JA9CWJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA9CWJ operating from Japan. 58 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, over 13 days, best SNR +21 dB. Heard between 2026-04-21 and 2026-05-12.

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Overview

58
Total spots
1
CQ calls
13
Days active
-3 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-05-12 19:07 UTC

Frequent QSO partners observed at SO8OO

Stations JA9CWJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA9CWJPartnerPartner SNRMsgs
05-12 21:06 20m +1 / - CT7AUT - / -3 3 ✓ Confirmed
05-11 21:41 20m +3 / - GM4ZTO - / -23 6 Partial
05-11 21:34 20m 0 / -4 CT4KQ -4 / -19 4 ✓ Complete
05-07 21:32 20m -14 / - <...> - / -21 2 Partial
05-06 21:19 20m -6 / - ON4CFC - / -19 2 ✓ Confirmed
05-06 21:16 20m +10 / - AO2RKB - / -11 2 ✓ Confirmed
05-06 20:56 20m - / +8 IU8PML -8 / - 2 ✓ Confirmed
05-06 20:51 20m - / - OZ5MAY -6 / - 3 Partial
05-02 21:32 20m -1 / - A61CK - / -11 2 ✓ Confirmed
04-28 21:22 20m -17 / -14 G6PWY -14 / - 3 Partial
04-28 21:18 20m - / -14 ON8SGA -14 / - 2 ✓ Confirmed
04-28 21:15 20m -15 / - EA8CII - / - 2 Partial
04-28 21:09 20m +14 / - 4L3YL - / -4 2 ✓ Confirmed
04-27 21:56 20m -6 / - EA5ISM -20 / -14 4 ✓ Verified
04-26 21:47 20m -4 / - A61OK - / -18 3 ✓ Confirmed
04-26 21:40 20m -8 / - <...> - / -11 2 Partial
04-24 21:46 20m +1 / - PY1EME - / -5 3 ✓ Confirmed
04-23 21:33 20m +17 / - CT1EDA - / -14 2 ✓ Confirmed
04-21 21:05 40m -18 / - BG3NQT - / -16 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
213600  -2  404  CT4KQ JA9CWJ R-04 (x2)
214100  +2  681  JA9CWJ GM4ZTO -23 (x6)
205800  +6 2263  JA9CWJ 9H4JX -06
205830  +8 2263  JA9CWJ RR73; JA0RCK <...> -10
210630  +1 1759  JA9CWJ CT7AUT IM67 (x3)
211600 -20 2163  CR7BUJ JA9CWJ PM86 (x2)
40m 
UTC    dB  Freq  Message
210445  +3 1789  JA9CWJ 9A60CBM -15
210515 -18 1297  JA9CWJ BG3NQT -16 (x2)
213630  +4  686  JA9CWJ SX8LGT -09
212630 -17  526  JA9CWJ JT0LR -09
201930 +19 2887  JA9CWJ SX20RCK -12
205630  -4  839  JA9CWJ <...> -17

SNR History by Band