JI3CWI — FT8 station from Japan
Amateur radio station JI3CWI operating from Japan. 86 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 24 days, best SNR +23 dB. Heard between 2026-04-23 and 2026-07-07.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
86
Total spots
0
CQ calls
24
Days active
-4 dB
Avg SNR
Bands
20m
40m
10m
First seen: 2026-04-23
Last seen: 2026-07-07 15:13 UTC
Last seen: 2026-07-07 15:13 UTC
Frequent QSO partners observed at SO8OO
Stations JI3CWI worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JI3CWI | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-06 17:46 | 20m | -16 / - | ON8BB | - / - | 2 | Partial |
| 06-24 20:30 | 20m | 0 / - | IU4RWW | - / - | 4 | Partial |
| 06-16 16:47 | 20m | - / -13 | <...> | -11 / - | 5 | Partial |
| 06-13 12:18 | 10m | -6 / - | 7Q3CM | - / -18 | 2 | ✓ Confirmed |
| 06-08 17:41 | 20m | - / - | IQ9NI | -2 / - | 4 | Partial |
| 06-08 17:39 | 20m | - / - | HA1BF | -2 / - | 2 | Partial |
| 06-08 17:36 | 20m | -6 / -12 | E79KO | 0 / -16 | 5 | ✓ Complete |
| 06-08 17:32 | 20m | - / -19 | IQ9BF | -2 / - | 3 | ✓ Confirmed |
| 06-08 17:30 | 20m | -8 / -11 | TA4INO | 0 / -14 | 5 | ✓ Complete |
| 06-08 17:27 | 20m | - / - | TA3MPK | -1 / - | 3 | Partial |
| 06-05 20:34 | 20m | - / -10 | A92AE | 0 / - | 9 | ✓ Confirmed |
| 06-04 13:03 | 10m | -6 / - | 7Z1DR | - / -10 | 2 | ✓ Confirmed |
| 06-03 13:17 | 10m | -4 / - | 5H1KB | - / -14 | 2 | ✓ Confirmed |
| 05-31 11:03 | 20m | -3 / - | UA3ZQN | - / - | 3 | Partial |
| 05-22 18:17 | 20m | -15 / -10 | EA4CTP | -4 / - | 5 | ✓ Verified |
| 05-22 18:16 | 20m | +16 / - | OE3SKB | - / - | 7 | Partial |
| 05-22 18:15 | 20m | 0 / - | ON7DJ | - / -6 | 3 | ✓ Confirmed |
| 05-22 18:14 | 20m | -4 / - | OE9GWV | - / - | 2 | Partial |
| 05-22 18:13 | 20m | -4 / - | EA1CQ | - / - | 2 | Partial |
| 05-22 18:13 | 20m | -5 / - | OZ8P | - / - | 2 | Partial |
| 05-22 18:10 | 20m | -10 / -15 | PD1ADA | -8 / -13 | 8 | Partial |
| 05-22 18:07 | 20m | - / -16 | DK6WS | -7 / - | 3 | ✓ Confirmed |
| 05-20 18:17 | 20m | -15 / - | PD0JOY | - / -16 | 5 | Partial |
| 05-20 18:16 | 20m | - / -8 | OM0RX | -10 / - | 2 | ✓ Confirmed |
| 05-20 18:15 | 20m | - / -9 | OE3UKW | -10 / - | 2 | ✓ Confirmed |
| 05-20 18:11 | 20m | - / -10 | DL1API | -10 / - | 3 | ✓ Confirmed |
| 05-20 18:03 | 20m | - / -13 | OS4K | -9 / - | 3 | Partial |
| 05-18 14:46 | 20m | -11 / - | HB9TIH | - / - | 4 | Partial |
| 05-18 14:36 | 20m | - / - | W7LDE | -10 / - | 2 | Partial |
| 05-15 19:31 | 40m | +8 / - | Z38DX | - / -6 | 2 | Partial |
| 05-15 14:46 | 20m | - / - | XV5DH | -15 / - | 6 | Partial |
| 05-11 15:47 | 20m | -16 / - | OD5ZF | - / -18 | 2 | Partial |
| 05-01 22:57 | 20m | +8 / - | AU2M | - / -12 | 2 | ✓ Confirmed |
| 04-30 16:33 | 20m | +2 / - | SV1JSM | - / - | 4 | Partial |
| 04-30 16:33 | 20m | - / - | <...> | -12 / - | 2 | Partial |
| 04-30 16:04 | 20m | - / - | A92AE | -13 / - | 2 | Partial |
| 04-28 12:38 | 10m | -14 / - | 7Q9JM | - / -12 | 3 | Partial |
| 04-27 15:32 | 20m | -6 / -18 | HB9BWE | -11 / -8 | 3 | Partial |
Station Log
20m
UTC dB Freq Message 164845 -12 276 <...> JI3CWI PM74 (x2) 203000 -1 381 JI3CWI IU4RWW JN54 (x4) 182600 +3 477 JI3CWI M8KKH JO01 174145 +3 421 JI3CWI IV3KZF RR73 174545 -4 1664 JI3CWI DL6LAG RR73 174615 -18 2402 JI3CWI ON8BB JO21 (x2) 174900 -9 2922 JI3CWI HB9RYB RR73 175045 -15 1830 JI3CWI <...> -06 175215 -13 2403 JI3CWI ON8BB JO21 171330 +7 485 JI3CWI SV9/PD9VOG -12
10m
UTC dB Freq Message 123830 -13 1710 JI3CWI 7Q9JM -12 (x3) 141100 -18 2275 JI3CWI 7Q9PTP RR73 131700 -2 529 JI3CWI 5H1KB -14 (x2) 130315 -10 813 JI3CWI 7Z1DR -10 (x2) 121800 -7 1889 JI3CWI 7Q3CM -18 (x2)
40m
UTC dB Freq Message 193145 +8 1179 JI3CWI Z38DX -06 (x2)