JA9CHJ — FT8 station from Japan
Amateur radio station JA9CHJ operating from Japan. 21 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, over 7 days, best SNR +20 dB. Heard between 2026-05-13 and 2026-06-27.
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Overview
21
Total spots
0
CQ calls
7
Days active
+3 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-05-13
Last seen: 2026-06-27 18:28 UTC
Last seen: 2026-06-27 18:28 UTC
Frequent QSO partners observed at SO8OO
Stations JA9CHJ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA9CHJ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-27 20:31 | 20m | - / - | A91LD | -10 / - | 2 | Partial |
| 06-27 20:28 | 20m | -5 / -6 | E75AA | -10 / +5 | 5 | ✓ Complete |
| 06-27 20:14 | 20m | +1 / - | US5HL | -5 / -5 | 2 | ✓ Verified |
| 06-27 20:07 | 20m | - / - | A91LD | -6 / - | 3 | Partial |
| 06-20 19:49 | 80m | -7 / - | ZS1J | - / +1 | 2 | ✓ Confirmed |
| 05-26 21:20 | 20m | - / -23 | A61SD | -1 / - | 3 | ✓ Confirmed |
| 05-22 21:32 | 20m | +18 / - | EA7ALL | - / - | 2 | Partial |
| 05-22 21:30 | 20m | +9 / -22 | E70A | +5 / -8 | 6 | ✓ Complete |
| 05-21 21:15 | 40m | -16 / - | TL8BNW | - / -7 | 2 | ✓ Confirmed |
| 05-15 21:10 | 40m | +7 / - | EA7ALL | - / - | 3 | Partial |
| 05-13 09:17 | 20m | +13 / - | F5RRS | - / - | 4 | Partial |
Station Log
20m
UTC dB Freq Message 212000 -3 657 A61SD JA9CHJ PM85 (x3) 200745 -11 3053 A91LD JA9CHJ PM85 (x3) 201430 +1 3046 JA9CHJ US5HL -05 201545 -5 2967 US5HL JA9CHJ 73 202800 -9 290 E75AA JA9CHJ PM85 202815 -4 2749 JA9CHJ E75AA +05 202830 -10 290 E75AA JA9CHJ R-06 202845 -6 2750 JA9CHJ E75AA RR73 202900 -11 290 E75AA JA9CHJ 73 203115 -10 289 A91LD JA9CHJ PM85 (x2)
80m
UTC dB Freq Message 194945 -10 483 JA9CHJ ZS1J +01 (x2) 200200 -22 1764 JA9CHJ A71UN -20
40m
UTC dB Freq Message 211045 +8 2344 JA9CHJ EA7ALL IM88 (x4) 211530 -17 437 JA9CHJ TL8BNW -07 (x2)