JA8JAK — FT8 station from Japan
Amateur radio station JA8JAK operating from Japan (grid square JO01). 81 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 10 days, best SNR +21 dB. Heard between 2026-04-23 and 2026-05-14.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
81
Total spots
0
CQ calls
10
Days active
+2 dB
Avg SNR
Bands
20m
40m
First seen: 2026-04-23
Last seen: 2026-05-14 17:34 UTC
Last seen: 2026-05-14 17:34 UTC
Frequent QSO partners observed at SO8OO
Stations JA8JAK worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA8JAK | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-14 19:32 | 20m | -14 / - | M8KKH | - / - | 4 | Partial |
| 05-14 19:24 | 20m | +17 / - | M0BCT | - / -10 | 2 | ✓ Confirmed |
| 05-14 19:20 | 20m | -4 / - | MM9ODX | - / -13 | 2 | ✓ Confirmed |
| 05-14 19:04 | 20m | +4 / - | CT1DZY | - / - | 2 | Partial |
| 05-14 18:58 | 20m | -19 / - | HB9ISV | - / - | 2 | Partial |
| 05-14 18:57 | 20m | +5 / - | F4FLF | - / -24 | 6 | ✓ Confirmed |
| 05-13 10:23 | 20m | +4 / - | OR7K | - / -11 | 2 | ✓ Confirmed |
| 05-10 20:48 | 20m | - / -6 | VR2VAZ | -10 / - | 2 | ✓ Confirmed |
| 05-10 20:47 | 20m | - / -11 | OE6FEF | -8 / - | 2 | ✓ Confirmed |
| 05-09 19:27 | 20m | - / -10 | IK6WDY | -4 / - | 4 | ✓ Confirmed |
| 05-09 19:23 | 20m | - / - | A92AE | -4 / - | 2 | Partial |
| 05-09 19:22 | 20m | +12 / -15 | F4VVJ | 0 / - | 3 | ✓ Verified |
| 05-06 19:45 | 20m | - / -12 | TA1CCM | -8 / - | 2 | Partial |
| 05-06 18:18 | 20m | -6 / - | SV1MOZ | - / -8 | 5 | Partial |
| 05-03 19:43 | 20m | - / -5 | SP6FME | -13 / - | 2 | ✓ Confirmed |
| 05-03 19:39 | 20m | +2 / -12 | 4L3YL | -10 / -4 | 6 | ✓ Complete |
| 05-03 19:34 | 20m | +12 / -9 | G0ABI | -11 / -25 | 24 | ✓ Complete |
| 05-03 19:34 | 20m | +17 / -6 | F5UKW | -3 / -15 | 6 | ✓ Complete |
| 05-03 19:32 | 20m | -2 / -10 | IT9ZIR | -6 / -12 | 5 | ✓ Complete |
| 05-03 19:23 | 20m | - / -12 | LY4AB | -4 / - | 2 | ✓ Confirmed |
| 04-30 19:41 | 20m | +8 / - | IZ8FEX | - / -16 | 2 | ✓ Confirmed |
| 04-28 20:13 | 20m | - / - | DL2YAJ | -17 / - | 2 | ✓ Confirmed |
| 04-28 20:11 | 20m | - / -9 | DD3DJ | -12 / - | 2 | Partial |
| 04-28 20:10 | 20m | - / -13 | OH2JIZ | -14 / - | 2 | ✓ Confirmed |
| 04-28 20:09 | 20m | - / -12 | PA2CV | -14 / - | 2 | ✓ Confirmed |
| 04-28 20:07 | 20m | - / -6 | PD0DEX | -15 / - | 3 | ✓ Confirmed |
| 04-27 20:46 | 20m | -24 / -14 | CN8NY | -8 / -9 | 3 | ✓ Complete |
| 04-27 20:07 | 40m | +2 / - | YP1ZMR | - / -20 | 2 | ✓ Confirmed |
| 04-26 19:30 | 40m | -2 / - | UW5KW | - / - | 3 | Partial |
| 04-26 19:29 | 40m | +8 / - | YO4DW | - / -18 | 2 | ✓ Confirmed |
| 04-26 19:26 | 40m | +2 / - | TA7MMI | - / -9 | 2 | ✓ Confirmed |
| 04-25 19:53 | 20m | - / -11 | R2BQM | -10 / - | 2 | Partial |
| 04-25 19:52 | 20m | - / -14 | F4EAR | -6 / - | 2 | ✓ Confirmed |
| 04-23 18:33 | 20m | - / -16 | M9OOS | -10 / - | 3 | Partial |
| 04-23 18:31 | 20m | - / -11 | PD0PHA | -10 / - | 2 | ✓ Confirmed |
| 04-23 18:29 | 20m | -9 / - | SQ7EQB | -10 / -6 | 3 | ✓ Verified |
| 04-23 18:28 | 20m | - / -11 | I6PJC | -12 / - | 2 | ✓ Confirmed |
| 04-23 18:26 | 20m | - / -14 | IS0UDF | -10 / - | 2 | ✓ Confirmed |
| 04-23 18:24 | 20m | - / -8 | OK1UME | -10 / - | 2 | Partial |
| 04-23 18:22 | 20m | - / -13 | PD0DDA | -12 / - | 2 | ✓ Confirmed |
| 04-23 18:21 | 20m | - / -10 | BH5HIE | -10 / - | 2 | ✓ Confirmed |
| 04-23 18:19 | 20m | +4 / -6 | EB3JT | -13 / -11 | 5 | ✓ Complete |
| 04-23 18:18 | 20m | - / +1 | BD6JJP | -6 / - | 2 | ✓ Confirmed |
| 04-23 18:16 | 20m | - / -11 | R2FCT | -8 / - | 2 | ✓ Confirmed |
| 04-23 18:15 | 20m | - / -8 | IU7TVA | -8 / - | 4 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 185930 -19 1623 JA8JAK HB9ISV JN47 185930 +0 2918 JA8JAK F4FLF R-24 (x2) 190400 +2 2523 JA8JAK CT1DZY IN51 190400 +1 2754 JA8JAK M8DBS -12 190430 +6 2522 JA8JAK CT1DZY IN51 192045 -2 2980 JA8JAK MM9ODX -13 (x2) 192415 +20 2721 JA8JAK M0BCT -10 (x2) 192615 -14 2196 JA8JAK G7RAU -07 193230 -9 1578 JA8JAK M8KKH JO01 (x4)
40m
UTC dB Freq Message 192615 +3 1469 JA8JAK TA7MMI -09 (x2) 192930 +7 539 JA8JAK YO4DW -18 (x2) 193030 -2 2060 JA8JAK UW5KW KO30 (x3) 200745 +3 1608 JA8JAK YP1ZMR -20 (x2)