JR4DHK — FT8 station from Japan

Japan Grid: ?

Amateur radio station JR4DHK operating from Japan. 26 FT8 spots received at SO8OO WebSDR, active on 80m, 20m, over 5 days, best SNR +14 dB. Heard between 2026-05-23 and 2026-07-25.

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

Overview

26
Total spots
0
CQ calls
5
Days active
-2 dB
Avg SNR

Bands

80m 20m
First seen: 2026-05-23
Last seen: 2026-07-25 19:27 UTC

Frequent QSO partners observed at SO8OO

Stations JR4DHK worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJR4DHKPartnerPartner SNRMsgs
07-24 22:47 20m -2 / - IZ8CLM - / -14 2 ✓ Confirmed
07-24 22:10 20m -1 / - EA8UP - / -11 4 ✓ Confirmed
07-24 21:49 20m -3 / - F4GHN - / -19 4 Partial
07-24 21:19 20m +2 / - RA3ZH - / - 2 Partial
07-24 21:00 20m +4 / - RA3ZH - / - 2 Partial
07-24 20:47 20m -2 / - E77TH - / -14 2 ✓ Confirmed
07-24 20:25 20m +4 / - 9A5E - / -13 2 ✓ Confirmed
07-19 20:17 80m -4 / - UB0SMX/P - / -14 2 ✓ Confirmed
05-24 01:06 20m +14 / - UA9CMN - / -13 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
211930  +2  308  JR4DHK RA3ZH KO81 (x2)
214945  -2 2392  JR4DHK F4GHN -19 (x4)
215415 -21 1633  JR4DHK DK3BK RR73
221030  -1 1765  JR4DHK EA8UP -11 (x4)
222915  -7 2391  JR4DHK F4GHN -18
224745  -3 2814  JR4DHK IZ8CLM -14 (x2)
212730 -13 1514  JR4DHK R4FDW -12
80m 
UTC    dB  Freq  Message
201730  -5  693  JR4DHK UB0SMX/P -14 (x2)

SNR History by Band