JH3OWW — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH3OWW operating from Japan. 45 FT8 spots received at SO8OO WebSDR, active on 20m, over 4 days, best SNR +20 dB. Heard between 2026-04-22 and 2026-05-13.

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

Overview

45
Total spots
0
CQ calls
4
Days active
+3 dB
Avg SNR

Bands

20m
First seen: 2026-04-22
Last seen: 2026-05-13 17:12 UTC

Frequent QSO partners observed at SO8OO

Stations JH3OWW worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH3OWWPartnerPartner SNRMsgs
05-12 18:49 20m -5 / - OH6IH - / -9 2 ✓ Confirmed
05-12 18:45 20m +17 / - LA3BO - / -11 2 ✓ Confirmed
05-12 18:42 20m +8 / - PD0PHA - / -12 5 ✓ Confirmed
05-12 18:41 20m +5 / - PD0JOY - / -20 4 ✓ Confirmed
05-12 18:37 20m +1 / - EA5W - / -19 2 ✓ Confirmed
05-12 18:28 20m - / - IW2GQW -10 / - 2 Partial
05-12 18:27 20m - / - SV9TLU -18 / - 2 Partial
05-12 18:18 20m - / - SP6TT -14 / - 2 Partial
05-08 19:06 20m -6 / - IZ0HDB - / - 3 Partial
05-08 19:04 20m -6 / - JY5IB - / -13 2 Partial
05-08 18:32 20m +4 / - 4L3YL - / -7 2 ✓ Confirmed
05-08 18:31 20m +2 / - IZ8PPI - / -21 4 Partial
05-08 18:26 20m - / - YT2ZE -17 / - 3 Partial
05-08 18:24 20m +7 / -10 SV1EAG -14 / -14 8 ✓ Complete
05-08 18:17 20m +12 / - IW4DNI - / -15 6 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
184300  +8  634  JH3OWW PD0JOY R-20
184300  +8 2968  JH3OWW PD0PHA JO32 (x2)
184330  +8  634  JH3OWW PD0JOY 73
184400 +10 2981  JH3OWW PD0PHA R-12 (x2)
184545 +14 2681  JH3OWW LA3BO -11 (x2)
184800 -13  878  SP3BVI JH3OWW +02
184915  -3 1733  JH3OWW OH6IH -09 (x2)
185045  +1  878  JH3OWW PD3LKN JO22
185115  -6 2510  JH3OWW OS4K -10
185345 -17  879  PD5MVH JH3OWW PM74
191245 -12 2886  JH3OWW DJ1KW RR73

SNR History by Band