7M4RRM — FT8 station from Japan

Japan Grid: ?

Amateur radio station 7M4RRM operating from Japan. 28 FT8 spots received at SO8OO WebSDR, active on 20m, over 4 days, best SNR +19 dB. Heard between 2026-05-07 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

20m

First seen: 2026-05-07
Last seen: 2026-05-13 21:37 UTC

Frequent QSO partners observed at SO8OO

Stations 7M4RRM worked most often, as logged from our receiver:

9V1YC · Singapore LA3BO · Norway E75AA · Bosnia-Herzegovina IU0TPA · Italy

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	7M4RRM	Partner	Partner SNR	Msgs
05-13 23:37	20m	-4 / -	9V1YC	- / -10	2	✓ Confirmed
05-12 19:02	20m	-10 / -	R4FDW	- / -14	6	Partial
05-12 18:55	20m	-5 / -	EA5XA	- / -18	9	Partial
05-12 18:48	20m	+18 / -	LA3BO	- / -14	2	✓ Confirmed
05-12 18:41	20m	-6 / -	DF2KK	- / -	3	Partial
05-12 18:41	20m	-2 / -	R6FMF	- / -14	2	Partial
05-11 21:26	20m	-8 / -	IU0TPA	- / -24	3	✓ Confirmed
05-07 23:14	20m	+8 / -	E75AA	- / -14	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
185645  -4 2442  7M4RRM EA5XA IM98 (x7)
190215 -16 1228  7M4RRM R4FDW LO23 (x6)
233730  -5  538  7M4RRM 9V1YC R-10 (x2)