JH3IVO — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH3IVO operating from Japan. 56 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 13 days, best SNR +15 dB. Heard between 2026-04-26 and 2026-07-24.

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

Overview

56
Total spots
0
CQ calls
13
Days active
+1 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-26
Last seen: 2026-07-24 11:21 UTC

Frequent QSO partners observed at SO8OO

Stations JH3IVO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH3IVOPartnerPartner SNRMsgs
07-24 13:20 10m -11 / - TK5K - / -7 2 Partial
06-17 13:31 20m +2 / - IZ0JSE - / - 9 Partial
06-17 13:29 20m - / -14 OE3UKW -6 / - 2 ✓ Confirmed
06-17 13:22 20m -3 / - UN7IV -3 / - 6 ✓ Verified
06-17 13:06 20m - / - CX5AL -8 / - 2 Partial
06-11 17:38 20m -14 / -5 BH4HGH -5 / - 3 Partial
06-11 17:37 20m +3 / -8 RK9S -4 / -7 4 ✓ Complete
06-11 17:34 20m -7 / - EP2AES -6 / - 3 ✓ Verified
06-05 14:37 20m +12 / - SV5BYP -11 / -13 4 Partial
05-31 15:00 20m - / - OJ0Z -7 / - 6 Partial
05-29 14:37 20m - / - A92AE -7 / - 3 Partial
05-01 14:18 20m - / -15 SQ8AA -2 / - 8 Partial
05-01 14:16 20m - / -16 IZ3EAW +4 / - 2 ✓ Confirmed
05-01 14:06 20m - / -5 <...> -6 / - 4 Partial

Station Log

10m 
UTC    dB  Freq  Message
072145 -11  833  JH3IVO A61OK RR73
142600  -4  637  JH3IVO A65HS RR73
142945 -12  924  JH3IVO A41ZZ RR73
125230  +3 1292  JH3IVO 8Q7PR -23
123315 -10 1043  JH3IVO A60PC/5 -12
132045 -14  496  JH3IVO TK5K -07 (x2)
20m 
UTC    dB  Freq  Message
132845  -3 2730  UN7IV JH3IVO PM74
132915  -7 2730  OE3UKW JH3IVO R-14 (x2)
133100  +4 2731  JH3IVO IZ0JSE JN61 (x9)
142945 -11 2972  7Q5MLV JH3IVO PM74
130430 -10 2876  VU2WJ JH3IVO 73
183430  +6 1779  JH3IVO CN2DX R-09

SNR History by Band