JA3KWJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA3KWJ operating from Japan. 30 FT8 spots received at SO8OO WebSDR, active on 80m, 20m, 10m, over 12 days, best SNR +11 dB. Heard between 2026-04-21 and 2026-06-09.

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

Overview

30
Total spots
0
CQ calls
12
Days active
-2 dB
Avg SNR

Bands

80m 20m 10m
First seen: 2026-04-21
Last seen: 2026-06-09 21:01 UTC

Frequent QSO partners observed at SO8OO

Stations JA3KWJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA3KWJPartnerPartner SNRMsgs
06-07 20:32 20m +4 / - YU1NTP - / -19 6 Partial
05-25 11:25 20m -16 / - VE3VEE - / -2 2 Partial
05-15 23:33 20m -4 / - 7Z1EP - / -16 4 ✓ Confirmed
05-07 23:11 20m -12 / - 9K2MP - / -4 2 ✓ Confirmed
05-07 21:47 20m -3 / - A41DL - / -18 2 ✓ Confirmed
05-04 20:04 80m +2 / - 4L3YL - / - 3 Partial
04-22 21:32 20m -6 / - TL8GD - / -15 2 ✓ Confirmed
04-21 22:37 20m +5 / - TL8GD - / -6 2 Partial
04-21 19:50 80m +11 / - 4L3YL - / - 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
201045  +3 2558  JA3KWJ TF4M -15
214415 -13  755  OE3UKW JA3KWJ R-13
233315  -1 1679  JA3KWJ 7Z1EP -16 (x4)
112530 -17 2205  JA3KWJ VE3VEE -02 (x2)
203245  +0  939  JA3KWJ YU1NTP -19 (x6)
230130 -11 1611  JA3KWJ II9RICT -18
80m 
UTC    dB  Freq  Message
195045 +11 2870  JA3KWJ 4L3YL LN21 (x5)
10m 
UTC    dB  Freq  Message
075600 -10 2094  JA3KWJ BG7JYZ RR73

SNR History by Band