JH3KCW — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH3KCW operating from Japan. 93 FT8 spots received at SO8OO WebSDR, 4 CQ calls, active on 40m, 20m, over 10 days, best SNR +18 dB. Heard between 2026-04-22 and 2026-07-08.

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

Overview

93
Total spots
4
CQ calls
10
Days active
-7 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-22
Last seen: 2026-07-08 16:41 UTC

Frequent QSO partners observed at SO8OO

Stations JH3KCW worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH3KCWPartnerPartner SNRMsgs
07-08 18:18 20m -9 / - F1SZC - / - 3 Partial
07-08 18:17 20m -7 / - DG1RS - / - 7 Partial
07-08 18:06 20m -17 / -20 DF4TC -24 / - 5 Partial
07-08 17:56 20m -19 / - EA5JLB - / -11 5 Partial
07-08 17:55 20m -11 / - HB9DTC - / - 4 Partial
07-08 17:49 20m +1 / - DL1R - / - 6 Partial
07-08 17:48 20m -15 / - DK6SX - / - 4 Partial
07-08 17:42 20m +9 / - IU2VBP - / -12 3 ✓ Confirmed
07-08 17:38 20m -2 / - DL1CC - / +1 6 ✓ Confirmed
07-08 17:35 20m -5 / - DL1CC - / - 2 Partial
07-05 18:12 20m +1 / - ON6AA - / - 5 Partial
07-03 18:32 20m +15 / - GB2WWA - / -15 3 Partial
07-03 17:53 20m +10 / - TM8WWA - / -12 3 ✓ Confirmed
07-02 21:41 20m -10 / - EC7KW - / - 3 Partial
06-16 22:43 20m +3 / - TN8GD - / -9 2 ✓ Confirmed
06-07 14:27 20m +2 / - RA6OV - / - 2 Partial
06-07 14:16 20m 0 / - UB8CPH - / -15 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
180730 -17 2028  JH3KCW DF4TC JN48 (x2)
180845 -24 1890  DF4TC JH3KCW -20 (x2)
181730 -13 2389  JH3KCW DG1RS JN49 (x2)
181830  -7 2545  JH3KCW F1SZC IN95 (x2)
181900  -5 2389  JH3KCW DG1RS JN49
181930 -13 2544  JH3KCW F1SZC IN95
181930  -9 2390  JH3KCW DG1RS JN49 (x4)
184130 -12  703  JH3KCW <...> -19
40m 
UTC    dB  Freq  Message
190130 -17 2434  JH3KCW II9WWA -20

SNR History by Band