JH1UBK — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH1UBK operating from Japan. 40 FT8 spots received at SO8OO WebSDR, active on 20m, over 7 days, best SNR +14 dB. Heard between 2026-04-22 and 2026-05-09.

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

Overview

40
Total spots
0
CQ calls
7
Days active
-5 dB
Avg SNR

Bands

20m
First seen: 2026-04-22
Last seen: 2026-05-09 01:09 UTC

Frequent QSO partners observed at SO8OO

Stations JH1UBK worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH1UBKPartnerPartner SNRMsgs
05-09 03:08 20m -20 / - OM5CM - / -13 3 Partial
05-08 08:49 20m +4 / - HB9TIH - / - 4 Partial
05-04 11:23 20m +5 / - ON6AA - / - 5 ✓ Confirmed
05-01 21:43 20m +12 / - EA5BYS - / - 3 Partial
05-01 21:43 20m -10 / - EA2EWL - / -18 8 Partial
05-01 21:42 20m -10 / - S57ESG - / -11 4 ✓ Confirmed
05-01 21:01 20m -3 / - DF7EF - / - 2 Partial
05-01 10:56 20m -8 / - PD1ADA - / -23 2 Partial

Station Log

20m
UTC    dB  Freq  Message
112300  +0 1128  JH1UBK ON6AA JO11 (x5)
120230  -5 2890  JH1UBK <...> R-16
120545  +6  737  JH1UBK F5IXN JN23
075100  +6 2330  JH1UBK RR73; PD1RA <...> -22
084945  +4 1279  JH1UBK HB9TIH JN36 (x4)
030800 -20 1875  JH1UBK OM5CM R-13 (x3)

SNR History by Band