JK3HFN — FT8 station from Japan

Japan Grid: ?

Amateur radio station JK3HFN operating from Japan. 13 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 4 days, best SNR +9 dB. Heard between 2026-04-23 and 2026-05-12.

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

Overview

Total spots

CQ calls

Days active

-3 dB

Avg SNR

Bands

40m 20m 10m

First seen: 2026-04-23
Last seen: 2026-05-12 09:28 UTC

Frequent QSO partners observed at SO8OO

Stations JK3HFN worked most often, as logged from our receiver:

ON7AC · Belgium R3IX · European Russia

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JK3HFN	Partner	Partner SNR	Msgs
05-12 11:27	10m	-12 / -	YD1EQN	- / -15	2	Partial
05-04 21:10	40m	-2 / -	UR6QA	- / -	2	Partial
05-04 20:32	40m	-4 / -	UR6QA	- / -	4	Partial
04-26 15:43	20m	+8 / -	ON7AC	- / -19	3	✓ Confirmed
04-23 16:07	20m	-12 / -	R3IX	- / -5	2	✓ Confirmed

Station Log

10m

UTC    dB  Freq  Message
112730  -9 1459  JK3HFN YD1EQN -15 (x2)

40m

UTC    dB  Freq  Message
203230  -4 2133  JK3HFN UR6QA KN77 (x6)

20m

UTC    dB  Freq  Message
160700 -11 1629  JK3HFN R3IX R-05 (x2)
154300  +7 2909  JK3HFN ON7AC JO11 (x3)