JR5MJS — FT8 station from Japan

Japan Grid: KN98

Amateur radio station JR5MJS operating from Japan (grid square KN98). 411 FT8 spots received at SO8OO WebSDR, 100 CQ calls, active on 20m, 10m, over 30 days, best SNR +21 dB. Heard between 2026-04-21 and 2026-06-24.

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Overview

411
Total spots
100
CQ calls
30
Days active
-6 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-06-24 09:44 UTC

Frequent QSO partners observed at SO8OO

Stations JR5MJS worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJR5MJSPartnerPartner SNRMsgs
06-24 11:42 20m -10 / - RA6OB - / - 4 Partial
06-24 11:41 20m +3 / - IK4LZH - / - 4 Partial
06-24 11:40 20m -11 / - M8HAG - / -21 2 Partial
06-24 11:37 20m +4 / - IK4LZH - / - 4 Partial
06-24 11:32 20m 0 / - M8HAG - / -21 2 Partial
06-23 11:59 20m +10 / - IK4LZH - / - 3 Partial
06-23 11:51 20m +7 / - IK4LZH - / - 4 Partial
06-23 11:28 20m +5 / - IK4LZH - / - 4 Partial
06-17 20:51 20m - / -18 DD5GG -1 / - 2 ✓ Confirmed
06-17 20:47 20m - / -4 LA1H +2 / - 4 Partial
06-13 11:38 20m -13 / - IZ1DXU - / - 3 Partial
06-13 11:27 20m +9 / - IK4LZH - / - 4 Partial
06-13 11:19 20m +10 / - IK4LZH - / - 3 Partial
06-13 11:09 20m -10 / - DL1UDO - / - 2 Partial
06-13 11:04 20m -12 / - RN3GJ - / -12 2 Partial
06-13 11:04 20m +3 / - IK4LZH - / - 3 Partial
06-09 21:06 20m -7 / -15 I7OXH -8 / - 7 Partial
06-09 21:03 20m - / -25 YO2MKE -12 / - 3 Partial
06-09 20:55 20m - / -15 SP4WSL -8 / - 2 ✓ Confirmed
06-09 20:50 20m -1 / -4 IW2NEF -10 / -6 5 ✓ Complete
06-09 20:47 20m - / -15 AH6WN -8 / - 2 Partial
06-09 20:45 20m - / -16 HA3HZ -12 / - 2 ✓ Confirmed
06-08 21:30 20m -14 / -21 YT3VOL -6 / - 3 ✓ Verified
06-08 21:29 20m -4 / - BG2FYO -8 / -3 4 ✓ Complete
06-08 21:26 20m - / -9 BG5DMC -12 / - 2 ✓ Confirmed
06-07 21:29 20m +12 / - IK1MNJ - / - 2 Partial
06-07 21:28 20m - / -5 UR5WCS 0 / - 2 Partial
06-07 21:26 20m - / -3 SP6FME -2 / - 2 ✓ Confirmed
06-07 21:26 20m -3 / - DL9KM -21 / - 2 ✓ Verified
06-07 21:21 20m - / -24 UA0LQE +1 / - 4 ✓ Confirmed
06-07 10:58 20m +3 / - UB8CPH - / -15 2 ✓ Confirmed
06-06 22:05 20m - / - JY5JA -8 / - 3 Partial
06-05 21:30 20m - / -13 A92AB -9 / - 3 Partial
06-03 22:32 20m +3 / - EA2EWL - / - 6 Partial
05-29 21:31 20m -12 / -18 IU2SLQ -3 / - 4 ✓ Verified
05-29 21:30 20m -7 / -16 BA8BLK -6 / - 3 ✓ Verified
05-29 21:27 20m -11 / - F4MMT -6 / -10 5 ✓ Verified
05-29 21:26 20m - / -9 F5TLZ -7 / - 2 ✓ Confirmed
05-29 11:02 20m -11 / - RA9YJU - / -6 2 ✓ Confirmed
05-28 21:24 20m - / -10 HA3KZ -4 / - 2 Partial
05-28 21:22 20m - / - LZ1BT -1 / - 2 Partial
05-28 21:17 20m -6 / - EI3ENB - / - 4 Partial
05-28 21:13 20m - / -17 EW4PA -2 / - 2 ✓ Confirmed
05-28 21:12 20m -5 / - M8GGQ - / - 5 Partial
05-28 21:11 20m - / -16 DL1MFK -1 / - 4 ✓ Confirmed
05-27 10:46 20m +12 / - IK4LZH - / - 4 Partial
05-27 10:39 20m +3 / - DL6PX - / - 3 Partial
05-27 10:38 20m -3 / - RM6OK - / - 2 Partial
05-27 10:36 20m -13 / - RY9W - / - 2 Partial
05-27 10:30 20m +17 / - IK4LZH - / - 3 Partial

Station Log

20m 
UTC    dB  Freq  Message
113245  +0  599  JR5MJS M8HAG -21
113715  +3  411  JR5MJS IK4LZH JN54 (x4)
114045 -13  597  JR5MJS M8HAG -21 (x2)
114115  +0  411  JR5MJS IK4LZH JN54 (x3)
114245  -8 2173  JR5MJS RA6OB KN98
114245  +4  411  JR5MJS IK4LZH JN54
114315  -8 2174  JR5MJS RA6OB KN98 (x3)
10m 
UTC    dB  Freq  Message
105730  -2 2079  JR5MJS CT3IQ IM12 (x3)
111745  +2  925  JR5MJS A41ZZ -16
105930  -5 1393  JR5MJS 7Q3AM +04

SNR History by Band