JA8YAC — FT8 station from Japan

Japan Grid: JO20

Amateur radio station JA8YAC operating from Japan (grid square JO20). 81 FT8 spots received at SO8OO WebSDR, active on 20m, over 13 days, best SNR +23 dB. Heard between 2026-04-25 and 2026-05-14.

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

Overview

81
Total spots
0
CQ calls
13
Days active
0 dB
Avg SNR

Bands

20m
First seen: 2026-04-25
Last seen: 2026-05-14 10:42 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
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
135630 -13 1226  JA8YAC UA9TO -09 (x2)
140330  -9 2112  JA8YAC 5B4ALS RR73
144415 +15 2043  JA8YAC PI4DX -13 (x3)
134930 -15 2200  JA8YAC RX3DQ -21
135045 -12 2110  JA8YAC R8QA RR73
135245  -6 2200  JA8YAC UA6YEX -13
140230 -19 2153  JA8YAC RA9LL RR73
142730 +10 2169  JA8YAC SV1CQN -09 (x2)
123200  +1 1277  JA8YAC RN6MA -13 (x2)
124230 -14  531  JA8YAC OT1V JO20

SNR History by Band