JA4WXH — FT8 station from Japan
Amateur radio station JA4WXH operating from Japan. 13 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 5 days, best SNR +6 dB. Heard between 2026-05-03 and 2026-06-22.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
13
Total spots
0
CQ calls
5
Days active
-6 dB
Avg SNR
Bands
20m
10m
First seen: 2026-05-03
Last seen: 2026-06-22 05:01 UTC
Last seen: 2026-06-22 05:01 UTC
Frequent QSO partners observed at SO8OO
Stations JA4WXH worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA4WXH | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-14 20:00 | 20m | +4 / - | OM3LU | - / -25 | 3 | Partial |
| 05-31 20:09 | 20m | -5 / - | SV1MOZ | - / - | 3 | Partial |
| 05-31 20:05 | 20m | -8 / - | SX20RCK | - / -13 | 2 | Partial |
Station Log
10m
UTC dB Freq Message 052400 -16 1332 JA4WXH <...> -16 052430 -16 1332 JA4WXH RR73; UR0MC <...> -18 103445 -8 2763 JA4WXH 9J2FI RR73 070130 -10 821 JA4WXH A71AT -16
20m
UTC dB Freq Message 200530 -8 2140 JA4WXH SX20RCK -13 (x2) 200800 -12 413 JA4WXH RA3ZH R-17 200930 -5 413 JA4WXH SV1MOZ KM17 (x3) 200045 +6 2426 JA4WXH OM3LU -25 (x3)