JA5OAU — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA5OAU operating from Japan. 58 FT8 spots received at SO8OO WebSDR, 9 CQ calls, active on 40m, 20m, 10m, over 14 days, best SNR +24 dB. Heard between 2026-04-27 and 2026-06-09.

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

Overview

58
Total spots
9
CQ calls
14
Days active
+1 dB
Avg SNR

Bands

40m 20m 10m
First seen: 2026-04-27
Last seen: 2026-06-09 19:28 UTC

Frequent QSO partners observed at SO8OO

Stations JA5OAU worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA5OAUPartnerPartner SNRMsgs
06-04 20:59 20m -12 / - PD0JOY +4 / -12 2 ✓ Verified
05-28 21:16 20m - / -8 EA3FNQ -4 / - 2 Partial
05-28 21:15 20m -3 / - F5IYE - / - 3 Partial
05-28 21:13 20m +1 / - EA3FNQ - / - 2 Partial
05-28 21:09 20m - / -3 EA8UP -8 / - 3 Partial
05-28 21:07 20m - / -7 UR4QWW -17 / - 4 ✓ Confirmed
05-28 21:05 20m - / -11 HA3KZ -18 / - 2 ✓ Confirmed
05-27 21:01 40m -1 / - SX20RCK - / -18 4 Partial
05-24 21:15 40m +22 / - SP6JIU - / -18 4 Partial
05-20 21:24 40m -10 / - A61CK - / -3 2 ✓ Confirmed
05-18 20:59 40m +1 / - LZ100LZ - / -15 2 Partial
05-17 21:36 20m - / +5 ON6AA -14 / - 2 ✓ Confirmed
05-17 21:33 20m -17 / -11 IT9ZIR -16 / - 2 ✓ Verified
05-15 20:49 40m +9 / - Z62NS - / -3 2 ✓ Confirmed
05-13 21:08 20m - / - <...> -7 / - 7 Partial
05-12 21:26 20m - / - ON8SGA +5 / - 3 Partial
05-12 21:23 20m - / -12 DL1EHG +3 / - 3 Partial
05-12 21:20 20m - / -12 IW0GCA +3 / - 4 Partial
05-12 21:18 20m - / -12 BG5DRB +3 / - 2 ✓ Confirmed
05-12 21:16 20m - / -14 SM7OYP 0 / - 2 ✓ Confirmed
05-12 21:12 20m -5 / -15 M8DBS +4 / -9 5 ✓ Complete
05-12 21:09 20m - / -6 RO5K +1 / - 2 ✓ Confirmed
05-12 21:07 20m - / +8 OE8PIT +4 / - 2 ✓ Confirmed
05-12 21:03 20m - / -10 R5AV +4 / - 2 ✓ Confirmed
05-12 21:02 20m - / -5 TA3TK +4 / - 2 ✓ Confirmed
05-12 20:57 20m - / -8 DL9KM +1 / - 3 ✓ Confirmed
05-12 20:49 20m -2 / +4 9H4JX +1 / - 9 ✓ Verified
05-11 21:37 20m - / -25 4L3YL -12 / - 5 ✓ Confirmed
05-11 21:35 20m - / -11 SV0TPN -11 / - 3 ✓ Confirmed
05-11 21:32 20m -5 / -10 TA3ZZ -8 / - 2 ✓ Verified
05-09 20:45 20m - / +9 JW7QIA +1 / - 4 Partial
05-09 20:42 20m - / -2 A92AE -2 / - 3 ✓ Confirmed
05-09 20:40 20m - / - TA1MDS +2 / - 3 Partial
05-07 21:35 20m - / - JY5IB -12 / - 2 Partial
05-07 21:32 20m - / -3 R2FAQ -13 / - 2 ✓ Confirmed
05-07 21:07 40m 0 / - RP81GL - / -15 3 ✓ Confirmed
05-07 20:57 40m -6 / - <...> - / -20 2 Partial
05-07 20:51 40m +11 / - 9A5E - / -10 2 ✓ Confirmed
04-30 09:16 10m +4 / - TL8GD - / -12 2 ✓ Confirmed
04-27 20:51 20m +4 / - F4IBJ - / - 5 Partial

Station Log

40m 
UTC    dB  Freq  Message
205000  +9  617  JA5OAU Z62NS RR73
205900  +5 1498  JA5OAU LZ100LZ -15 (x2)
212445 -12  902  JA5OAU A61CK -03 (x2)
210145  +4 1705  JA5OAU LZ100LZ -13
211500 +24 2882  JA5OAU SP6JIU R-18 (x4)
210130  -4 1140  JA5OAU SX20RCK R-18 (x4)
212830  -8  776  JA5OAU 9X5KM RR73
20m 
UTC    dB  Freq  Message
210945 -15 1335  EA8UP JA5OAU -03 (x3)
211330  +3 1335  JA5OAU EA3FNQ JN11 (x2)
211530  -4 2205  JA5OAU F5IYE JN05 (x2)
211615  -6 1335  EA3FNQ JA5OAU -08 (x2)
211745  +4 2205  JA5OAU F5IYE JN05
204845  +5  730  <...> JA5OAU -02
205430  -3 1503  JA5OAU CT3HU RR73
205530 -12  842  JA5OAU PD0JOY -12 (x2)
205945  +4  693  PD0JOY JA5OAU 73
10m 
UTC    dB  Freq  Message
091600  +5  463  JA5OAU TL8GD -12 (x2)

SNR History by Band