JA3HDM — FT8 station from Japan
Amateur radio station JA3HDM operating from Japan (grid square IN50). 6 FT8 spots received at SO8OO WebSDR, active on 20m, over 3 days, best SNR +4 dB. Heard between 2026-04-28 and 2026-05-12.
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Overview
6
Total spots
0
CQ calls
3
Days active
-6 dB
Avg SNR
Bands
20m
First seen: 2026-04-28
Last seen: 2026-05-12 19:31 UTC
Last seen: 2026-05-12 19:31 UTC
Frequent QSO partners observed at SO8OO
Stations JA3HDM worked most often, as logged from our receiver:
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA3HDM | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-12 21:27 | 20m | - / -13 | SP7CS | -18 / - | 2 | Partial |
| 05-12 21:22 | 20m | - / -12 | <...> | -18 / - | 2 | Partial |
| 04-29 21:33 | 20m | +4 / - | IK0LNN | - / -12 | 2 | ✓ Confirmed |
| 04-28 21:43 | 20m | -20 / - | VU3FXE | - / -16 | 2 | Partial |
Station Log
20m
UTC dB Freq Message 211200 -6 1237 9A7W JA3HDM RR73 212845 -22 1526 SQ5JMO JA3HDM -15 214300 -19 1791 JA3HDM VU3FXE R-16 (x2) 213345 +3 1737 JA3HDM IK0LNN R-12 (x2) 215115 -23 1611 DK2LG JA3HDM -12 212245 -17 1712 <...> JA3HDM -12 (x2) 212430 -3 1707 JA3HDM RR73; YO3GTP <...> +08 212745 -17 1355 SP7CS JA3HDM -13 (x2) 213130 -3 1478 JA3HDM CT1FIU IN50 214245 -9 1558 PY2KC JA3HDM -14