JR5MJR — FT8 station from Japan

Japan Grid: ?

Amateur radio station JR5MJR operating from Japan. 25 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 7 days, best SNR +17 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

Total spots

CQ calls

Days active

+4 dB

Avg SNR

Bands

40m 20m

First seen: 2026-04-22
Last seen: 2026-05-13 14:46 UTC

Frequent QSO partners observed at SO8OO

Stations JR5MJR worked most often, as logged from our receiver:

BX4AQ · Taiwan LU1FIV · Argentina YO7LMU · Romania UR6QA · Ukraine PI4DX · Netherlands UN7DT · Kazakhstan

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JR5MJR	Partner	Partner SNR	Msgs
05-09 19:08	20m	+17 / -	PI4DX	- / -17	2	✓ Confirmed
05-08 19:36	20m	+14 / -	4L3YL	- / -	2	Partial
05-08 19:08	20m	+9 / -	4L3YL	- / -	3	Partial
05-08 19:02	20m	+11 / -	4L3YL	- / -	2	Partial
05-05 21:02	20m	+1 / -	EA8UP	- / -24	5	Partial
05-03 18:29	40m	+5 / -	UR6QA	- / +3	3	✓ Confirmed
04-24 13:18	20m	0 / -	UN7DT	- / -8	2	✓ Confirmed
04-22 16:11	20m	-4 / -	BX4AQ	- / -7	2	✓ Confirmed

Station Log

40m

UTC    dB  Freq  Message
182945  +8  655  JR5MJR UR6QA KN77 (x3)
164600 -24 2175  JR5MJR UN8DSW -14

20m

UTC    dB  Freq  Message
210300  +1  806  JR5MJR EA8UP -24 (x4)
182315 -15 2488  JR5MJR YO7LMU RR73
190200 +12 2906  JR5MJR 4L3YL LN21 (x7)
190845 +17 2043  JR5MJR PI4DX -17 (x2)
200845 +12  691  JR5MJR SX20RCK -11