JA4NBX — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA4NBX operating from Japan. 7 FT8 spots received at SO8OO WebSDR, active on 40m, 10m, over 3 days, best SNR +15 dB. Heard between 2026-04-26 and 2026-05-27.

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 10m

First seen: 2026-04-26
Last seen: 2026-05-27 04:41 UTC

Frequent QSO partners observed at SO8OO

Stations JA4NBX worked most often, as logged from our receiver:

HB9EFK · Switzerland A61DD · United Arab Emirates 5Z4VJ · Kenya A61CK · United Arab Emirates

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JA4NBX	Partner	Partner SNR	Msgs
05-19 12:20	10m	+8 / -	A61CK	- / -11	2	✓ Confirmed
05-19 12:16	10m	+1 / -	A61DD	- / -16	2	✓ Confirmed
04-26 20:28	40m	+14 / -	HB9EFK	- / -17	2	✓ Confirmed

Station Log

10m

UTC    dB  Freq  Message
121615  +2 1142  JA4NBX A61DD -16 (x2)
122045 +11  906  JA4NBX A61CK -11 (x2)
064130  -9  684  JA4NBX 5Z4VJ RR73

40m

UTC    dB  Freq  Message
202845 +15 2499  JA4NBX HB9EFK -17 (x2)