JF1KWI — FT8 station from Japan

Japan Grid: ?

Amateur radio station JF1KWI operating from Japan. 103 FT8 spots received at SO8OO WebSDR, 2 CQ calls, active on 40m, 20m, 10m, over 18 days, best SNR +24 dB. Heard between 2026-04-22 and 2026-06-12.

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

Overview

103
Total spots
2
CQ calls
18
Days active
+2 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-22
Last seen: 2026-06-12 20:11 UTC

Frequent QSO partners observed at SO8OO

Stations JF1KWI worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJF1KWIPartnerPartner SNRMsgs
06-12 22:11 20m -13 / - A60PC/14 - / -14 2 Partial
06-10 21:22 20m -10 / - BG2FYO - / - 3 ✓ Confirmed
06-09 18:57 40m +3 / - RJ6B - / -6 3 ✓ Confirmed
06-09 18:56 40m -20 / - R6FS - / -12 3 ✓ Confirmed
06-09 18:53 40m -14 / - R4FDK - / -17 2 Partial
06-06 09:32 20m -8 / - EG53DMM - / -22 2 Partial
06-04 18:40 40m +13 / - YO6MP - / -10 4 ✓ Confirmed
05-25 19:11 40m -9 / - YM3KC - / -17 2 ✓ Confirmed
05-22 16:42 20m -6 / - F5OHS - / -13 2 ✓ Confirmed
05-11 21:31 20m +13 / - EA8UP - / -20 7 Partial
05-10 17:13 20m +12 / - F4GPB - / -8 2 ✓ Confirmed
05-10 17:03 20m +21 / - ON6AA - / -15 3 ✓ Confirmed
05-09 18:16 20m +6 / - EA3EQS - / -13 2 ✓ Confirmed
05-09 17:46 20m -9 / - OH4LBX - / -18 3 ✓ Confirmed
05-06 20:32 20m -1 / - TF4M - / -15 4 ✓ Confirmed
05-02 13:48 10m -4 / - ZS1A - / -8 2 ✓ Confirmed
04-29 19:42 40m -2 / - IZ0JSE - / -11 4 ✓ Confirmed
04-29 19:39 40m +18 / - HA3IC - / -19 5 ✓ Confirmed
04-29 19:35 40m +19 / - HA3IC - / - 3 Partial
04-29 19:32 40m +12 / - YO2MTG - / -19 3 ✓ Confirmed
04-29 19:30 40m +9 / - UA2FBW - / -15 2 ✓ Confirmed
04-29 19:30 40m +9 / - UW5KW - / -21 5 ✓ Confirmed
04-29 18:41 20m +1 / - UA6EH - / -5 3 ✓ Confirmed
04-26 13:22 20m +21 / - ON6AA - / -16 3 Partial
04-24 17:37 20m +10 / - OH2GIP - / - 2 Partial
04-24 17:33 20m +16 / - F6AUS - / -17 4 ✓ Confirmed
04-24 17:33 20m -4 / - EA5DKA - / -21 2 ✓ Confirmed
04-24 17:03 20m - / -16 SQ9BC -17 / - 2 Partial
04-24 16:09 20m 0 / - M8KKH - / - 3 Partial
04-22 19:23 40m -8 / - F1PBZ - / -24 3 Partial

Station Log

20m 
UTC    dB  Freq  Message
213345 +11  805  JF1KWI EA8UP -20 (x3)
164245  -7 2896  JF1KWI F5OHS -13 (x2)
113800 -15 2205  JF1KWI VE3VEE RR73
200930 -11 2404  JF1KWI 7Z1IS +14
093230  -9 1463  JF1KWI EG53DMM -22 (x2)
212230  -9 1907  JF1KWI BG2FYO PN35 (x3)
213400 -19 2157  JF1KWI BH4HGH R+10
221100 -14 1933  JF1KWI A60PC/14 -14 (x2)
40m 
UTC    dB  Freq  Message
191145 -10 1182  JF1KWI YM3KC -17 (x2)
184000 +13 1235  JF1KWI YO6MP -10 (x4)
185300 -14 1671  JF1KWI R4FDK LO23 (x2)
185600 -23 1593  JF1KWI R9AXX R-13
185600 -20 1818  JF1KWI R6FS LN04 (x3)
185730  -1 2772  JF1KWI RJ6B KN95 (x3)
10m 
UTC    dB  Freq  Message
134815  -5 2677  JF1KWI ZS1A -08 (x2)

SNR History by Band