JR5MJS — FT8 station from Japan

Japan Grid: ?

Amateur radio station JR5MJS operating from Japan. 195 FT8 spots received at SO8OO WebSDR, 49 CQ calls, active on 20m, 10m, over 11 days, best SNR +17 dB. Heard between 2026-04-21 and 2026-05-13.

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Overview

195
Total spots
49
CQ calls
11
Days active
-8 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-05-13 19:24 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
05-13 21:22 20m -11 / - EA7LOK - / - 4 Partial
05-13 21:21 20m -11 / - M7JVT - / - 2 Partial
05-13 21:21 20m -12 / - IT9ZIR - / -14 6 Partial
05-13 21:16 20m - / - A92AE -15 / - 3 Partial
05-13 21:14 20m - / -19 PD2PE -14 / - 4 ✓ Confirmed
05-13 21:14 20m 0 / - IU2PKC - / - 2 Partial
05-13 21:12 20m -5 / -12 EC7KW -8 / -22 5 ✓ Complete
05-13 21:11 20m -9 / -14 F4JVF -4 / -7 5 ✓ Complete
05-13 21:09 20m - / -12 SP5WCK -6 / - 2 Partial
05-13 21:04 20m -3 / - F4JVF -8 / -12 6 ✓ Verified
05-13 21:03 20m +2 / -12 SV1HFE -7 / -12 11 ✓ Complete
05-13 21:03 20m -16 / -19 PD2FS -13 / -12 7 ✓ Complete
05-13 11:32 20m -22 / - DL3VT - / - 2 Partial
05-13 11:32 20m +2 / - F1PSX - / - 3 Partial
05-13 11:31 20m -9 / - PD4JVB - / - 4 Partial
05-13 11:31 20m -4 / - PE5I - / - 2 Partial
05-09 21:52 20m -16 / - F4LAV - / - 2 Partial
05-09 21:48 20m +3 / -17 EA4IXE -18 / -12 5 ✓ Complete
05-09 21:43 20m -18 / -25 MI7XHT -14 / -11 3 Partial
05-09 21:43 20m -10 / - ON3MOH - / - 2 Partial
05-09 21:42 20m - / -8 BA4OO -7 / - 2 ✓ Confirmed
05-09 21:39 20m -5 / - EA5JWB -8 / - 3 ✓ Verified
05-09 21:37 20m - / -15 E77FN -8 / - 2 ✓ Confirmed
05-09 21:31 20m -8 / - F1GFY - / - 8 Partial
05-09 21:29 20m -4 / -6 EA7KO -10 / -9 4 ✓ Complete
05-09 21:27 20m - / -25 HB9FMC -15 / - 2 ✓ Confirmed
05-07 21:41 20m - / -15 9A3KG -10 / - 2 Partial
05-07 21:31 20m - / -18 EA8AJ -14 / - 2 Partial
05-07 21:29 20m +2 / +2 JY5IB -16 / -4 2 Partial
05-04 22:46 20m -14 / - PS7LN - / -23 4 Partial
05-04 22:41 20m -20 / - SP5EXA - / - 2 Partial
05-02 22:05 20m -10 / - EA4CTP - / - 2 Partial
04-29 11:44 20m -14 / - R1AD - / - 3 Partial
04-28 21:38 20m +4 / - CT1EDA - / - 2 Partial
04-28 10:57 10m -7 / - CT3IQ - / - 3 Partial
04-25 11:40 20m -19 / - UB4CJS - / -23 11 Partial
04-25 11:38 20m +16 / - RC5F - / - 2 Partial
04-25 11:37 20m -11 / - DB8EB - / - 7 Partial
04-25 11:31 20m - / -18 BD3WQ -24 / - 2 Partial
04-25 11:30 20m +13 / - IK4LZH - / - 4 Partial
04-25 11:27 20m -9 / - R4FAH - / - 3 Partial
04-25 11:27 20m -1 / - R2ANG - / - 9 Partial
04-25 11:23 20m +1 / - RZ2H - / -16 5 Partial
04-24 21:28 20m -6 / - EX8ABR - / -23 2 Partial
04-21 23:13 20m -11 / - SX8LGT - / -10 4 ✓ Confirmed
04-21 11:02 20m +6 / - G4CUS - / -14 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
212100 -19 1366  JR5MJS IT9ZIR -14
212115 -10 1366  CQ JR5MJS PM74
212130 -14 1230  JR5MJS M7JVT IO94
212200 -13 1366  JR5MJS IT9ZIR -18
212200  -8 1230  JR5MJS M7JVT IO94
212215  -6 1366  CQ JR5MJS PM74
212230 -10 1366  JR5MJS IT9ZIR -11
212230 -12  587  JR5MJS EA7LOK IM88
212245  -9 1366  CQ JR5MJS PM74
212300 -11 1366  JR5MJS IT9ZIR -12
212300  -8  587  JR5MJS EA7LOK IM88
212330 -10 1366  JR5MJS IT9ZIR -12
212330  -9  587  JR5MJS EA7LOK IM88 (x2)
212400 -10 1366  JR5MJS IT9ZIR -12
10m 
UTC    dB  Freq  Message
105730  -2 2079  JR5MJS CT3IQ IM12 (x3)

SNR History by Band