JO4FER — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JO4FER, decoded by SO8OO in southeastern Poland. 23 related FT8 messages, observed on 20m, across 6 UTC dates. Heard between 2026-06-06 and 2026-08-21.

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

23
Related messages
0
CQ messages
6
UTC dates heard
-6 dB
Mean decoder S/N

Bands

20m
First seen: 2026-06-06
Last seen: 2026-08-21 13:41 UTC

Frequent QSO partners observed at SO8OO

Stations JO4FER 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 UTCBandJO4FER S/NCounterpartCounterpart S/NMsgsCapture
08-21 15:30 20m - / -13 ON4AOI +8 / - 2 ✓ Closing fragment
07-31 17:02 20m - / -12 UN0GY -11 / - 3 ✓ Closing fragment
07-31 16:53 20m - / -19 R6DJR -12 / - 3 ✓ Closing fragment
07-31 16:48 20m - / - RA3FH -8 / - 2 ✓ Closing fragment
07-31 16:36 20m - / -18 R6SS -12 / - 2 Partial capture
07-05 13:46 20m - / -15 UA3ZQN -7 / - 3 ✓ Closing fragment
06-17 14:41 20m - / -21 4X1UF -7 / - 3 ✓ Closing fragment
06-06 16:53 20m - / -14 YO4NF +6 / - 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
134630  -6 2712  JO4FER UA3ZQN -15 (x2)
163600 -11  587  JO4FER R6SS -18 (x2)
164800 -10  526  JO4FER RA3FH KO84 (x2)
165330 -14 2512  JO4FER R6DJR -19 (x3)
170245 -11 2616  JO4FER UN0GY -12 (x3)
153045 +10  745  JO4FER ON4AOI -13 (x2)
154130 -11 2038  JO4FER BG7BVI -12

Decoder S/N history by band

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