JA1DDD — FT8 station from Japan

Japan Grid: JN19

Amateur radio station JA1DDD operating from Japan (grid square JN19). 91 FT8 spots received at SO8OO WebSDR, active on 160m, 20m, over 16 days, best SNR +22 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

91
Total spots
0
CQ calls
16
Days active
+1 dB
Avg SNR

Bands

20m 160m
First seen: 2026-04-21
Last seen: 2026-06-09 15:04 UTC

Frequent QSO partners observed at SO8OO

Stations JA1DDD worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA1DDDPartnerPartner SNRMsgs
06-09 17:03 20m -4 / - F4BYA - / - 3 Partial
06-08 17:39 20m +1 / - RV6AVU - / -16 2 Partial
06-08 16:48 20m +20 / - IZ2CPP - / -22 4 Partial
06-08 16:42 20m -4 / - F4FLF - / -24 6 ✓ Confirmed
06-07 17:59 20m +3 / - RA3FH - / -9 2 ✓ Confirmed
06-07 17:39 20m +8 / - DK1MCS - / -21 4 ✓ Confirmed
06-07 16:56 20m +11 / - SV2AJX - / -19 4 ✓ Confirmed
05-23 19:51 160m 0 / - SP7NC - / - 3 Partial
05-07 20:08 20m +6 / - F5HNQ - / -15 2 Partial
05-06 17:32 20m +4 / - EA1CQ - / - 2 Partial
05-06 17:10 20m +2 / - R6DJR - / -19 3 Partial
05-04 16:27 20m +4 / - B3CRA - / - 2 Partial
05-03 22:19 20m -16 / - DL3MIB - / -16 4 ✓ Confirmed
05-02 15:57 20m +12 / - UF4S - / -14 2 ✓ Confirmed
05-02 15:42 20m -15 / - R0SDM - / - 2 Partial
05-02 15:06 20m +11 / - UA4CCH - / -17 4 ✓ Confirmed
04-29 20:19 20m +6 / - IT9MRM - / -21 4 ✓ Confirmed
04-27 17:38 20m -12 / - IZ4OUL - / - 2 Partial
04-27 16:51 20m +6 / - E75AA - / -12 2 ✓ Confirmed
04-27 16:17 20m +2 / - R3RAF - / - 2 ✓ Confirmed
04-27 15:19 20m -6 / - F4BYA - / - 2 Partial
04-27 15:15 20m -8 / - F4BYA - / - 2 Partial
04-27 15:06 20m +5 / - F4BYA - / - 5 Partial
04-26 16:03 20m +2 / - ON6AA - / -19 3 ✓ Confirmed
04-25 17:07 20m -7 / - RA9J - / -3 3 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
164215  -2 2916  JA1DDD F4FLF JN18 (x6)
164815 +22 2915  JA1DDD IZ2CPP JN45 (x4)
173915  +1 2915  JA1DDD RV6AVU KN94 (x2)
170315  -6 3014  JA1DDD F4BYA JN19 (x3)
160m 
UTC    dB  Freq  Message
195145  +0  635  JA1DDD SP7NC JO91 (x3)

SNR History by Band