JA9RRH — FT8 station from Japan
Amateur radio station JA9RRH operating from Japan. 65 FT8 spots received at SO8OO WebSDR, active on 160m, 80m, 40m, 20m, over 10 days, best SNR +27 dB. Heard between 2026-04-21 and 2026-05-12.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
65
Total spots
0
CQ calls
10
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
160m
First seen: 2026-04-21
Last seen: 2026-05-12 15:04 UTC
Last seen: 2026-05-12 15:04 UTC
Frequent QSO partners observed at SO8OO
Stations JA9RRH worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA9RRH | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-12 17:04 | 20m | +16 / - | OH3OJ | - / -10 | 2 | Partial |
| 05-12 16:58 | 20m | -11 / - | F5PBG | - / - | 3 | Partial |
| 05-12 16:57 | 20m | +6 / - | ON6AA | - / - | 2 | ✓ Confirmed |
| 05-05 20:46 | 40m | -12 / - | OK1VAW | - / -16 | 3 | Partial |
| 05-05 20:38 | 40m | -10 / - | D2UY | - / -19 | 4 | ✓ Confirmed |
| 05-03 21:33 | 20m | - / - | EA1AF | -8 / - | 8 | Partial |
| 05-03 21:28 | 20m | - / -24 | ZB2JK | -14 / - | 4 | ✓ Confirmed |
| 05-03 21:07 | 20m | +7 / - | CT2GFJ | - / -10 | 4 | ✓ Confirmed |
| 05-03 21:03 | 20m | +18 / - | F5UKW | - / -7 | 4 | Partial |
| 05-01 19:11 | 160m | -12 / - | R9JX | - / -21 | 2 | ✓ Confirmed |
| 04-28 18:57 | 80m | -6 / - | OH1LA | - / -19 | 9 | ✓ Confirmed |
| 04-28 18:53 | 80m | +14 / - | 9A5TW | - / - | 2 | Partial |
| 04-28 18:45 | 80m | +16 / - | 9A5TW | - / - | 2 | Partial |
| 04-28 18:24 | 80m | +26 / - | 9A5TW | - / - | 2 | Partial |
| 04-23 17:16 | 80m | -13 / - | RX3DRC | - / -17 | 2 | ✓ Confirmed |
| 04-23 17:14 | 80m | +2 / - | UA3D | - / -17 | 2 | Partial |
| 04-23 16:59 | 80m | -6 / - | RG5G | - / -16 | 2 | ✓ Confirmed |
| 04-23 16:55 | 80m | -2 / - | RK4FD | - / -20 | 5 | ✓ Confirmed |
| 04-23 16:26 | 80m | -4 / - | R40CHA | - / -12 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 213430 -10 1228 EA1AF JA9RRH PM87 (x5) 165715 +7 2762 JA9RRH ON6AA JO11 165815 -13 2588 JA9RRH F5PBG IN78 165815 +6 2762 JA9RRH ON6AA 73 165845 -10 2588 JA9RRH F5PBG IN78 165945 -20 1520 JA9RRH R4FDW -07 165945 -10 2588 JA9RRH F5PBG IN78 170245 -21 1641 JA9RRH EC3A -14 170315 -20 2113 JA9RRH PD1GOL JO21 170415 +14 375 JA9RRH OH3OJ -10 (x2)
40m
UTC dB Freq Message 213815 -13 564 JA9RRH ZS1J RR73 203800 -11 1657 JA9RRH D2UY -19 (x4) 204600 -12 2983 JA9RRH OK1VAW -16 (x3)
160m
UTC dB Freq Message 191145 -11 295 JA9RRH R9JX -21 (x2)
80m
UTC dB Freq Message 184430 -14 2740 JA9RRH R9OOF -12 184530 +12 2307 JA9RRH 9A5TW JN75 (x5) 185745 -4 1260 JA9RRH OH1LA -19 (x9)