10m - / 0 A60PC/5 -17 / - 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
012200 -13 2488  JR4HFY UP7WWA -16 (x2)
224930 +14 2891  JR4HFY <...> R-15
164100  -5  327  JR4HFY RA3ZH KO81
014815 -11  927  JR4HFY CT3MD -24 (x2)
10m
UTC    dB Audio  Message
085845 -18 1142  JR4HFY A60PC/5 +00 (x2)

Decoder S/N history by band

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