JL3RDC — FT8 station from Japan

Japan Grid: LN21

Amateur radio station JL3RDC operating from Japan (grid square LN21). 12 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 2 days, best SNR +11 dB. Heard between 2026-04-25 and 2026-05-02.

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

Overview

Total spots

CQ calls

Days active

+0 dB

Avg SNR

Bands

20m 40m

First seen: 2026-04-25
Last seen: 2026-05-02 18:28 UTC

Frequent QSO partners observed at SO8OO

Stations JL3RDC worked most often, as logged from our receiver:

EA7ALL · Spain S21IM · Bangladesh AU2M · India

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JL3RDC	Partner	Partner SNR	Msgs
05-02 20:27	20m	-5 / -	4L3YL	- / -	2	Partial
05-02 20:21	20m	-16 / -12	S21IM	-7 / -	4	✓ Verified
05-02 20:17	40m	+9 / -	EA7ALL	- / -20	5	✓ Confirmed
05-02 20:16	40m	-2 / -	AU2M	- / -12	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
091700  -6 2890  JL3RDC ON6AA JO11
202145  -5 2697  S21IM JL3RDC PM85 (x2)
202230 -16 1090  JL3RDC S21IM RR73
202245  -8 2697  S21IM JL3RDC 73
202300  -4 2919  JL3RDC 4L3YL LN21
202545 -13 2697  XW4KV JL3RDC PM85
202730  -4 2919  JL3RDC 4L3YL LN21 (x2)

40m

UTC    dB  Freq  Message
201600  -2  356  JL3RDC AU2M -12 (x2)
201700 +11  604  JL3RDC EA7ALL IM88 (x5)