JA4IIJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA4IIJ operating from Japan. 28 FT8 spots received at SO8OO WebSDR, active on 20m, over 11 days, best SNR +10 dB. Heard between 2026-04-26 and 2026-06-28.

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

Overview

28
Total spots
0
CQ calls
11
Days active
-4 dB
Avg SNR

Bands

20m
First seen: 2026-04-26
Last seen: 2026-06-28 11:30 UTC

Frequent QSO partners observed at SO8OO

Stations JA4IIJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA4IIJPartnerPartner SNRMsgs
06-22 22:06 20m +2 / - EA8UP - / -22 2 ✓ Confirmed
06-16 22:47 20m -2 / - UN0GY - / -1 3 ✓ Confirmed
06-08 22:21 20m -9 / - 7Z1IS - / -17 2 ✓ Confirmed
06-02 22:52 20m -14 / - BG3GEF - / +2 3 ✓ Confirmed
05-26 22:44 20m -5 / - BI7NTP - / - 2 ✓ Confirmed
05-14 12:12 20m +2 / - UN0GY - / -14 4 Partial
05-01 23:30 20m +6 / - <...> - / -9 4 Partial
04-26 03:15 20m -4 / - RA9CIN - / -18 5 Partial

Station Log

20m
UTC    dB  Freq  Message
121345  +1 2632  JA4IIJ UN0GY R-14
224400  -6 2576  JA4IIJ BI7NTP RRR (x2)
225200 -14  780  JA4IIJ BG3GEF R+02 (x3)
222115  -8 2112  JA4IIJ 7Z1IS R-17 (x2)
210630  -5 1933  JA4IIJ A60PC/14 R-09
224745  +1 2806  JA4IIJ UN0GY -01 (x3)
220630  +2 1763  JA4IIJ EA8UP R-22 (x2)
133030 -14 1222  JA4IIJ RA0ADQ 73

SNR History by Band