JS1NDM — FT8 station from Japan
Amateur radio station JS1NDM operating from Japan (grid square JO31). 72 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 12 days, best SNR +10 dB. Heard between 2026-05-02 and 2026-07-23.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
72
Total spots
0
CQ calls
12
Days active
-6 dB
Avg SNR
Bands
40m
20m
10m
First seen: 2026-05-02
Last seen: 2026-07-23 18:19 UTC
Last seen: 2026-07-23 18:19 UTC
Frequent QSO partners observed at SO8OO
Stations JS1NDM worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JS1NDM | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-23 20:15 | 40m | -2 / - | F4JTM | - / - | 2 | Partial |
| 07-23 20:14 | 40m | -11 / - | DL5EBS | - / - | 6 | Partial |
| 07-18 20:28 | 20m | -8 / - | HB0/HB9FXF | - / -15 | 2 | Partial |
| 07-18 20:24 | 20m | -6 / - | F4MUD | - / -17 | 5 | Partial |
| 07-09 20:44 | 20m | -22 / - | <...> | - / -16 | 2 | Partial |
| 07-09 20:42 | 20m | -18 / - | ON6AA | - / - | 2 | ✓ Confirmed |
| 06-27 20:47 | 20m | -14 / - | US5HL | - / -10 | 2 | Partial |
| 06-27 20:29 | 20m | -18 / - | UR1CCO | - / -10 | 2 | Partial |
| 06-25 20:34 | 20m | -14 / - | IQ0VT | - / -10 | 3 | ✓ Confirmed |
| 06-07 06:21 | 10m | -17 / - | FR5ZE | - / +2 | 2 | ✓ Confirmed |
| 06-04 20:19 | 40m | +5 / - | SV8DCY | - / -14 | 2 | ✓ Confirmed |
| 05-23 20:14 | 40m | 0 / - | YO4DW | - / -17 | 3 | Partial |
| 05-16 20:16 | 40m | +6 / - | S52OR | - / -13 | 2 | Partial |
| 05-16 20:16 | 40m | -6 / - | UR9QQ | - / -15 | 4 | Partial |
| 05-16 20:13 | 40m | +4 / - | CT7AIU | - / -23 | 3 | ✓ Confirmed |
| 05-14 20:50 | 20m | -1 / - | TF4M | - / -15 | 3 | ✓ Confirmed |
| 05-14 20:46 | 20m | - / -8 | PA3KUS | -10 / - | 2 | ✓ Confirmed |
| 05-14 20:40 | 20m | +3 / -21 | 4L3YL | -11 / -19 | 5 | ✓ Complete |
| 05-14 20:18 | 40m | -3 / - | IZ4OUL | - / -16 | 3 | Partial |
| 05-12 00:16 | 20m | -4 / - | KG4OJT | - / -15 | 4 | Partial |
| 05-02 20:12 | 40m | -2 / - | AU2M | - / +1 | 2 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 201930 +4 2398 JS1NDM SV8DCY -14 (x2) 200930 -3 796 JS1NDM RY3F -18 201200 -13 274 JS1NDM EG5SJO -17 201400 -12 273 JS1NDM RR73; UT0CK <...> -08 201115 +2 2981 JS1NDM IZ5ILK -12 201415 -13 1021 JS1NDM DL5EBS JO31 (x2) 201515 -4 2875 JS1NDM F4JTM JN39 (x2) 201545 -12 3109 JS1NDM DL5EBS JO31 (x5)
20m
UTC dB Freq Message 204300 -17 2337 JS1NDM 9A60CBM -04 204715 -17 2382 JS1NDM US5HL -10 (x2) 204230 -21 1479 JS1NDM ON6AA JO11 (x2) 204400 -20 1947 JS1NDM <...> -16 (x2) 202430 -3 1902 JS1NDM F4MUD -17 (x5) 202830 -10 2583 JS1NDM HB0/HB9FXF -15 (x2) 204430 -4 1437 JS1NDM E77FN JN93
10m
UTC dB Freq Message 062145 -17 1191 JS1NDM FR5ZE +02 (x2) 062615 -5 2406 JS1NDM 3B9FR -02 063130 -9 396 JS1NDM RR73; SP9MRP <...> -02