JH1JAM — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH1JAM operating from Japan. 8 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 5 days, best SNR +1 dB. Heard between 2026-04-22 and 2026-05-29.

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

Overview

Total spots

CQ calls

Days active

-7 dB

Avg SNR

Bands

20m 40m 10m

First seen: 2026-04-22
Last seen: 2026-05-29 13:02 UTC

Frequent QSO partners observed at SO8OO

Stations JH1JAM worked most often, as logged from our receiver:

ZS6HON · South Africa RK4PR · European Russia AA1ON · United States 5B4AMX · Cyprus

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JH1JAM	Partner	Partner SNR	Msgs
05-29 15:01	20m	-1 / -	RK4PR	- / -20	3	✓ Confirmed
05-06 10:40	10m	-1 / -	5B4AMX	- / -11	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
101230 -17  297  JH1JAM AA1ON RR73
150130  -1  973  JH1JAM RK4PR -20 (x3)

10m

UTC    dB  Freq  Message
105445 -22 1411  JH1JAM ZS6HON RR73
104045  +1 1306  JH1JAM 5B4AMX -11 (x2)

40m

UTC    dB  Freq  Message
145145  -8 1941  JH1JAM UX1AA -17