JR4FSG — FT8 station from Japan

Japan Grid: ?

Amateur radio station JR4FSG operating from Japan. 30 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 9 days, best SNR +17 dB. Heard between 2026-04-24 and 2026-05-14.

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

Overview

30
Total spots
0
CQ calls
9
Days active
-3 dB
Avg SNR

Bands

80m 20m 40m 10m
First seen: 2026-04-24
Last seen: 2026-05-14 11:46 UTC

Frequent QSO partners observed at SO8OO

Stations JR4FSG worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJR4FSGPartnerPartner SNRMsgs
05-13 22:20 20m -5 / - BH3CFN - / -2 3 ✓ Confirmed
05-13 19:21 40m +4 / - OH3OJ - / -20 2 ✓ Confirmed
05-13 17:36 40m +10 / - LY7M - / -14 2 ✓ Confirmed
05-13 17:22 40m -19 / - UN8DSW - / -21 2 Partial
05-09 15:53 20m -7 / - SX20RCK - / -14 2 Partial
05-08 06:28 20m +1 / - EA7OC - / -13 3 ✓ Confirmed
05-01 15:36 20m -13 / - YB5MB - / -11 3 Partial
04-28 19:23 40m -3 / - UX1AA - / -24 2 ✓ Confirmed
04-24 18:06 80m +4 / - UA6BRD - / - 4 Partial

Station Log

20m 
UTC    dB  Freq  Message
082115 -11 1189  JR4FSG V31DL EK57
153615 -14 1543  JR4FSG YB5MB -11 (x3)
224330 -10  431  JR4FSG B4CRA RR73
225815 -14 2436  JR4FSG BI4JM -06
062815  -4  794  JR4FSG EA7OC -13 (x3)
155345 -10  691  JR4FSG SX20RCK -14 (x2)
222045  -4 2123  JR4FSG BH3CFN -02 (x3)
134645 -12 1357  JR4FSG YC1KXA -06
40m 
UTC    dB  Freq  Message
192300  -2  798  JR4FSG UX1AA -24 (x2)
202900 +10 2605  JR4FSG YO3FRI -21 (x2)
172200 -18 2174  JR4FSG UN8DSW -21 (x2)
173600 +11 2201  JR4FSG LY7M -14 (x2)
192115  +4  628  JR4FSG OH3OJ -20 (x2)
10m 
UTC    dB  Freq  Message
082200 +17  397  JR4FSG <...> -16
80m 
UTC    dB  Freq  Message
180600  +0 2115  JR4FSG UA6BRD LN05 (x4)

SNR History by Band