JO3TAP — FT8 station from Japan

Japan Grid: JO11

Amateur radio station JO3TAP operating from Japan (grid square JO11). 12 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, over 5 days, best SNR +31 dB. Heard between 2026-04-21 and 2026-05-12.

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

Overview

12
Total spots
1
CQ calls
5
Days active
+9 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-05-12 09:49 UTC

Frequent QSO partners observed at SO8OO

Stations JO3TAP worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJO3TAPPartnerPartner SNRMsgs
05-12 21:45 20m - / -15 SV9TLU 0 / - 3 Partial
05-12 21:41 20m - / - IT9ACJ -4 / - 3 Partial
05-08 21:37 20m - / -8 II1NAP +2 / - 2 ✓ Confirmed
05-04 21:31 20m +20 / - EA5N - / -13 2 ✓ Confirmed
05-04 15:52 40m +12 / - US2YW - / - 3 Partial
05-03 21:38 20m - / - ZB2JK -14 / - 2 Partial
05-03 20:58 20m - / - ZB2JK -17 / - 3 Partial

Station Log

20m
UTC    dB  Freq  Message
213345  +7 2976  <...> JO3TAP -15
213545  -4 3002  OE3UKW JO3TAP 73
213745  +5 3001  II1NAP JO3TAP -08 (x2)
214400  -3 3001  9H4CM JO3TAP -16
110615 +31 2837  JO3TAP ON6AA JO11
114900  -8 2871  N3FCP JO3TAP R-10
114945 +19 1129  JO3TAP ON6AA JO11
214100  -7 2981  IT9ACJ JO3TAP PM74 (x3)
214345  -1 2981  <...> JO3TAP PM74
214545  -3 2981  SV9TLU JO3TAP -15 (x3)
40m
UTC    dB  Freq  Message
155230 +13  601  JO3TAP US2YW KN28 (x3)

SNR History by Band