JA0DAI — FT8 station from Japan
Amateur radio station JA0DAI operating from Japan. 74 FT8 spots received at SO8OO WebSDR, 2 CQ calls, active on 80m, 40m, 20m, 10m, over 17 days, best SNR +20 dB. Heard between 2026-04-21 and 2026-05-14.
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Overview
74
Total spots
2
CQ calls
17
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-21
Last seen: 2026-05-14 19:02 UTC
Last seen: 2026-05-14 19:02 UTC
Frequent QSO partners observed at SO8OO
Stations JA0DAI worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA0DAI | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-14 21:02 | 20m | -2 / - | 9H1JQ | - / -12 | 2 | ✓ Confirmed |
| 05-13 21:24 | 20m | - / -22 | <...> | -13 / - | 2 | Partial |
| 05-13 21:07 | 20m | +6 / - | AO1RKB | -15 / -16 | 2 | Partial |
| 05-12 22:01 | 20m | - / -15 | CT1FIU | -9 / - | 2 | ✓ Confirmed |
| 05-12 21:47 | 20m | +4 / -13 | 9H4JX | -8 / -13 | 6 | ✓ Complete |
| 05-12 21:43 | 20m | - / -12 | SV8IIQ | -8 / - | 2 | Partial |
| 05-12 21:00 | 20m | - / - | CR7BUJ | -13 / - | 5 | Partial |
| 05-12 20:58 | 20m | -8 / -17 | <...> | -18 / - | 3 | Partial |
| 05-12 20:54 | 20m | - / -22 | 9H4JX | -17 / - | 5 | Partial |
| 05-11 22:13 | 20m | - / - | CR7BRV | -16 / - | 4 | Partial |
| 05-11 21:36 | 20m | - / -17 | <...> | -21 / - | 7 | Partial |
| 05-11 21:33 | 20m | - / -10 | PE5I | -13 / - | 3 | ✓ Confirmed |
| 05-08 21:38 | 20m | - / -7 | OE3UKW | -11 / - | 2 | ✓ Confirmed |
| 05-08 21:35 | 20m | - / -10 | <...> | -9 / - | 2 | Partial |
| 05-08 21:27 | 20m | - / -17 | SV4RRK | -9 / - | 2 | ✓ Confirmed |
| 05-08 20:16 | 80m | -24 / - | UN0GY | - / -16 | 2 | ✓ Confirmed |
| 05-07 20:44 | 20m | -11 / -11 | A41DL | -7 / - | 2 | ✓ Verified |
| 05-06 21:18 | 20m | +8 / - | AO2RKB | - / -14 | 2 | ✓ Confirmed |
| 05-06 20:51 | 20m | +4 / -12 | <...> | -16 / -10 | 3 | Partial |
| 05-04 08:31 | 10m | -20 / - | SV1PLR | - / -7 | 2 | ✓ Confirmed |
| 05-03 22:03 | 20m | - / - | 9H4CM | -6 / - | 16 | Partial |
| 05-03 21:32 | 20m | - / - | CT1AOZ | -8 / - | 9 | Partial |
| 05-02 21:23 | 20m | -4 / - | 4Z5PE | - / -8 | 2 | ✓ Confirmed |
| 05-02 20:53 | 20m | - / -12 | <...> | -6 / - | 2 | Partial |
| 05-01 20:20 | 40m | +19 / - | <...> | - / -13 | 3 | Partial |
| 04-30 20:29 | 20m | - / -16 | <...> | -12 / - | 13 | Partial |
| 04-28 21:06 | 20m | - / - | EI2IIB | -13 / - | 2 | Partial |
| 04-27 21:06 | 20m | - / -13 | YL2KF | -12 / - | 3 | ✓ Confirmed |
| 04-24 20:21 | 40m | 0 / - | A60PE/5 | - / -19 | 2 | Partial |
| 04-24 08:44 | 10m | -10 / - | UN0GY | - / -16 | 2 | ✓ Confirmed |
| 04-22 20:07 | 40m | 0 / - | TA0V | - / - | 5 | Partial |
| 04-22 20:06 | 40m | -4 / - | RN6MA | - / -7 | 3 | Partial |
| 04-22 20:06 | 40m | -11 / -17 | DF5RA | -17 / -14 | 3 | Partial |
| 04-22 20:03 | 40m | - / - | CN8NS | -16 / - | 2 | Partial |
| 04-22 19:53 | 40m | +2 / -13 | IU0NAD | -17 / -15 | 8 | ✓ Complete |
| 04-22 13:13 | 20m | +3 / - | RA4HG | - / -6 | 3 | Partial |
| 04-22 13:12 | 20m | -10 / - | PD0PHA | - / -8 | 3 | ✓ Confirmed |
| 04-22 13:09 | 20m | - / -18 | SP5WZ | -4 / - | 3 | ✓ Confirmed |
| 04-22 13:09 | 20m | -8 / - | RX6AAT | - / -5 | 2 | Partial |
| 04-22 13:08 | 20m | -5 / - | R6DJR | - / -5 | 3 | Partial |
| 04-22 13:06 | 20m | - / -16 | UT2QL | -5 / - | 7 | ✓ Confirmed |
| 04-22 13:05 | 20m | +8 / - | RA4HG | - / -8 | 2 | Partial |
| 04-22 13:04 | 20m | - / -12 | RI0SP | +1 / - | 2 | ✓ Confirmed |
| 04-22 13:03 | 20m | - / -7 | EW4DX | +2 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 214715 -8 1561 9H4JX JA0DAI PM97 214730 +3 2263 JA0DAI 9H4JX -13 214745 -6 1561 9H4JX JA0DAI R-13 (x2) 214830 +5 2263 JA0DAI 9H4JX RR73 214845 -9 1560 9H4JX JA0DAI 73 215945 -10 1410 <...> JA0DAI PM97 220145 -9 1407 CT1FIU JA0DAI -15 (x2) 210715 -15 1259 AO1RKB JA0DAI PM97 210800 +6 707 JA0DAI AO1RKB -16 212445 -14 938 <...> JA0DAI PM97 (x2) 210200 +1 1332 JA0DAI 9H1JQ -12 (x2)
80m
UTC dB Freq Message 201615 -24 2566 JA0DAI UN0GY -16 (x2)
10m
UTC dB Freq Message 084415 -9 2156 JA0DAI UN0GY -16 (x2) 075230 -17 887 JA0DAI Z81D -16 083145 -19 2082 JA0DAI SV1PLR -07 (x2) 121715 -20 1330 JA0DAI A71QQ +03
40m
UTC dB Freq Message 200700 -13 2015 JA0DAI DF5RA R-14 200730 -5 990 JA0DAI RN6MA -07 200730 +1 2015 JA0DAI TA0V KN41 (x2) 200900 -18 1573 JA0DAI YO8RXH KN37 200930 +2 2015 JA0DAI TA0V KN41 (x3) 205715 -7 1120 JA0DAI A60PE/5 +00 204530 +14 1524 JA0DAI IW9HPG -24 202145 +1 1021 JA0DAI A60PE/5 -19 (x2) 202030 +20 2887 JA0DAI <...> -13 (x3)