JA5DKJ — FT8 station from Japan
Amateur radio station JA5DKJ operating from Japan. 89 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 27 days, best SNR +20 dB. Heard between 2026-04-21 and 2026-06-28.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
89
Total spots
0
CQ calls
27
Days active
-2 dB
Avg SNR
Bands
20m
40m
10m
First seen: 2026-04-21
Last seen: 2026-06-28 09:42 UTC
Last seen: 2026-06-28 09:42 UTC
Frequent QSO partners observed at SO8OO
Stations JA5DKJ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA5DKJ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-28 11:41 | 10m | -9 / - | UT7IF | - / -13 | 3 | ✓ Confirmed |
| 06-26 21:08 | 20m | -1 / - | 4L7T | - / -18 | 3 | Partial |
| 06-22 22:40 | 20m | -14 / - | JY5IB | - / -13 | 2 | ✓ Confirmed |
| 06-19 20:42 | 20m | -11 / - | 4Z1KO | - / -19 | 4 | Partial |
| 06-18 20:33 | 20m | - / -16 | CX1AR | -20 / - | 2 | Partial |
| 06-17 21:36 | 20m | - / -14 | IS0KNG | -19 / - | 5 | Partial |
| 06-13 20:26 | 20m | - / - | EW4IDP | -10 / - | 2 | ✓ Confirmed |
| 06-12 19:50 | 20m | - / -11 | 9A5AZK | -10 / - | 2 | Partial |
| 06-11 20:28 | 20m | -10 / - | IZ2DPX | - / -12 | 2 | ✓ Confirmed |
| 06-10 20:53 | 20m | +2 / - | IR0RCAG | - / -8 | 2 | Partial |
| 06-09 20:03 | 20m | - / -15 | 9A5AZK | -17 / - | 7 | Partial |
| 06-06 20:32 | 20m | +3 / - | 4L1AX | - / -15 | 2 | ✓ Confirmed |
| 06-04 20:09 | 20m | - / -7 | JY5CG | -18 / - | 2 | Partial |
| 06-02 19:49 | 20m | -4 / - | 7Z1IS | - / +8 | 2 | ✓ Confirmed |
| 06-01 20:51 | 20m | -8 / - | EX8ABR/P | - / -4 | 2 | Partial |
| 05-31 20:45 | 20m | - / -9 | Z34CMF | -19 / - | 3 | Partial |
| 05-30 19:21 | 20m | +13 / - | RA3ZH | - / -14 | 5 | Partial |
| 05-30 19:16 | 20m | -11 / - | UA4FKT | - / -14 | 5 | ✓ Confirmed |
| 05-30 19:06 | 20m | - / -6 | Z62NS | -19 / - | 3 | Partial |
| 05-27 08:26 | 10m | -12 / - | UN7FHC | - / -24 | 2 | ✓ Confirmed |
| 05-26 20:07 | 20m | -2 / - | RZ4AZ | - / -13 | 3 | ✓ Confirmed |
| 05-22 20:50 | 20m | +7 / - | 9A5TW | - / -15 | 3 | Partial |
| 05-22 20:50 | 20m | -1 / - | EA7ALL | - / - | 3 | Partial |
| 05-21 19:37 | 20m | - / -14 | FK8GX | -22 / - | 2 | Partial |
| 05-20 20:52 | 20m | -8 / - | 7Z1FV | - / -17 | 2 | ✓ Confirmed |
| 05-19 20:14 | 20m | 0 / - | 4X1UF | - / -12 | 2 | ✓ Confirmed |
| 05-15 19:27 | 40m | +3 / - | OM7JG | - / -25 | 3 | ✓ Confirmed |
| 05-14 20:46 | 20m | -16 / - | 9A5WA | - / -12 | 2 | ✓ Confirmed |
| 05-13 21:48 | 20m | - / -15 | A93MO | -10 / - | 3 | Partial |
| 05-12 22:06 | 20m | - / -12 | 9H4JX | -15 / - | 5 | Partial |
| 05-12 21:43 | 20m | - / -10 | 9H4JX | -16 / - | 3 | Partial |
| 05-12 21:18 | 20m | +15 / - | EA8UP | - / -11 | 3 | Partial |
| 05-11 20:46 | 20m | -2 / - | 4X1UF | - / -11 | 2 | ✓ Confirmed |
| 05-09 21:12 | 20m | +12 / - | EA3EQS | - / -12 | 3 | ✓ Confirmed |
| 05-08 21:21 | 20m | - / -15 | SV9KNA | -12 / - | 2 | Partial |
| 05-03 20:45 | 20m | - / -13 | EA8BYZ | -13 / - | 2 | Partial |
| 05-03 06:33 | 10m | -13 / - | A61CK | - / -15 | 7 | Partial |
| 04-28 22:18 | 20m | - / -16 | A61SD | -14 / - | 2 | Partial |
| 04-26 21:51 | 20m | -5 / - | A71UN | - / -15 | 2 | Partial |
| 04-24 21:46 | 20m | +17 / - | EA8UP | - / -17 | 8 | Partial |
| 04-23 09:10 | 10m | -16 / - | <...> | - / -10 | 2 | Partial |
| 04-21 21:13 | 20m | -5 / - | 8Q7PR | - / -21 | 2 | ✓ Confirmed |
Station Log
10m
UTC dB Freq Message 063315 -13 906 JA5DKJ A61CK R-15 (x7) 081930 -22 1786 JA5DKJ E70Z -24 082330 -4 343 JA5DKJ <...> R-19 082600 -13 1339 JA5DKJ UN7FHC R-24 (x2) 083315 -11 1413 JA5DKJ 9A2G R-06 114100 -9 1510 JA5DKJ UT7IF R-13 (x3)
20m
UTC dB Freq Message 213715 -22 1975 IS0KNG JA5DKJ -14 (x4) 203330 -23 2344 CX1AR JA5DKJ -16 (x2) 204230 -10 1261 JA5DKJ 4Z1KO R-19 (x4) 224030 -12 1687 JA5DKJ JY5IB R-13 (x2) 210800 -1 472 JA5DKJ 4L7T R-18 (x3)
40m
UTC dB Freq Message 192700 +4 1635 JA5DKJ OM7JG R-25 (x3)