JN7DOS — FT8 station from Japan

Japan Grid: ?

Amateur radio station JN7DOS operating from Japan. 26 FT8 spots received at SO8OO WebSDR, active on 160m, 40m, over 5 days, best SNR +12 dB. Heard between 2026-04-23 and 2026-06-21.

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

Overview

Total spots

CQ calls

Days active

-5 dB

Avg SNR

Bands

40m 160m

First seen: 2026-04-23
Last seen: 2026-06-21 17:11 UTC

Frequent QSO partners observed at SO8OO

Stations JN7DOS worked most often, as logged from our receiver:

R4FDD · European Russia RA3RUG · European Russia UT7HX · Ukraine R3BDQ · European Russia JT0LR · Mongolia AU2M · India

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JN7DOS	Partner	Partner SNR	Msgs
06-21 19:10	40m	-2 / -	RA3RUG	- / -6	3	✓ Confirmed
06-21 19:08	40m	-17 / -	R3BDQ	- / -13	2	✓ Confirmed
06-21 19:04	40m	-8 / -	UT7HX	- / -10	3	✓ Confirmed
06-21 19:03	40m	-2 / -	R4FDD	- / -7	5	✓ Confirmed
05-05 19:08	160m	-2 / -	SV8QG	- / -	3	Partial
05-02 20:15	40m	+9 / -	SX20RCK	- / -8	3	Partial
05-02 20:06	40m	-3 / -	AU2M	- / -1	2	✓ Confirmed

Station Log

40m

UTC    dB  Freq  Message
203200  -3 1219  JN7DOS <...> -17 (x2)
190300  -3 2609  JN7DOS R4FDD -07 (x2)
190400  -6 2231  JN7DOS UT7HX KN69 (x3)
190500  -6 2559  JN7DOS R4FDD -07 (x3)
190800 -18 2087  JN7DOS R3BDQ -13 (x2)
191030  +0 2610  JN7DOS RA3RUG LO12 (x3)

160m

UTC    dB  Freq  Message
190830  -9 2500  JN7DOS SV8QG KM39 (x3)