JA1DCK — FT8 station from Japan

Japan Grid: LO45

Amateur radio station JA1DCK operating from Japan (grid square LO45). 116 FT8 spots received at SO8OO WebSDR, 3 CQ calls, active on 20m, 10m, over 32 days, best SNR +24 dB. Heard between 2026-04-28 and 2026-07-27.

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

Overview

116
Total spots
3
CQ calls
32
Days active
-3 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-28
Last seen: 2026-07-27 12:16 UTC

Frequent QSO partners observed at SO8OO

Stations JA1DCK worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA1DCKPartnerPartner SNRMsgs
07-13 13:35 20m -11 / - UT4VL - / -15 3 Partial
06-30 14:43 20m -14 / - OH4JFN - / -19 2 ✓ Confirmed
06-18 14:06 20m +10 / - RW3TM - / - 4 Partial
06-17 14:42 20m -2 / - OH5KNL - / -3 2 ✓ Confirmed
06-16 14:34 20m -8 / - A92AE - / -19 2 ✓ Confirmed
06-15 14:21 20m -13 / - R0ADK - / -15 2 Partial
06-13 13:40 20m +13 / - SV2HTW - / -13 4 Partial
06-10 13:48 20m +2 / - OE3KLU - / -20 2 ✓ Confirmed
06-10 13:47 20m -3 / - RU4SS - / -13 3 ✓ Confirmed
06-09 13:31 20m +13 / - RD4FB - / -13 3 ✓ Confirmed
06-08 14:11 20m -12 / - RV9WJP - / -6 2 ✓ Confirmed
06-04 13:46 20m -7 / - R7OV - / - 4 Partial
06-03 14:41 20m -2 / - DK0BMW - / -25 2 ✓ Confirmed
06-02 14:08 20m +4 / - OK2ZCH - / - 4 Partial
05-29 14:12 20m -21 / +1 YB1KXV -19 / - 4 ✓ Verified
05-29 14:08 20m -11 / - R6ZAA - / -16 2 Partial
05-29 14:07 20m -6 / - TA5FW - / - 5 Partial
05-29 13:58 20m - / -16 N6JWN -18 / - 4 ✓ Confirmed
05-29 13:43 20m -2 / -5 R6OER -8 / -2 3 ✓ Complete
05-27 14:03 20m -17 / - R1QAM - / -11 2 ✓ Confirmed
05-21 14:17 20m +8 / - UA4FKT - / - 3 Partial
05-20 14:28 20m 0 / - SV9TNA - / - 3 Partial
05-20 13:43 20m -5 / - RA6AVP - / - 3 Partial
05-20 13:39 20m +9 / - R90UUS - / -5 2 ✓ Confirmed
05-19 14:20 20m -5 / - RA3ST - / -9 2 ✓ Confirmed
05-19 13:46 20m +2 / - LZ1AAW - / -25 6 ✓ Confirmed
05-17 13:49 10m -16 / - YD1EQN - / -14 2 ✓ Confirmed
05-15 14:03 20m +14 / - UA4FKT - / -7 3 Partial
05-11 14:12 20m -4 / - HB9TIH - / - 2 Partial
05-10 14:13 20m -12 / - SQ8M - / - 2 Partial
05-10 14:11 20m +3 / - R4PEZ - / -16 5 ✓ Confirmed
05-10 14:02 20m -3 / - R4HEA - / -11 3 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
144215  +2 2773  JA1DCK OH5KNL -03 (x2)
140600  +9  984  JA1DCK RW3TM LO26 (x5)
143530  -4 1020  JA1DCK EX8ABQ RR73
144300 -12 1194  JA1DCK OH4JFN R-19 (x2)
134300  -8 2908  JA1DCK R6DJR -14
133545  -8 1630  JA1DCK UT4VL -15 (x3)
141600 -21 2040  JA1DCK UA4QK LO45
10m 
UTC    dB  Freq  Message
134900 -19 1647  JA1DCK YD1EQN -14 (x2)
142615 -11 2584  JA1DCK A71AH -13

SNR History by Band