JA4WUA — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA4WUA operating from Japan. 10 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 4 days, best SNR +11 dB. Heard between 2026-04-23 and 2026-05-14.

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

Overview

Total spots

CQ calls

Days active

-1 dB

Avg SNR

Bands

40m 20m

First seen: 2026-04-23
Last seen: 2026-05-14 17:28 UTC

Frequent QSO partners observed at SO8OO

Stations JA4WUA worked most often, as logged from our receiver:

LA6YEA · Norway WK2M · United States

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JA4WUA	Partner	Partner SNR	Msgs
05-14 19:03	40m	+8 / -	LY7M	- / -1	2	Partial
05-11 22:51	20m	- / -	SV5BYP	-20 / -	2	Partial
05-07 10:13	20m	-18 / -	WK2M	- / -1	2	✓ Confirmed
04-23 11:55	20m	+7 / -	R7DX	- / -22	2	Partial

Station Log

40m

UTC    dB  Freq  Message
174745  -2 2104  JA4WUA RM3ZK -07
185200  +0 2112  JA4WUA LY7M KO25 (x3)
192845  -6 1130  JA4WUA EA7ST -14

20m

UTC    dB  Freq  Message
115530  +9 1645  JA4WUA R7DX KN84 (x2)
125030  +9 2222  JA4WUA LA6YEA RR73
101330 -20 1918  JA4WUA WK2M -01 (x2)
225100 -22 1343  SV5BYP JA4WUA PM54 (x2)