JO3DDD — FT8 station from Japan
Amateur radio station JO3DDD operating from Japan. 41 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 12 days, best SNR +12 dB. Heard between 2026-04-28 and 2026-06-08.
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Overview
41
Total spots
0
CQ calls
12
Days active
-6 dB
Avg SNR
Bands
20m
10m
First seen: 2026-04-28
Last seen: 2026-06-08 11:51 UTC
Last seen: 2026-06-08 11:51 UTC
Frequent QSO partners observed at SO8OO
Stations JO3DDD worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JO3DDD | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-08 13:51 | 10m | -10 / - | 9X5KM | - / -7 | 2 | Partial |
| 06-08 12:38 | 10m | +6 / - | 7Z1IS | - / -7 | 3 | Partial |
| 06-06 23:11 | 20m | +6 / - | 9X5KM | - / -8 | 2 | ✓ Confirmed |
| 06-06 22:01 | 20m | - / - | 9X5KM | -2 / - | 3 | Partial |
| 06-06 21:44 | 20m | - / - | 9X5KM | -3 / - | 18 | Partial |
| 06-06 21:38 | 20m | - / - | 9X5KM | -7 / - | 4 | Partial |
| 06-05 22:19 | 20m | -5 / - | A61SD | - / -19 | 3 | ✓ Confirmed |
| 05-29 22:46 | 20m | +6 / - | 7Z1BS | - / -17 | 3 | ✓ Confirmed |
| 05-11 10:18 | 20m | -4 / - | HB9TIH | - / - | 4 | Partial |
| 05-10 23:39 | 20m | -13 / - | XT2AW | - / -6 | 7 | Partial |
| 05-04 12:49 | 10m | -12 / - | EA8FB | - / - | 6 | Partial |
| 05-03 09:12 | 10m | -22 / - | VU2KPH | - / -16 | 2 | Partial |
| 05-02 22:56 | 20m | +10 / - | 9K2OW | - / -9 | 2 | ✓ Confirmed |
| 04-29 08:32 | 10m | -9 / - | A61OK | - / -13 | 3 | ✓ Confirmed |
Station Log
10m
UTC dB Freq Message 083345 -9 826 JO3DDD A61OK 73 091245 -19 1590 JO3DDD VU2KPH R-16 (x2) 124915 -10 2029 JO3DDD EA8FB IL18 (x3) 125115 -21 1330 JO3DDD A71QQ RR73 125115 -16 2029 JO3DDD EA8FB IL18 (x3) 123845 +10 2242 JO3DDD 7Z1IS R-07 (x3) 135100 -9 786 JO3DDD 9X5KM -07 (x2)
20m
UTC dB Freq Message 214845 -4 3028 9X5KM JO3DDD PM75 (x13) 231130 +7 797 JO3DDD 9X5KM -08 (x2)