JA4DND — FT8 station from Japan
Amateur radio station JA4DND operating from Japan. 102 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 13 days, best SNR +23 dB. Heard between 2026-04-21 and 2026-06-05.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
102
Total spots
0
CQ calls
13
Days active
-1 dB
Avg SNR
Bands
80m
40m
20m
10m
First seen: 2026-04-21
Last seen: 2026-06-05 19:22 UTC
Last seen: 2026-06-05 19:22 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
| Time | Band | JA4DND | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 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 |
| 05-13 21:18 | 20m | -10 / - | CS8ABF | +6 / -12 | 3 | Partial |
| 05-13 21:14 | 20m | - / -15 | LZ1ZF | +4 / - | 2 | ✓ Confirmed |
| 05-13 21:06 | 20m | - / -16 | T77RN | -2 / - | 7 | Partial |
| 05-12 20:42 | 40m | -20 / - | RA3ZDU | - / -7 | 2 | Partial |
| 05-12 20:41 | 40m | -5 / - | DG5RN | - / -11 | 3 | ✓ Confirmed |
| 05-12 20:39 | 40m | -6 / - | D2UY | -12 / - | 2 | ✓ Verified |
| 05-12 20:36 | 40m | -8 / - | EA5CQM | - / +8 | 2 | ✓ Confirmed |
| 05-12 20:25 | 40m | - / -18 | A93MO | -11 / - | 4 | Partial |
| 05-11 21:15 | 20m | - / - | EL2BG | +2 / - | 2 | Partial |
| 05-11 21:09 | 20m | - / -13 | YI3AA | -1 / - | 8 | ✓ Confirmed |
| 05-11 21:06 | 20m | - / -7 | DL6BCZ | +3 / - | 5 | ✓ Confirmed |
| 05-11 21:06 | 20m | -5 / - | GI5KSO | - / - | 5 | Partial |
| 05-11 21:04 | 20m | - / -2 | Z34K | +4 / - | 2 | ✓ Confirmed |
| 05-11 21:00 | 20m | - / - | YI3AA | +2 / - | 7 | Partial |
| 05-10 21:18 | 20m | - / -1 | OE3UKW | +12 / - | 3 | Partial |
| 05-10 21:16 | 20m | -3 / - | CR7BUJ | - / - | 3 | Partial |
| 05-10 21:12 | 20m | - / -23 | <...> | +7 / - | 3 | Partial |
| 05-04 20:45 | 20m | +5 / - | JY5IB | - / -4 | 2 | ✓ Confirmed |
| 05-03 20:42 | 20m | - / -10 | OK5AG | +16 / - | 3 | ✓ Confirmed |
| 05-03 20:41 | 20m | +6 / - | M8KZE | - / - | 3 | Partial |
| 05-03 20:41 | 20m | - / -12 | DH1ADW | +20 / - | 2 | ✓ Confirmed |
| 05-03 20:40 | 20m | -2 / - | F4LER | - / - | 5 | Partial |
| 05-03 20:39 | 20m | - / -9 | HB9OAB | +20 / - | 4 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 202815 -12 379 A93MO JA4DND R-18 203615 -7 2031 JA4DND EA5CQM R+08 (x2) 203945 -12 379 D2UY JA4DND PM65 204030 -6 271 JA4DND D2UY RR73 204100 +2 379 JA4DND DG5RN JN59 (x2) 204230 -19 2413 JA4DND RA3ZDU KO90 204300 -8 1289 JA4DND DG5RN 73 204430 -21 2098 JA4DND RA3ZDU R-07 212145 -14 2029 JA4DND IZ8PPI -17 (x3) 192345 -8 721 9X5KM JA4DND PM65 (x2)
20m
UTC dB Freq Message 222115 +7 600 SV5BYP JA4DND -06 222130 +11 1600 JA4DND SV5BYP R-02 222145 +3 600 SV5BYP JA4DND RR73 222200 +11 1600 JA4DND SV5BYP 73 222245 +6 600 BH4GWF JA4DND -04 (x2) 222345 +6 600 SP5LST JA4DND -03 (x2) 210245 +11 399 ZD8KX JA4DND PM65 (x7)
10m
UTC dB Freq Message 101330 -2 2651 JA4DND 9J2FI -13 (x2) 113400 -3 2304 JA4DND RR73; DL8YRM <...> +10
80m
UTC dB Freq Message 201815 -23 2251 JA4DND RA0SCA OO06 201815 -4 1845 JA4DND IS0LAY JM49 201815 -5 1698 JA4DND OK1XLE JN69 201830 -9 2731 VK9BSA JA4DND PM65 201845 -20 2252 JA4DND RA0SCA OO06 201845 -7 1698 JA4DND OK1XLE JN69 201900 -14 2732 VK9BSA JA4DND PM65 201915 -3 1698 JA4DND OK1XLE JN69 201930 -13 2732 VK9BSA JA4DND PM65 201945 +2 1698 JA4DND OK1XLE JN69 202030 -7 2732 VK9BSA JA4DND PM65 202345 +11 2870 JA4DND 4L3YL LN21 (x2) 202700 -21 1752 VK9BSA JA4DND PM65 (x2)