JI4JKO — FT8 station from Japan
Amateur radio station JI4JKO operating from Japan. 387 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 27 days, best SNR +22 dB. Heard between 2026-06-08 and 2026-07-25.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
387
Total spots
0
CQ calls
27
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-06-08
Last seen: 2026-07-25 17:57 UTC
Last seen: 2026-07-25 17:57 UTC
Frequent QSO partners observed at SO8OO
Stations JI4JKO worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JI4JKO | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-25 19:55 | 40m | +1 / - | LZ2INP | - / -12 | 5 | ✓ Confirmed |
| 07-25 19:53 | 40m | -6 / - | ON6AA | - / -13 | 2 | ✓ Confirmed |
| 07-17 20:32 | 40m | -6 / - | R6LPF | - / - | 2 | Partial |
| 07-17 20:27 | 40m | -8 / - | OK4SD | - / -12 | 5 | ✓ Confirmed |
| 07-16 22:07 | 20m | -12 / - | PY7XC | - / -11 | 2 | ✓ Confirmed |
| 07-16 20:21 | 40m | -2 / - | OE3PBS | - / -14 | 2 | ✓ Confirmed |
| 07-16 20:17 | 80m | +5 / - | RX6DA | - / - | 5 | Partial |
| 07-16 20:09 | 80m | -4 / - | RO2X | - / - | 3 | Partial |
| 07-16 20:00 | 80m | +8 / - | R3HH | - / - | 2 | Partial |
| 07-16 20:00 | 80m | +5 / - | UT3UZ | - / -12 | 2 | ✓ Confirmed |
| 07-16 19:58 | 80m | -16 / - | SV1ENG | - / -8 | 2 | ✓ Confirmed |
| 07-15 20:01 | 40m | -14 / - | R3XBS | - / -8 | 3 | ✓ Confirmed |
| 07-15 19:56 | 40m | -1 / - | 9A4ZM | - / -8 | 3 | ✓ Confirmed |
| 07-15 19:50 | 40m | -6 / - | HG8IT | - / -10 | 2 | ✓ Confirmed |
| 07-15 19:48 | 40m | -12 / - | EW2ZC | - / -14 | 2 | ✓ Confirmed |
| 07-15 19:42 | 40m | -16 / - | R4FV | - / -11 | 2 | Partial |
| 07-15 19:41 | 40m | -3 / - | HG8LXL | - / -15 | 2 | ✓ Confirmed |
| 07-14 17:07 | 20m | -2 / - | EA7ALL | - / - | 5 | ✓ Confirmed |
| 07-13 19:11 | 40m | -8 / - | RW3QU | - / - | 3 | Partial |
| 07-13 19:09 | 40m | -12 / - | I6PJC | - / -8 | 3 | Partial |
| 07-13 18:59 | 40m | -22 / - | PD0MNO | - / -19 | 2 | Partial |
| 07-13 18:59 | 40m | -10 / - | 9A9TT | - / -14 | 2 | ✓ Confirmed |
| 07-13 18:56 | 40m | -12 / - | LY8O | - / -5 | 2 | ✓ Confirmed |
| 07-13 18:53 | 40m | -8 / - | UB3DRL | - / -8 | 2 | Partial |
| 07-10 20:42 | 40m | -5 / - | UA3AVY | - / - | 3 | Partial |
| 07-10 20:41 | 40m | -12 / - | R6OK | - / - | 2 | ✓ Confirmed |
| 07-10 20:06 | 80m | -8 / - | UA6AAW | - / -13 | 3 | ✓ Confirmed |
| 07-10 20:03 | 80m | -2 / - | SV8JE | - / -13 | 3 | ✓ Confirmed |
| 07-10 19:53 | 80m | +8 / - | UA4FKT | - / -4 | 3 | ✓ Confirmed |
| 07-10 19:52 | 80m | +1 / -23 | IW7DVM | -20 / -16 | 4 | ✓ Complete |
| 07-10 19:48 | 80m | -3 / - | IW7DVM | - / -18 | 3 | Partial |
| 07-08 21:57 | 80m | +12 / - | 9A4ZM | - / - | 3 | Partial |
| 07-08 19:17 | 80m | -15 / - | UA3SAO | - / -17 | 3 | Partial |
| 07-08 19:06 | 80m | 0 / - | A71QQ | - / -14 | 2 | ✓ Confirmed |
| 07-08 18:04 | 20m | -7 / - | DL9KM | -16 / -6 | 4 | ✓ Verified |
| 07-08 18:01 | 20m | -2 / - | EA3FP | - / -10 | 3 | ✓ Confirmed |
| 07-08 17:06 | 40m | -10 / - | LZ2SPD | - / -9 | 2 | Partial |
| 07-08 17:06 | 40m | -10 / - | RK6MC | - / -4 | 2 | Partial |
| 07-08 17:00 | 40m | -15 / - | R7DX | - / -26 | 8 | Partial |
| 07-08 16:58 | 40m | +7 / - | OE3KLU | - / -12 | 3 | ✓ Confirmed |
| 07-08 16:56 | 40m | -6 / - | EW8FG | - / -11 | 2 | ✓ Confirmed |
| 07-05 20:56 | 20m | -3 / - | F5NNN | - / - | 4 | Partial |
| 07-05 20:54 | 20m | -11 / - | IK1LZF | - / - | 2 | ✓ Confirmed |
| 07-05 20:39 | 20m | - / - | CN2DX | -18 / - | 2 | ✓ Confirmed |
| 07-02 20:24 | 40m | -9 / - | DL3MIB | - / -11 | 8 | Partial |
| 07-02 19:43 | 80m | +18 / - | SQ9DDY | - / - | 3 | Partial |
| 07-02 19:42 | 80m | -8 / -13 | 4Z5AV | -13 / -15 | 5 | ✓ Complete |
| 07-02 19:40 | 80m | +6 / - | RC6OD | - / - | 2 | Partial |
| 07-02 19:40 | 80m | +8 / - | RK6MC | - / - | 3 | Partial |
| 07-02 19:39 | 80m | 0 / - | RA6ZD | - / -18 | 2 | Partial |
Station Log
20m
UTC dB Freq Message 180415 -6 1350 JI4JKO DL9KM JN68 (x3) 180600 -16 2525 DL9KM JI4JKO RR73 180845 -14 2525 CE3TSK JI4JKO PM64 170700 +4 2270 JI4JKO EA7ALL IM88 (x5) 213130 -20 2094 JI4JKO YO4DWD -12 213300 -12 748 JI4JKO IU5HIU JN53 220745 -10 1182 JI4JKO PY7XC -11 (x2) 204145 -12 2540 OZ0QF JI4JKO PM64
40m
UTC dB Freq Message 202815 -10 2364 JI4JKO OK4SD JN79 (x4) 203045 -13 2196 JI4JKO R3BDQ -08 203045 -11 1766 JI4JKO YO6LM -03 203230 -8 2533 JI4JKO R6LPF KN97 (x2) 195330 -8 1989 JI4JKO ON6AA -13 (x2) 195500 +0 2840 JI4JKO LZ2INP KN34 (x5)
80m
UTC dB Freq Message 200015 +7 1102 JI4JKO UT3UZ -12 200045 +6 664 JI4JKO R3HH KO95 200045 +3 1102 JI4JKO UT3UZ RR73 200115 +9 664 JI4JKO R3HH KO95 200515 -19 1051 9A3K JI4JKO PM64 200900 -5 2492 JI4JKO RO2X KO74 200900 -14 1656 JI4JKO YO4GIY RR73 200930 -8 1322 JI4JKO RV6AVU KN94 201030 -4 2492 JI4JKO RO2X KO74 (x2) 201730 +5 1321 JI4JKO RX6DA KN85 (x5)
10m
UTC dB Freq Message 102715 -5 2244 JI4JKO 7Z1IS +16 (x2) 092600 -12 580 JI4JKO ZS6MGM -08 (x2) 101100 -1 2890 JI4JKO 5H1KB RR73 091100 +7 1081 JI4JKO 7Q5MP RR73 093700 -21 1730 JI4JKO IQ7KM -21 (x2) 085315 +0 828 JI4JKO A71AT -15 (x2)