JH4NDG — FT8 station from Japan

Japan Grid: KN23

Amateur radio station JH4NDG operating from Japan (grid square KN23). 9 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 5 days, best SNR +3 dB. Heard between 2026-05-16 and 2026-06-28.

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

Overview

9
Total spots
0
CQ calls
5
Days active
-10 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-16
Last seen: 2026-06-28 06:35 UTC

Frequent QSO partners observed at SO8OO

Stations JH4NDG worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH4NDGPartnerPartner SNRMsgs
06-26 20:38 20m -15 / - S57ESG - / -11 2 Partial
06-23 21:27 20m -11 / - 5Z4VJ - / -16 3 Partial
05-16 20:51 20m +2 / - EA1A - / -18 2 ✓ Confirmed

Station Log

10m 
UTC    dB  Freq  Message
083545 -11 1593  JH4NDG LZ2CP KN23
20m 
UTC    dB  Freq  Message
205145  +0 1920  JH4NDG EA1A -18 (x2)
092930 -15 1915  JH4NDG EX8ABR/P RR73
212745 -10 2328  JH4NDG 5Z4VJ -16 (x3)
203815 -12 1297  JH4NDG S57ESG -11 (x2)

SNR History by Band