JA8YAC — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA8YAC operating from Japan. 129 FT8 spots received at SO8OO WebSDR, active on 20m, over 20 days, best SNR +23 dB. Heard between 2026-04-25 and 2026-06-20.

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

Overview

129
Total spots
0
CQ calls
20
Days active
-2 dB
Avg SNR

Bands

20m
First seen: 2026-04-25
Last seen: 2026-06-20 11:28 UTC

Frequent QSO partners observed at SO8OO

Stations JA8YAC worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA8YACPartnerPartner SNRMsgs
06-12 23:01 20m -8 / - UR4QWW - / -20 4 ✓ Confirmed
06-12 22:24 20m +18 / - 9A2RD - / -23 2 ✓ Confirmed
05-23 16:10 20m -10 / - LZ1ZJ - / -18 2 ✓ Confirmed
05-23 15:32 20m 0 / - OH2GIP - / -19 4 ✓ Confirmed
05-23 15:17 20m -11 / - PD4WAC - / - 4 Partial
05-23 15:16 20m -15 / - ER1CW - / -15 3 Partial
05-23 15:11 20m +8 / - E70SZ - / -24 6 ✓ Confirmed
05-21 12:36 20m -2 / - F1ODM - / +3 4 Partial
05-21 12:17 20m 0 / - GM5YTT - / -12 2 Partial
05-16 15:13 20m -16 / - UN2E - / -16 2 Partial
05-16 13:54 20m -13 / - SV8NAJ - / -20 2 Partial
05-15 15:43 20m -13 / - RQ6B - / - 3 Partial
05-14 12:32 20m +1 / - RN6MA - / -13 2 ✓ Confirmed
05-10 14:27 20m +6 / - SV1CQN - / -9 2 ✓ Confirmed
05-09 14:44 20m +15 / - PI4DX - / -13 3 ✓ Confirmed
05-09 13:56 20m -8 / - UA9TO - / -9 2 ✓ Confirmed
05-08 11:22 20m +2 / - <...> - / -12 2 Partial
05-07 12:39 20m +8 / - R6LKG - / - 2 Partial
05-03 00:31 20m -6 / - 9V1YC - / -19 2 ✓ Confirmed
04-28 14:04 20m -6 / - F1NQP - / - 2 Partial
04-28 14:01 20m -7 / - PC2J - / - 4 Partial
04-28 13:52 20m -7 / - F1IQH - / - 2 Partial
04-28 13:51 20m +4 / - UA3PRS - / -24 2 ✓ Confirmed
04-28 13:31 20m -4 / - F4BYA - / - 2 Partial
04-28 13:23 20m -2 / - F4BYA - / - 4 Partial
04-28 12:38 20m +7 / - F4BYA - / - 3 Partial
04-28 12:32 20m +4 / - F4BYA - / - 2 Partial
04-28 12:18 20m +5 / - F4BYA - / - 3 Partial
04-27 13:11 20m +7 / - R6DZR - / -13 2 ✓ Confirmed
04-27 12:12 20m -8 / - HB9RSG - / -20 2 ✓ Confirmed
04-26 14:15 20m +21 / - ON6AA - / -19 3 ✓ Confirmed
04-26 14:13 20m +8 / - R0AX - / -11 2 ✓ Confirmed
04-26 14:02 20m +6 / - RN1NEB - / -17 2 ✓ Confirmed
04-25 16:02 20m -1 / - OH5BRB - / -11 3 ✓ Confirmed
04-25 15:54 20m +14 / - UB3KDU - / -19 2 Partial
04-25 15:53 20m +2 / - RA9J -23 / -9 4 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
161030 -11 1630  JA8YAC LZ1ZJ -18 (x2)
163130 -12 3009  JA8YAC F4BYA JN19
213930 -16 1488  JA8YAC JJ2IJU -10
215130  -7 2397  JA8YAC JE2UFF +06
215830 -11 1984  JA8YAC JA9FFS +03
222430 +17  670  JA8YAC 9A2RD -23 (x2)
230130  -4 1870  JA8YAC UR4QWW KN77 (x4)
124430  -5 2051  JA8YAC RU4D -15
132530 -14 1225  JA8YAC UN8PC MN69 (x2)

SNR History by Band