JA3ADW — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA3ADW operating from Japan. 35 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 7 days, best SNR +12 dB. Heard between 2026-04-26 and 2026-06-12.

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

Overview

35
Total spots
0
CQ calls
7
Days active
-3 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-26
Last seen: 2026-06-12 19:14 UTC

Frequent QSO partners observed at SO8OO

Stations JA3ADW worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA3ADWPartnerPartner SNRMsgs
06-12 21:13 20m +1 / -17 EA3AVS -16 / -17 4 Partial
06-12 21:08 20m -5 / - EA3JHT - / - 8 ✓ Confirmed
06-12 21:07 20m +7 / - DL2MIJ - / -14 3 ✓ Confirmed
06-12 21:06 20m -10 / - G4DBW - / -18 2 ✓ Confirmed
06-11 08:22 10m -4 / - 9X5KM - / - 2 ✓ Confirmed
06-11 07:37 10m -12 / - 9X5KM - / -2 2 Partial
06-04 06:28 20m +3 / - P40AA - / -25 3 Partial
05-24 21:49 20m - / - TL8BNW -10 / - 5 Partial
05-19 20:24 20m -10 / - YM4KA - / -14 2 ✓ Confirmed
05-12 22:16 20m - / -6 SV2FNT -18 / - 2 ✓ Confirmed
04-30 13:57 20m +8 / - R7DX - / -18 2 ✓ Confirmed
04-26 09:24 20m -8 / - RW4HB - / - 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
210730  +7  980  JA3ADW DL2MIJ R-14 (x2)
210830  -3 1333  JA3ADW EA3JHT JN01 (x3)
211000  -2  722  JA3ADW IZ2DPX JN45
211000  -7 1333  JA3ADW EA3JHT JN01 (x5)
211330  +0 1727  JA3ADW EA3AVS -17 (x3)
211445 -16 1726  EA3AVS JA3ADW R-17
10m 
UTC    dB  Freq  Message
073700 -12  822  JA3ADW 9X5KM -02 (x4)

SNR History by Band