JA8TSG — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA8TSG operating from Japan. 49 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 6 days, best SNR +15 dB. Heard between 2026-04-24 and 2026-07-22.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

49
Total spots
0
CQ calls
6
Days active
-5 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-24
Last seen: 2026-07-22 10:32 UTC

Frequent QSO partners observed at SO8OO

Stations JA8TSG worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA8TSGPartnerPartner SNRMsgs
07-22 12:32 20m +1 / - IZ4AFM - / -19 2 Partial
07-21 15:46 20m -2 / - EA5HEU - / - 7 Partial
07-14 15:13 20m +13 / - DF7EF -11 / -4 8 ✓ Verified
06-02 17:03 20m -17 / - IK2CMI - / - 5 Partial
06-02 16:56 20m -18 / - UA3FO - / - 3 Partial
06-02 16:54 20m -6 / - RK4FF - / +3 2 Partial
06-02 16:54 20m - / -3 UT3UW -19 / - 2 ✓ Confirmed
06-02 16:52 20m -19 / - M7LYG - / - 2 Partial
06-02 16:49 20m - / -9 RG2V -22 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
151645 +13 2865  JA8TSG DF7EF 73
151745 -23 1712  JA8TSG <...> R-20
151815 -23 1828  JA8TSG UA3FO KO94
160415 -16 1220  JA8TSG UA3GJM -04
154600  -4 2263  JA8TSG EA5HEU JN00 (x7)
122630 -13 1717  JA8TSG F4FSY -15 (x2)
123200  +4  431  JA8TSG IZ4AFM -19 (x2)
40m 
UTC    dB  Freq  Message
155730 -17 1600  JA8TSG DK9BF JO42

SNR History by Band