JR4DZN — FT8 station from Japan

Japan Grid: ?

Amateur radio station JR4DZN operating from Japan. 16 FT8 spots received at SO8OO WebSDR, active on 80m, 20m, 10m, over 4 days, best SNR +10 dB. Heard between 2026-04-21 and 2026-05-21.

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

80m 20m 10m

First seen: 2026-04-21
Last seen: 2026-05-21 11:39 UTC

Frequent QSO partners observed at SO8OO

Stations JR4DZN worked most often, as logged from our receiver:

4L3YL · Georgia 4Z5AV · Israel RA3CQ · European Russia UN3P · Kazakhstan RA3ZH · European Russia YB5WIR · Indonesia

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JR4DZN	Partner	Partner SNR	Msgs
05-21 13:39	20m	-2 / -	UN3P	- / -3	2	✓ Confirmed
05-10 10:35	10m	0 / -	YB5WIR	- / -2	2	✓ Confirmed
04-21 20:30	80m	+8 / -	4L3YL	- / -18	3	✓ Confirmed
04-21 20:28	80m	+4 / -	RA3ZH	- / -15	3	✓ Confirmed
04-21 19:32	80m	+10 / -	4Z5AV	- / -23	2	✓ Confirmed
04-21 19:07	80m	+4 / -	RA3CQ	- / -2	3	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
133915  -4 2289  JR4DZN UN3P -03 (x2)

10m

UTC    dB  Freq  Message
103545  -1 1006  JR4DZN YB5WIR -02 (x2)

80m

UTC    dB  Freq  Message
190700  +4 2043  JR4DZN RA3CQ KO85 (x3)
193230  +9 2844  JR4DZN 4Z5AV -23 (x2)
202845  +0  882  JR4DZN RA3ZH KO81 (x3)
203015  +6 2869  JR4DZN 4L3YL LN21 (x3)
193600 -11 1056  JR4DZN LB1UK JP54