JA5CPJ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA5CPJ operating from Japan. 174 FT8 spots received at SO8OO WebSDR, 8 CQ calls, active on 20m, 10m, over 36 days, best SNR +33 dB. Heard between 2026-04-21 and 2026-06-28.

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Overview

174
Total spots
8
CQ calls
36
Days active
-3 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-06-28 18:48 UTC

Frequent QSO partners observed at SO8OO

Stations JA5CPJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA5CPJPartnerPartner SNRMsgs
06-28 20:48 20m +1 / - GB1500M - / -19 2 Partial
06-26 20:59 20m -12 / - OD5ZF - / -18 2 ✓ Confirmed
06-26 20:55 20m -17 / - OD5ZF - / -18 2 ✓ Confirmed
06-22 22:31 20m -6 / - EH1HSJ - / -20 2 ✓ Confirmed
06-21 20:45 20m -13 / - IT9BCC - / -8 2 ✓ Confirmed
06-20 20:10 20m -1 / - EA3GQA - / -14 5 ✓ Confirmed
06-19 22:07 20m - / -14 <...> -3 / - 2 Partial
06-17 22:15 20m - / - TJ1GD/P -11 / - 2 Partial
06-17 20:58 20m - / -22 TF8KW +1 / - 3 ✓ Confirmed
06-17 20:51 20m - / -14 EA3PV -16 / - 6 Partial
06-17 20:45 20m - / -20 EA3PV -13 / - 2 Partial
06-14 22:07 20m -21 / - ON3ABR - / - 5 Partial
06-14 21:04 20m -4 / - EA5FHK - / -12 2 ✓ Confirmed
06-14 20:53 20m -12 / -18 DL1API -10 / - 2 ✓ Verified
06-14 20:45 20m - / -16 EA4EUO -3 / - 3 ✓ Confirmed
06-14 20:45 20m -2 / - DL2NAE - / - 2 Partial
06-13 23:15 20m +4 / - HB9BUN - / -18 2 ✓ Confirmed
06-12 22:21 20m - / -20 EA3PV -10 / - 3 Partial
06-12 21:57 20m - / - TT1GD -9 / - 3 Partial
06-11 21:57 20m -16 / - BG2FYO -23 / -3 5 ✓ Verified
06-09 21:59 20m -8 / -21 SV1GYN -4 / - 6 ✓ Verified
06-08 22:03 20m - / -19 EG1PLL -16 / - 2 Partial
06-08 21:55 20m - / -18 EG1PLL +5 / - 7 Partial
06-06 22:27 20m - / -18 EA3AKA -12 / - 4 Partial
06-06 22:15 20m - / -23 JY5JA -5 / - 3 Partial
06-06 22:06 20m - / - 9X5KM -15 / - 6 Partial
06-04 09:48 20m -15 / - RI0SP - / -4 2 Partial
06-04 09:42 20m -18 / - RI0SP - / -7 2 Partial
06-03 22:57 20m -4 / - IW1QQG - / -16 2 ✓ Confirmed
06-03 22:30 20m -9 / - EG53DMM - / -18 3 Partial
06-02 20:58 20m +9 / - DL2MIJ - / - 3 ✓ Confirmed
06-02 20:56 20m -3 / -19 M0BEW -7 / -18 7 ✓ Complete
05-24 18:30 20m -3 / - EA1ERH - / -13 2 ✓ Confirmed
05-24 18:28 20m - / -9 DF1OLS -10 / - 2 Partial
05-24 18:26 20m - / -22 EP2AES -8 / - 2 ✓ Confirmed
05-23 22:06 20m - / -7 <...> -17 / - 3 Partial
05-22 22:24 20m - / - EA3EQS -18 / - 2 ✓ Confirmed
05-22 22:21 20m - / -9 EA3EQS -18 / - 2 Partial
05-22 22:17 20m -6 / - EG1PCI - / - 2 ✓ Confirmed
05-22 20:47 20m -8 / - EA1IQM - / -16 2 Partial
05-20 20:42 20m - / -16 SV1TMQ -8 / - 3 Partial
05-14 22:41 20m - / -24 TF8KW -10 / - 2 Partial
05-12 22:06 20m - / -18 LZ1ZF -18 / - 3 ✓ Confirmed
05-12 21:04 20m +2 / -21 M8KKH -19 / -6 3 Partial
05-12 21:01 20m +7 / - CT7AUT - / -2 3 ✓ Confirmed
05-12 20:39 20m - / -14 CT7ALI -10 / - 2 Partial
05-11 23:07 20m +3 / -20 EA7GUK -13 / -18 5 Partial
05-11 22:51 20m - / -18 A92AE -12 / - 2 Partial
05-11 22:24 20m - / -15 A92AE -19 / - 2 Partial
05-11 21:02 20m -16 / - CS7ADA - / - 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
201145  -2 1858  JA5CPJ EA3GQA R-14 (x2)
204530 -13 2171  JA5CPJ IT9BCC R-08 (x2)
223100  -7 2110  JA5CPJ EH1HSJ R-20 (x2)
211600 -14  667  JA5CPJ A91LD -21
205500 -17 2074  JA5CPJ OD5ZF -18 (x4)
222500  -3 1338  JA5CPJ EA5TA R-12
204200  -9 2368  JA5CPJ US5HL -10
204800  -2 1775  JA5CPJ GB1500M -19 (x2)
10m 
UTC    dB  Freq  Message
115730 -14 1052  JA5CPJ 7P8WR -06
112700 -14 1681  JA5CPJ A60PC/14 R+00 (x2)
114545 -13 1149  JA5CPJ A61DD R-08

SNR History by Band