JA9CHI — FT8 station from Japan
Amateur radio station JA9CHI operating from Japan. 150 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 39 days, best SNR +18 dB. Heard between 2026-04-23 and 2026-07-10.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
150
Total spots
0
CQ calls
39
Days active
-6 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-23
Last seen: 2026-07-10 18:30 UTC
Last seen: 2026-07-10 18:30 UTC
Frequent QSO partners observed at SO8OO
Stations JA9CHI worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA9CHI | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-08 19:01 | 80m | -8 / - | RW4F | - / -20 | 3 | ✓ Confirmed |
| 07-05 20:57 | 20m | -2 / - | EA3JHT | - / - | 4 | Partial |
| 07-05 20:42 | 20m | - / -20 | TA2CAX | -18 / - | 2 | Partial |
| 07-04 20:52 | 20m | -6 / - | II5WWA | - / -6 | 2 | Partial |
| 06-28 21:01 | 20m | -4 / - | EA3GIW | - / -14 | 2 | ✓ Confirmed |
| 06-28 21:01 | 20m | -13 / - | CT1FIU | - / - | 3 | Partial |
| 06-28 20:39 | 20m | -3 / - | EA3AYQ | - / -12 | 3 | Partial |
| 06-17 11:14 | 20m | -3 / -20 | K4RUM | -9 / -7 | 2 | Partial |
| 06-14 21:09 | 20m | -8 / - | BH4HGH | - / - | 2 | Partial |
| 06-14 21:09 | 20m | -14 / - | HB9VAA | - / - | 3 | Partial |
| 06-14 21:06 | 20m | - / -8 | SP5TZP | -7 / - | 3 | ✓ Confirmed |
| 06-13 21:07 | 20m | - / - | <...> | -9 / - | 6 | Partial |
| 06-13 19:27 | 40m | +4 / - | IU1DOF | - / - | 2 | Partial |
| 06-05 21:26 | 20m | - / - | TA4YD | -8 / - | 4 | Partial |
| 06-05 09:26 | 10m | -3 / - | C91RU | - / -6 | 9 | Partial |
| 06-05 09:18 | 10m | -9 / - | C91RU | - / - | 7 | Partial |
| 06-05 09:12 | 10m | -10 / - | C91RU | - / -1 | 2 | Partial |
| 06-02 21:01 | 20m | - / -18 | HB9RTR | -13 / - | 3 | ✓ Confirmed |
| 06-02 20:49 | 20m | - / - | M0LTA | -9 / - | 5 | Partial |
| 06-02 20:44 | 20m | - / -22 | HB9RTR | -9 / - | 5 | Partial |
| 06-02 20:41 | 20m | -4 / -14 | IU7BQC | -9 / -7 | 7 | ✓ Complete |
| 06-02 20:16 | 20m | -13 / - | BG2EFX | - / +7 | 4 | ✓ Confirmed |
| 06-01 19:09 | 20m | - / - | TA3MPK | -7 / - | 3 | Partial |
| 05-30 20:15 | 20m | - / -17 | PD1LVO | -7 / - | 4 | Partial |
| 05-30 20:14 | 20m | - / - | IT9JFO | -6 / - | 2 | Partial |
| 05-30 20:08 | 20m | - / -18 | OK1PHM | -3 / - | 6 | ✓ Confirmed |
| 05-30 19:58 | 20m | -6 / - | SX1FLY | 0 / -9 | 7 | Partial |
| 05-30 19:56 | 20m | - / -12 | IN3BJS | +1 / - | 3 | ✓ Confirmed |
| 05-30 19:52 | 20m | -13 / -14 | IW0GCA | -2 / -19 | 8 | ✓ Complete |
| 05-30 19:47 | 20m | - / -10 | SQ3MVA | -1 / - | 3 | ✓ Confirmed |
| 05-30 19:32 | 20m | - / - | IU2UDB | -4 / - | 2 | Partial |
| 05-30 19:30 | 20m | - / - | E79AI | -6 / - | 2 | Partial |
| 05-30 19:28 | 20m | - / - | SQ8KJK | -5 / - | 3 | Partial |
| 05-30 19:26 | 20m | - / -8 | BA8BLK | -7 / - | 5 | ✓ Confirmed |
| 05-30 19:24 | 20m | -10 / -1 | Z34K | -8 / - | 2 | Partial |
| 05-30 19:24 | 20m | - / -12 | LU8VB | -10 / - | 2 | ✓ Confirmed |
| 05-30 19:22 | 20m | -11 / -12 | YO3TN | -6 / - | 3 | ✓ Verified |
| 05-30 19:20 | 20m | - / -14 | Z34CMF | -7 / - | 3 | ✓ Confirmed |
| 05-30 19:18 | 20m | - / -11 | SQ9OUM | -11 / - | 3 | ✓ Confirmed |
| 05-28 22:09 | 20m | -8 / - | HZ1TT | - / -9 | 2 | ✓ Confirmed |
| 05-28 10:31 | 10m | - / - | 7Q3AM | -20 / - | 3 | Partial |
| 05-27 22:00 | 20m | - / -12 | IT9IJF | -14 / - | 2 | Partial |
| 05-27 21:55 | 20m | -4 / -12 | 7Z1AL | -8 / -19 | 6 | ✓ Complete |
| 05-27 19:38 | 20m | - / -14 | ZD8KX | -10 / - | 3 | ✓ Confirmed |
| 05-27 19:36 | 20m | - / -16 | BD7PWV | -8 / - | 2 | ✓ Confirmed |
| 05-27 19:34 | 20m | - / -10 | SQ9KWU | -8 / - | 2 | ✓ Confirmed |
| 05-27 19:31 | 20m | - / -13 | IZ6ASI | -8 / - | 3 | Partial |
| 05-27 19:29 | 20m | - / - | YO3WST | -4 / - | 2 | ✓ Confirmed |
| 05-27 19:16 | 20m | - / - | M9LDX | -7 / - | 3 | Partial |
| 05-27 19:14 | 20m | +2 / - | I1FLC | - / -12 | 4 | Partial |
Station Log
20m
UTC dB Freq Message 205215 -4 1172 JA9CHI II5WWA -06 (x2) 204115 -17 1073 MI0OBC JA9CHI PM86 204215 -19 1073 TA2CAX JA9CHI PM86 (x2) 204815 -17 1073 BG5DMC JA9CHI PM86 204845 -17 1073 SP5MIG JA9CHI -15 205715 -1 970 JA9CHI EA3JHT JN01 (x4) 115630 -11 1357 JA9CHI HA1BF -15 (x2) 190615 -5 628 JA9CHI 9H1ES JM75 203045 -10 2525 JA9CHI M7IJS -11
80m
UTC dB Freq Message 203345 -6 2242 JA9CHI SP7NC JO91 (x3) 190145 -7 1286 JA9CHI RW4F -20 (x3)
10m
UTC dB Freq Message 092230 -7 384 JA9CHI C91RU +00 (x11) 092630 -13 2043 JA9CHI ZS5HR RR73 112100 -11 819 JA9CHI 9X5KM -16 120430 -13 819 JA9CHI RR73; JL1DUE <...> +14 105830 -22 1843 JA9CHI 7Q9BK -21
40m
UTC dB Freq Message 204530 -4 2580 JA9CHI IU8TIS -16 (x3) 194700 -10 743 JA9CHI OK/DH7WW/P R-12 194800 +13 2592 JA9CHI IK8UHA JN70 (x3) 192700 +2 642 JA9CHI IU1DOF JN34 (x2) 194415 -1 770 JA9CHI RV6AVU KN94