JA4DND — FT8 station from Japan

Japan Grid: IM87

Amateur radio station JA4DND operating from Japan (grid square IM87). 174 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 80m, 40m, 20m, 10m, over 20 days, best SNR +23 dB. Heard between 2026-04-21 and 2026-07-16.

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

Overview

174
Total spots
1
CQ calls
20
Days active
-3 dB
Avg SNR

Bands

80m 20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-07-16 18:02 UTC

Frequent QSO partners observed at SO8OO

Stations JA4DND worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA4DNDPartnerPartner SNRMsgs
07-15 20:37 20m -16 / - EA4IAH - / -14 2 ✓ Confirmed
07-15 20:37 20m -22 / - YO4DWD - / - 2 Partial
07-12 20:46 40m -8 / - EA8UP - / -13 3 ✓ Confirmed
07-12 11:16 20m -15 / - PD2WL - / - 5 Partial
07-12 11:16 20m -12 / - R2DN - / -11 2 Partial
07-12 11:15 20m -10 / - UA6UEU - / -8 2 ✓ Confirmed
06-29 21:41 20m -5 / - PA8S - / -11 3 ✓ Confirmed
06-29 21:41 20m -1 / - EA3AVS - / -12 2 ✓ Confirmed
06-29 21:40 20m -13 / - RN1QG - / +3 2 Partial
06-29 21:38 20m +1 / - IQ4JO - / -9 3 ✓ Confirmed
06-29 21:36 20m +13 / - EA7ALL - / - 4 ✓ Confirmed
06-23 21:47 20m -6 / - M7JVT - / -1 2 ✓ Confirmed
06-23 21:34 20m -10 / - MW1CRE - / - 2 Partial
06-23 21:33 20m - / -9 HB9EFK -8 / - 2 ✓ Confirmed
06-23 21:30 20m - / -5 YO6OGW -6 / - 2 ✓ Confirmed
06-23 21:28 20m - / -7 LY2BBF -6 / - 3 ✓ Confirmed
06-14 20:39 40m +4 / - UF1A - / -13 6 ✓ Confirmed
06-14 20:26 40m +5 / - SV6JHA - / +6 3 ✓ Confirmed
06-14 20:15 40m -4 / - R4FV - / -7 3 ✓ Confirmed
06-14 20:06 40m 0 / - IU3VXN - / - 3 Partial
06-14 20:03 40m -7 / - LZ1ZJ - / -9 4 ✓ Confirmed
06-14 20:00 40m +2 / - RV6AVU - / +8 3 ✓ Confirmed
06-11 20:50 40m -16 / - I6ODJ - / - 2 Partial
06-09 19:23 40m - / - 9X5KM -8 / - 2 Partial
06-05 21:21 40m -14 / - IZ8PPI - / -17 3 Partial
05-26 21:02 20m - / - ZD8KX +11 / - 7 Partial
05-24 22:23 20m - / -3 SP5LST +6 / - 2 ✓ Confirmed
05-24 22:22 20m - / -4 BH4GWF +7 / - 2 ✓ Confirmed
05-24 22:21 20m +12 / -6 SV5BYP +5 / -2 5 ✓ Complete
05-24 22:17 20m +17 / -22 5B4AMX +6 / -25 11 ✓ Complete
05-24 22:13 20m +2 / - <...> +8 / - 4 Partial
05-20 21:14 20m - / - IS0KNG +4 / - 2 Partial
05-20 20:51 20m - / - IS0KNG +1 / - 3 Partial
05-20 20:49 20m -5 / -15 G7GEE +2 / -9 4 ✓ Complete
05-20 20:47 20m -5 / - F5RRS - / - 4 Partial
05-20 20:45 20m - / -8 F4IBJ +3 / - 2 ✓ Confirmed
05-20 20:44 20m - / -10 HG5ONP +4 / - 2 ✓ Confirmed
05-20 20:43 20m -15 / -15 EA7GJV +4 / -4 3 ✓ Complete
05-20 20:40 20m 0 / -15 EA1B +2 / -7 8 ✓ Complete
05-20 20:38 20m - / -14 ON8SGA -1 / - 2 ✓ Confirmed
05-20 20:38 20m +7 / -9 EC1ABR 0 / - 7 ✓ Complete
05-20 20:36 20m - / -13 PD0DDA -3 / - 2 ✓ Confirmed
05-20 20:34 20m - / - IS0KNG -3 / - 4 Partial
05-14 21:38 20m -3 / - UT5MD - / - 3 ✓ Confirmed
05-14 21:28 20m - / - SV5BYP +12 / - 7 Partial
05-14 21:22 20m - / -21 4O7CC +14 / - 3 Partial
05-13 21:28 20m - / -5 DL7PIA +4 / - 2 ✓ Confirmed
05-13 21:26 20m - / -8 DH3SBB +8 / - 2 ✓ Confirmed
05-13 21:23 20m -2 / -8 EC7KW +14 / -12 4 ✓ Complete
05-13 21:21 20m -9 / -22 CS8ABF +9 / -9 6 ✓ Complete

Station Log

20m 
UTC    dB  Freq  Message
111615 -10 2255  JA4DND UA6UEU 73
111615 -12 1327  JA4DND PD2WL JO22
111645 -12  944  JA4DND R2DN R-11
111745 -10 1327  JA4DND PD2WL JO22 (x4)
203130 -13 1652  JA4DND EB5DFU +00
203315 -10  545  RM1F JA4DND RR73
203700 -16  917  JA4DND EA4IAH R-14
203700 -22 2094  JA4DND YO4DWD +00
203730 -16  917  JA4DND EA4IAH 73
203730 -21 2094  JA4DND YO4DWD -02
200100  +4 1778  JA4DND CN2DX R-13
200230 -14 1907  JA4DND EA7DHT IM87
40m 
UTC    dB  Freq  Message
201600  -3 1222  JA4DND R4FV R-07 (x2)
202630  +3  446  JA4DND SV6JHA KM09 (x3)
203945  +4  580  JA4DND UF1A KO49 (x6)
204530  -4  380  JA4DND IZ0MIT JN61
204630  -9 1723  JA4DND EA8UP -13 (x3)
10m 
UTC    dB  Freq  Message
101330  -2 2651  JA4DND 9J2FI -13 (x2)
113400  -3 2304  JA4DND RR73; DL8YRM <...> +10

SNR History by Band