JA6MUP — FT8 station from Japan

Japan Grid: KO70

Amateur radio station JA6MUP operating from Japan (grid square KO70). 19 FT8 spots received at SO8OO WebSDR, active on 20m, over 6 days, best SNR +12 dB. Heard between 2026-06-09 and 2026-06-25.

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

Overview

Total spots

CQ calls

Days active

-1 dB

Avg SNR

Bands

20m

First seen: 2026-06-09
Last seen: 2026-06-25 20:01 UTC

Frequent QSO partners observed at SO8OO

Stations JA6MUP worked most often, as logged from our receiver:

UN0GY · Kazakhstan R0AX · Asiatic Russia R6OJ · European Russia 4X1UF · Israel OE3UKW · Austria

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JA6MUP	Partner	Partner SNR	Msgs
06-25 22:01	20m	-4 / -	UX1AA	- / -	2	Partial
06-22 21:36	20m	+1 / -	EA8UP	- / -24	6	Partial
06-18 21:38	20m	- / -9	OE3UKW	-16 / -	3	✓ Confirmed
06-18 21:36	20m	- / -	9A9T	-22 / -	2	Partial
06-18 21:29	20m	-5 / -15	4X1UF	-18 / -19	6	✓ Verified
06-18 09:07	20m	-8 / -	R0AX	- / -18	2	✓ Confirmed
06-16 12:11	20m	+7 / -	R6OJ	- / -21	4	✓ Confirmed
06-09 21:43	20m	-11 / -	UN0GY	- / +6	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
213030 -16 2459  4X1UF JA6MUP RRR
213045  -5 2457  JA6MUP 4X1UF 73
213645 -23 1362  9A9T JA6MUP PM52 (x2)
213800 -17 1362  OE3UKW JA6MUP R-09 (x3)
213600  +2 1763  JA6MUP EA8UP -24 (x6)
220100  -4 2833  JA6MUP UX1AA KO70 (x2)