JH8RZJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH8RZJ operating from Japan. 29 FT8 spots received at SO8OO WebSDR, active on 80m, 20m, over 5 days, best SNR +20 dB. Heard between 2026-05-07 and 2026-06-12.

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

Overview

29
Total spots
0
CQ calls
5
Days active
+1 dB
Avg SNR

Bands

80m 20m
First seen: 2026-05-07
Last seen: 2026-06-12 21:37 UTC

Frequent QSO partners observed at SO8OO

Stations JH8RZJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH8RZJPartnerPartner SNRMsgs
06-12 23:35 20m -8 / - UA9CMN - / -15 3 ✓ Confirmed
06-06 20:53 20m +4 / - YO3EGE - / - 2 Partial
06-06 20:52 20m -20 / - RA4AAT -10 / -10 2 Partial
06-06 20:51 20m -6 / - IQ0VT - / -7 2 ✓ Confirmed
06-06 20:37 20m +7 / - LZ4VR - / - 2 Partial
06-06 20:37 20m +14 / - RA3ZH - / -10 4 ✓ Confirmed
06-06 20:34 20m +3 / -9 ON6AA -5 / - 3 Partial
06-06 20:34 20m +1 / - LA8ENA -5 / -16 6 ✓ Verified
06-06 20:32 20m - / -14 UA1OCF -14 / - 3 ✓ Confirmed
06-05 19:29 20m - / -13 BA7SAY -6 / - 2 Partial
06-05 19:27 20m - / -5 YO8RQP -12 / - 2 Partial
06-05 19:24 20m - / - SV2HTW -12 / - 2 ✓ Confirmed
06-04 22:18 20m -10 / - BI8SCC - / -16 2 ✓ Confirmed
05-12 22:13 20m +8 / -18 9H4JX -10 / -5 3 ✓ Complete
05-07 18:41 80m +2 / - SP7NC - / - 4 Partial

Station Log

20m 
UTC    dB  Freq  Message
203745 +10 1218  JH8RZJ LZ4VR KN13
203745 +14 2907  JH8RZJ RA3ZH KO81 (x2)
203815  +4 1218  JH8RZJ LZ4VR KN13
203845 +12 2907  JH8RZJ RA3ZH 73
204045  -5 2705  VU3OSA JH8RZJ R-20
205100  -8 1760  JH8RZJ IQ0VT -07 (x2)
205215 -10 2705  RA4AAT JH8RZJ QN03
205230 -20 1128  JH8RZJ RA4AAT -10
205330  +4 2705  JH8RZJ YO3EGE KN34 (x2)
233530  -6 2577  JH8RZJ UA9CMN -15 (x3)
80m 
UTC    dB  Freq  Message
184115  +0 1258  JH8RZJ SP7NC JO91 (x4)

SNR History by Band