JA3HDM — FT8 station from Japan
Amateur radio station JA3HDM operating from Japan. 19 FT8 spots received at SO8OO WebSDR, active on 20m, over 9 days, best SNR +5 dB. Heard between 2026-04-28 and 2026-06-13.
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Overview
19
Total spots
0
CQ calls
9
Days active
-6 dB
Avg SNR
Bands
20m
First seen: 2026-04-28
Last seen: 2026-06-13 19:42 UTC
Last seen: 2026-06-13 19:42 UTC
Frequent QSO partners observed at SO8OO
Stations JA3HDM worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA3HDM | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-19 21:43 | 20m | - / -18 | SP5ES | -24 / - | 3 | Partial |
| 06-13 21:42 | 20m | -18 / - | DS5DNO/P | - / -7 | 2 | ✓ Confirmed |
| 06-06 21:40 | 20m | - / -22 | 7Z1BS | -22 / - | 2 | Partial |
| 06-06 21:08 | 20m | -2 / - | HB10GBT | - / -13 | 2 | Partial |
| 06-06 20:55 | 20m | 0 / - | IZ3EAW | - / -15 | 4 | ✓ Confirmed |
| 06-05 21:23 | 20m | - / -16 | LY100RADIO | -22 / - | 2 | Partial |
| 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 205700 +4 1710 JA3HDM IZ3EAW 73 210700 -11 1714 OZ2KB JA3HDM -23 210845 -1 1339 JA3HDM HB10GBT R-13 (x2) 214015 -24 1762 7Z1BS JA3HDM -22 (x2) 204845 +0 1953 JA3HDM EA3AYQ -23 204915 +5 1401 JA3HDM IW0BLW 73 210530 -10 578 JA3HDM IN3KXV JN56 214000 -24 1372 K5A JA3HDM -16 214215 -19 1733 JA3HDM DS5DNO/P R-07 (x2) 214300 -23 1306 SP5ES JA3HDM -18 (x3)