JF3UKJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JF3UKJ operating from Japan. 15 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 6 days, best SNR +0 dB. Heard between 2026-05-09 and 2026-06-28.

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

Overview

Total spots

CQ calls

Days active

-10 dB

Avg SNR

Bands

20m 40m

First seen: 2026-05-09
Last seen: 2026-06-28 13:19 UTC

Frequent QSO partners observed at SO8OO

Stations JF3UKJ worked most often, as logged from our receiver:

RK6OZ · European Russia R5BS · European Russia JR6YAA · Japan BG5FQV · China RA9YJU · Asiatic Russia BI1NDP · China

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JF3UKJ	Partner	Partner SNR	Msgs
06-28 15:19	20m	-8 / -	RK6OZ	- / -17	2	✓ Confirmed
06-07 14:21	20m	-10 / -	BH4FTI	- / -5	3	Partial
05-09 18:31	40m	-1 / -	R5BS	- / -16	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
142130  -9  392  JF3UKJ BH4FTI -05 (x3)
104415 -16 1934  JF3UKJ RA9YJU RR73
134800 -14 1897  JF3UKJ R0ADK -17
150545 -11  326  JF3UKJ BG5FQV RR73
151945 -10 1571  JF3UKJ 8B25CMH -08
152730 -13 2579  JF3UKJ BI1NDP RR73
154130 -19 2441  JF3UKJ JR6YAA RR73
145600 -20 2139  JF3UKJ RR73; J40GAY <...> -14
151915  -5 2577  JF3UKJ RK6OZ -17 (x2)

40m

UTC    dB  Freq  Message
183100  -2 2963  JF3UKJ R5BS -16 (x2)
184430  -3  545  JF3UKJ <...> -11