JE1CSW — FT8 station from Japan
Amateur radio station JE1CSW operating from Japan. 82 FT8 spots received at SO8OO WebSDR, active on 60m, 40m, 20m, 10m, over 21 days, best SNR +16 dB. Heard between 2026-04-22 and 2026-06-23.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
82
Total spots
0
CQ calls
21
Days active
-3 dB
Avg SNR
Bands
20m
60m
10m
40m
First seen: 2026-04-22
Last seen: 2026-06-23 19:39 UTC
Last seen: 2026-06-23 19:39 UTC
Frequent QSO partners observed at SO8OO
Stations JE1CSW worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JE1CSW | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-18 19:15 | 40m | 0 / - | IT9PQU | - / - | 4 | Partial |
| 06-18 19:13 | 40m | +5 / - | 9K2HN | - / -10 | 2 | ✓ Confirmed |
| 06-17 22:52 | 20m | -2 / - | TJ1GD/P | - / -12 | 2 | ✓ Confirmed |
| 06-13 14:22 | 10m | -5 / - | D2UY | - / -3 | 2 | ✓ Confirmed |
| 06-12 20:30 | 60m | 0 / - | DL5DQZ | - / -2 | 6 | Partial |
| 06-11 00:28 | 20m | -2 / - | 9X5KM | - / -6 | 3 | Partial |
| 06-10 19:43 | 20m | - / - | 7Z1CZ | -2 / - | 5 | Partial |
| 06-10 19:39 | 20m | -2 / -16 | OD5UI | -6 / -6 | 4 | ✓ Complete |
| 06-10 19:36 | 20m | -8 / -17 | 9K2ET | -9 / -3 | 7 | ✓ Complete |
| 06-10 19:31 | 20m | - / -19 | SV9/PD9VOG | -6 / - | 2 | Partial |
| 06-10 19:28 | 20m | - / - | <...> | -7 / - | 6 | Partial |
| 06-10 19:24 | 20m | - / - | <...> | -7 / - | 3 | Partial |
| 06-10 19:16 | 20m | 0 / - | LY4AA | - / - | 4 | Partial |
| 06-10 19:15 | 20m | +13 / - | SV9/PD9VOG | - / -14 | 4 | Partial |
| 06-02 14:22 | 10m | -14 / - | 7Q8AK | - / -2 | 2 | ✓ Confirmed |
| 05-30 20:26 | 20m | - / -20 | E77TH | -10 / - | 3 | ✓ Confirmed |
| 05-30 14:52 | 40m | -20 / - | IU3BTF | - / - | 3 | Partial |
| 05-25 22:18 | 20m | -10 / - | A61FJ | - / +3 | 3 | ✓ Confirmed |
| 05-20 19:45 | 20m | - / - | 7Z1CE | -7 / - | 3 | Partial |
| 05-20 19:36 | 20m | +2 / - | 4Z1GY | - / - | 3 | Partial |
| 05-20 19:34 | 20m | -12 / - | DL3MIB | - / - | 4 | Partial |
| 05-20 19:32 | 20m | - / -5 | 7Z1DS | -12 / - | 4 | ✓ Confirmed |
| 05-20 19:24 | 20m | - / -17 | RN2FQ | +1 / - | 2 | ✓ Confirmed |
| 05-20 19:24 | 20m | -10 / - | F5RRS | - / - | 4 | Partial |
| 05-20 19:21 | 20m | 0 / -13 | 4O4DB | +1 / - | 8 | ✓ Verified |
| 05-20 19:18 | 20m | +4 / -13 | T77RN | -4 / -1 | 3 | ✓ Complete |
| 05-20 18:07 | 20m | -2 / -20 | 7Z1FV | -13 / -3 | 11 | ✓ Complete |
| 05-14 21:41 | 20m | - / - | TF8KW | -2 / - | 2 | Partial |
| 05-14 19:06 | 40m | -8 / - | F5AUB | - / - | 3 | Partial |
| 05-09 22:40 | 20m | +5 / - | GW8DX | -9 / - | 2 | Partial |
| 05-03 21:49 | 20m | - / - | ZB2JK | +1 / - | 2 | Partial |
| 05-03 21:48 | 20m | +4 / -23 | 4L7T | -2 / - | 3 | ✓ Verified |
| 04-26 07:47 | 20m | 0 / - | MI9PBM | - / -24 | 2 | ✓ Confirmed |
| 04-26 07:46 | 20m | -6 / - | ON6AA | - / - | 2 | Partial |
| 04-26 06:51 | 10m | 0 / - | A71AT | - / -5 | 2 | Partial |
| 04-24 06:46 | 20m | +16 / - | F6DZU | - / -11 | 2 | ✓ Confirmed |
| 04-22 21:58 | 20m | +6 / - | EA8UP | - / -13 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 194000 -2 2453 JE1CSW OD5UI -06 194015 -6 247 OD5UI JE1CSW R-16 194030 -2 2453 JE1CSW OD5UI RR73 194345 -6 247 7Z1CZ JE1CSW PM96 (x5) 002800 -2 2069 JE1CSW 9X5KM -06 (x3) 214745 -14 842 TJ1GD/P JE1CSW PM96 225230 -1 706 JE1CSW TJ1GD/P -12 (x2) 213930 -5 620 JE1CSW SV9TRN +02
40m
UTC dB Freq Message 190645 -7 1832 JE1CSW F5AUB JN13 (x3) 145245 -20 1791 JE1CSW IU3BTF JN65 (x3) 191345 +5 1576 JE1CSW 9K2HN -10 (x2) 191545 +0 2728 JE1CSW IT9PQU JM77 (x4)
10m
UTC dB Freq Message 065145 -3 1064 JE1CSW A71AT -05 (x2) 153430 -13 1762 JE1CSW 7Q6UJ -12 104930 -6 1393 JE1CSW 7Q3AM +03 142200 -14 2275 JE1CSW 7Q8AK -02 (x2) 132300 -15 529 JE1CSW 5H1KB -11 132330 -11 529 JE1CSW RR73; OZ5JLH <...> -16 123615 -14 1043 JE1CSW A60PC/5 -08 142200 -6 1937 JE1CSW D2UY -03 (x2)
60m
UTC dB Freq Message 203030 +2 783 JE1CSW DL5DQZ JO61 (x6)