JH4HVL — FT8 station from Japan

Japan Grid: PM86

Amateur radio station JH4HVL operating from Japan (grid square PM86). 62 FT8 spots received at SO8OO WebSDR, active on 20m, over 6 days, best SNR +20 dB. Heard between 2026-05-23 and 2026-05-28.

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

Overview

62
Total spots
0
CQ calls
6
Days active
+1 dB
Avg SNR

Bands

20m
First seen: 2026-05-23
Last seen: 2026-05-28 19:46 UTC

Frequent QSO partners observed at SO8OO

Stations JH4HVL worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH4HVLPartnerPartner SNRMsgs
05-28 21:28 20m +6 / - 4X1UF - / -20 2 ✓ Confirmed
05-27 18:23 20m +6 / - SV1MOZ - / -21 4 ✓ Confirmed
05-27 18:21 20m +2 / - R3SX - / -20 2 ✓ Confirmed
05-27 17:39 20m -4 / - R7DX - / - 2 ✓ Confirmed
05-27 14:51 20m -18 / - RK4FF - / -15 4 ✓ Confirmed
05-26 20:39 20m -11 / - 5B4AMM - / -11 2 ✓ Confirmed
05-25 21:51 20m -1 / - 9J2FI - / -21 3 ✓ Confirmed
05-25 21:42 20m +2 / - RA3ZH - / -20 2 ✓ Confirmed
05-25 21:40 20m -20 / - BU2FW - / - 4 Partial
05-24 14:42 20m +10 / - OH7BDI - / -20 15 Partial
05-24 14:35 20m +8 / - OH7BDI - / - 2 Partial
05-24 14:22 20m +11 / - OH7BDI - / - 11 Partial
05-23 21:30 20m -18 / - IK5CHL - / - 2 ✓ Confirmed
05-23 21:29 20m -4 / - M0BEW - / -16 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
145245 -17 1880  JH4HVL RK4FF RR73
173945  -5 2214  JH4HVL R7DX KN84 (x2)
182130  +6 2095  JH4HVL R3SX -20 (x2)
182300  +9  553  JH4HVL SV1MOZ KM17 (x4)
182600  -7 1962  JH4HVL RC6OG R-22
182730  -9  552  JH4HVL R1BEO KP50
183230  -1 2910  JH4HVL F4BYA JN19
212815  +3 2634  JH4HVL 4X1UF -20 (x2)
214645 -11  775  JH4HVL JA9APM PM86

SNR History by Band