JA4MOK — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA4MOK operating from Japan. 293 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, 10m, over 40 days, best SNR +25 dB. Heard between 2026-04-21 and 2026-06-09.

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Overview

293
Total spots
1
CQ calls
40
Days active
-3 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-06-09 18:02 UTC

Frequent QSO partners observed at SO8OO

Stations JA4MOK worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA4MOKPartnerPartner SNRMsgs
06-09 20:06 20m - / -13 <...> +14 / - 5 Partial
06-09 20:01 20m -14 / - BA8BLK - / -12 2 Partial
06-09 19:59 20m - / -14 HB9FBJ +7 / - 4 ✓ Confirmed
06-09 19:58 20m - / -5 UW5ESX +6 / - 2 Partial
06-09 19:55 20m - / -2 LZ2PC +4 / - 2 ✓ Confirmed
06-09 19:53 20m - / -9 YO5QDN 0 / - 3 ✓ Confirmed
06-09 19:53 20m -7 / - IQ0OS +2 / -16 2 ✓ Verified
06-09 19:51 20m - / -13 YO3GLL +6 / - 2 ✓ Confirmed
06-09 19:33 20m - / -8 <...> +2 / - 4 Partial
06-08 19:50 20m - / -7 IQ7PU +6 / - 2 Partial
06-08 19:47 20m -2 / -9 4Z5MY +8 / - 5 ✓ Verified
06-08 10:36 10m -14 / - YD0JHX - / -11 2 ✓ Confirmed
06-07 21:56 20m - / -13 DD5Y +1 / - 3 ✓ Confirmed
06-06 22:09 20m - / -14 JY5JA -9 / - 5 Partial
06-06 22:05 20m - / -15 JY5JA -2 / - 2 Partial
06-06 21:40 20m - / -12 7Z1BS -11 / - 3 Partial
06-06 21:17 20m - / -6 VE3XVC -6 / - 4 ✓ Confirmed
06-06 20:21 20m - / -13 <...> 0 / - 2 Partial
06-06 20:06 20m +3 / -13 OH3CYT +4 / - 3 ✓ Verified
06-06 19:45 20m - / -19 PD2XX -2 / - 2 ✓ Confirmed
06-06 19:45 20m -1 / - IU3GOR +4 / - 2 ✓ Verified
06-06 19:41 20m - / -14 OH4KRN +6 / - 2 ✓ Confirmed
06-06 19:40 20m -9 / -11 IU2WCY +6 / -4 3 ✓ Complete
06-06 19:34 20m - / -8 SP5TP -7 / - 5 Partial
06-06 19:33 20m -12 / - R1WAM - / - 3 Partial
06-06 19:31 20m -1 / -14 HB9HSA -2 / -9 3 ✓ Complete
06-06 19:30 20m - / -10 RI0SP -1 / - 2 ✓ Confirmed
06-05 20:14 40m 0 / - TA3GO - / -15 2 ✓ Confirmed
06-05 20:00 20m +14 / -13 DL6DK +14 / +2 4 ✓ Complete
06-05 19:57 20m - / -10 YU1BV +5 / - 2 ✓ Confirmed
06-05 19:56 20m +6 / -14 IQ5AAR +6 / -20 4 ✓ Complete
06-05 19:49 20m - / -13 <...> +1 / - 3 Partial
06-05 19:44 20m - / -11 F5OYA/P 0 / - 2 Partial
06-04 20:17 20m -6 / -13 JY5CG -14 / -20 3 ✓ Complete
06-04 20:01 20m -2 / -12 DK5ED -5 / -13 3 ✓ Complete
06-04 19:50 20m +6 / - EG53DMM - / -9 2 Partial
06-03 19:53 20m - / -20 IZ5MMK -7 / - 2 ✓ Confirmed
06-03 19:48 20m - / -12 F1PBZ -8 / - 2 ✓ Confirmed
06-02 19:37 20m - / -9 DN4TG +4 / - 2 ✓ Confirmed
06-02 19:33 20m - / -13 YO9PH +8 / - 3 ✓ Confirmed
06-02 19:29 20m - / -15 OM2IB +2 / - 4 ✓ Confirmed
06-02 19:27 20m - / -13 YO8SAC +5 / - 2 ✓ Confirmed
06-01 21:29 20m - / -6 9A2G -11 / - 2 ✓ Confirmed
06-01 21:21 20m - / -17 SP9HPI -7 / - 3 ✓ Confirmed
06-01 20:28 20m -11 / -6 UT5MD -6 / -17 3 ✓ Complete
06-01 20:22 20m - / - IK1JUS +4 / - 2 ✓ Confirmed
06-01 20:20 20m - / -20 ON4AEM +6 / - 2 ✓ Confirmed
06-01 20:19 20m - / -15 IQ6PE +4 / - 2 ✓ Confirmed
05-29 20:29 20m - / -14 SP6FCQ +2 / - 2 ✓ Confirmed
05-29 20:27 20m -2 / -15 MW3LSD +4 / -8 4 ✓ Complete

Station Log

40m 
UTC    dB  Freq  Message
200700  +1  442  JA4MOK UT2QL R-18
200715 -10  442  UT2QL JA4MOK RR73
200730  -2  442  JA4MOK UT2QL 73
200415  -8 2837  <...> JA4MOK -11 (x4)
213130  -4 1987  JA4MOK <...> R-19
195600  +5  551  JA4MOK ER9V R-12 (x3)
200230  +0 1488  JA4MOK <...> R-03
201430  -1  658  JA4MOK TA3GO R-15 (x2)
213400  -8  775  JA4MOK 9X5KM -08
20m 
UTC    dB  Freq  Message
195830  +6 2707  UW5ESX JA4MOK -05 (x2)
195930  +7 2707  HB9FBJ JA4MOK -14 (x4)
200130  +6 2708  UW5ESX JA4MOK RR73
200145 -13 1312  JA4MOK BA8BLK -12 (x2)
200300 +12 2707  F4MMU JA4MOK RR73
200600 +11 2707  <...> JA4MOK -13 (x5)
10m 
UTC    dB  Freq  Message
122600  -6 1710  JA4MOK RR73; DS5DNO <...> -02
053630 -13 1339  JA4MOK <...> R+05
053700 -11 1339  JA4MOK RR73; JF1BFW <...> -18
103600 -14 1305  JA4MOK YD0JHX R-11 (x2)

SNR History by Band