JA3ADW — FT8 station from Japan
Amateur radio station JA3ADW operating from Japan (grid square IO91). 64 FT8 spots received at SO8OO WebSDR, active on 60m, 40m, 20m, 10m, over 12 days, best SNR +15 dB. Heard between 2026-04-26 and 2026-07-14.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
64
Total spots
0
CQ calls
12
Days active
-4 dB
Avg SNR
Bands
20m
60m
10m
40m
First seen: 2026-04-26
Last seen: 2026-07-14 17:44 UTC
Last seen: 2026-07-14 17:44 UTC
Frequent QSO partners observed at SO8OO
Stations JA3ADW worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA3ADW | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-21 21:48 | 20m | - / - | TU5MM | -10 / - | 2 | Partial |
| 07-21 21:40 | 20m | - / - | TU5MM | -10 / - | 4 | Partial |
| 07-14 19:43 | 40m | -3 / - | G4IFX | - / - | 4 | Partial |
| 07-14 19:41 | 40m | -11 / - | R3XBS | - / -17 | 2 | ✓ Confirmed |
| 07-14 19:33 | 40m | +7 / - | LY2HM | - / -13 | 2 | ✓ Confirmed |
| 07-11 20:19 | 40m | -6 / - | R6FX | - / -19 | 2 | Partial |
| 07-03 21:08 | 20m | -8 / - | EA5RT | - / - | 4 | Partial |
| 06-29 20:22 | 20m | +8 / - | ON6AA | - / -7 | 3 | ✓ Confirmed |
| 06-29 20:21 | 20m | -14 / - | SN0WWA | - / -12 | 2 | Partial |
| 06-29 20:20 | 60m | -13 / - | EA4T | - / -12 | 3 | Partial |
| 06-29 20:04 | 20m | -16 / - | OL6WWA | - / -2 | 2 | ✓ Confirmed |
| 06-12 21:13 | 20m | +1 / -17 | EA3AVS | -16 / -17 | 4 | Partial |
| 06-12 21:08 | 20m | -5 / - | EA3JHT | - / - | 8 | ✓ Confirmed |
| 06-12 21:07 | 20m | +7 / - | DL2MIJ | - / -14 | 3 | ✓ Confirmed |
| 06-12 21:06 | 20m | -10 / - | G4DBW | - / -18 | 2 | ✓ Confirmed |
| 06-11 08:22 | 10m | -4 / - | 9X5KM | - / - | 2 | ✓ Confirmed |
| 06-11 07:37 | 10m | -12 / - | 9X5KM | - / -2 | 2 | Partial |
| 06-04 06:28 | 20m | +3 / - | P40AA | - / -25 | 3 | Partial |
| 05-24 21:49 | 20m | - / - | TL8BNW | -10 / - | 5 | Partial |
| 05-19 20:24 | 20m | -10 / - | YM4KA | - / -14 | 2 | ✓ Confirmed |
| 05-12 22:16 | 20m | - / -6 | SV2FNT | -18 / - | 2 | ✓ Confirmed |
| 04-30 13:57 | 20m | +8 / - | R7DX | - / -18 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 202345 +6 1476 JA3ADW ON6AA 73 202415 -9 2798 JA3ADW LA1WWA -24 210100 -12 1950 JA3ADW CR2WWA RR73 210800 -11 1504 JA3ADW EA5RT JN00 (x4) 133130 -10 926 JA3ADW 5B4AIF -14 212430 -13 2476 TU5MM JA3ADW PM74 (x7)
40m
UTC dB Freq Message 201915 -6 330 JA3ADW R6FX LN14 (x2) 193315 +7 2856 JA3ADW LY2HM -13 (x2) 193445 -6 2707 JA3ADW RV3GZ KO92 193545 -4 2970 JA3ADW OH1EDK RR73 194145 -8 1096 JA3ADW R3XBS -17 (x2) 194315 -4 669 JA3ADW G4IFX IO91 (x4)
60m
UTC dB Freq Message 202030 -13 1332 JA3ADW EA4T -12 (x3)
10m
UTC dB Freq Message 073700 -12 822 JA3ADW 9X5KM -02 (x4)