JA9FFS — FT8 station from Japan
Amateur radio station JA9FFS operating from Japan (grid square JN18). 67 FT8 spots received at SO8OO WebSDR, 17 CQ calls, active on 20m, 10m, over 9 days, best SNR +17 dB. Heard between 2026-04-23 and 2026-05-12.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
67
Total spots
17
CQ calls
9
Days active
-4 dB
Avg SNR
Bands
20m
10m
First seen: 2026-04-23
Last seen: 2026-05-12 06:51 UTC
Last seen: 2026-05-12 06:51 UTC
Frequent QSO partners observed at SO8OO
Stations JA9FFS worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA9FFS | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-12 08:51 | 20m | 0 / - | F5CCX | - / - | 2 | Partial |
| 05-11 20:40 | 20m | -1 / -15 | CR7BRV | -20 / -14 | 3 | ✓ Complete |
| 05-11 20:35 | 20m | - / -14 | PA3R | -10 / - | 3 | ✓ Confirmed |
| 05-11 20:31 | 20m | -19 / -9 | F5TLZ | -17 / -2 | 2 | Partial |
| 05-11 20:31 | 20m | -8 / - | LA9SDA | -15 / -21 | 4 | ✓ Verified |
| 05-11 20:28 | 20m | - / -13 | N0SZ | -18 / - | 2 | ✓ Confirmed |
| 05-11 20:07 | 20m | +2 / -11 | F4NGC | -3 / - | 5 | Partial |
| 05-10 21:21 | 20m | +5 / -12 | EA5FAY | -8 / - | 6 | ✓ Complete |
| 05-10 21:12 | 20m | - / -18 | DL6RS | -3 / - | 5 | ✓ Confirmed |
| 05-10 21:11 | 20m | - / -11 | SH6KBL | -2 / - | 2 | ✓ Confirmed |
| 05-10 21:06 | 20m | - / -8 | DF7EF | -8 / - | 2 | ✓ Confirmed |
| 05-10 20:58 | 20m | +9 / - | EA4DM | - / -21 | 3 | ✓ Confirmed |
| 05-10 20:58 | 20m | -8 / - | F1GIW | - / -6 | 3 | ✓ Confirmed |
| 05-10 20:52 | 20m | +6 / - | CT7AXN | - / -10 | 2 | ✓ Confirmed |
| 05-10 20:39 | 20m | - / -10 | OK1FAN | -3 / - | 2 | ✓ Confirmed |
| 05-10 20:36 | 20m | +8 / -9 | SV9TLU | +3 / -6 | 5 | ✓ Complete |
| 05-07 22:32 | 20m | -10 / - | A61DD | - / -12 | 2 | ✓ Confirmed |
| 05-06 13:07 | 20m | +2 / - | R4FDD | - / - | 4 | Partial |
| 05-06 13:03 | 20m | -14 / - | R7OV | - / - | 3 | Partial |
| 05-02 13:49 | 10m | -8 / - | ZS1TAF | - / -2 | 2 | ✓ Confirmed |
| 04-23 12:06 | 20m | +4 / -6 | RW4HCU | -16 / -6 | 4 | ✓ Complete |
| 04-23 12:01 | 20m | - / -8 | K2TQC | -17 / - | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 203415 -17 2150 CQ JA9FFS PM86 203445 -13 2150 IU6UAE JA9FFS -16 203545 -9 2150 PA3R JA9FFS -14 (x3) 203715 -9 2150 CQ JA9FFS PM86 203800 -5 2150 JA9FFS EA1EE IN53 203815 -14 2150 SV2JU JA9FFS -05 204045 -20 2151 CR7BRV JA9FFS -15 204100 +2 1043 JA9FFS CR7BRV R-14 (x2) 204430 -3 1077 JA9FFS EA5FDA IM97 085100 +1 1142 JA9FFS F5CCX JN18 (x2) 113745 -21 210 TF4WD JA9FFS PM86
10m
UTC dB Freq Message 080730 -11 828 JA9FFS A61OK -17 132815 -5 2677 JA9FFS ZS1A -06 134915 -8 900 JA9FFS ZS1TAF -02 (x2)