JH7CSU — FT8 station from Japan
Amateur radio station JH7CSU operating from Japan. 592 FT8 spots received at SO8OO WebSDR, 65 CQ calls, active on 80m, 60m, 40m, 20m, 10m, over 27 days, best SNR +21 dB. Heard between 2026-04-22 and 2026-06-24.
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Overview
592
Total spots
65
CQ calls
27
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
First seen: 2026-04-22
Last seen: 2026-06-24 16:59 UTC
Last seen: 2026-06-24 16:59 UTC
Frequent QSO partners observed at SO8OO
Stations JH7CSU worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JH7CSU | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-24 18:58 | 40m | +8 / - | 4U1GSC | - / -25 | 2 | ✓ Confirmed |
| 06-19 18:49 | 20m | -18 / -13 | TJ1GD/P | -24 / -12 | 3 | ✓ Complete |
| 06-19 18:43 | 20m | - / - | TJ1GD/P | -18 / - | 2 | Partial |
| 06-16 18:57 | 20m | - / +3 | RA3ZUJ | -10 / - | 2 | ✓ Confirmed |
| 06-16 18:54 | 20m | - / -11 | OM3CUP | -9 / - | 2 | ✓ Confirmed |
| 06-16 18:51 | 20m | - / -8 | DL7COC | -7 / - | 2 | ✓ Confirmed |
| 06-16 18:49 | 20m | - / -13 | SP7GDS | -4 / - | 3 | ✓ Confirmed |
| 06-16 18:48 | 20m | - / +3 | RN1QG | -7 / - | 2 | ✓ Confirmed |
| 06-16 18:46 | 20m | - / -23 | PD2GCM | -8 / - | 2 | Partial |
| 06-16 18:45 | 20m | - / - | S57ESG | -9 / - | 2 | ✓ Confirmed |
| 06-16 18:40 | 20m | - / -1 | UR5EPZ | -8 / - | 4 | ✓ Confirmed |
| 06-16 18:38 | 20m | - / +3 | BI1GHZ | -8 / - | 2 | ✓ Confirmed |
| 06-16 18:38 | 20m | -7 / -1 | UA3ZQN | -6 / -14 | 7 | ✓ Complete |
| 06-16 18:33 | 20m | - / -3 | BA4OO | -8 / - | 2 | ✓ Confirmed |
| 06-16 18:33 | 20m | -10 / - | F4NKF | - / - | 4 | Partial |
| 06-16 18:21 | 20m | - / -11 | DK5CW | -8 / - | 4 | Partial |
| 06-16 18:18 | 20m | -10 / -12 | R9FAK | -10 / -8 | 4 | ✓ Complete |
| 06-16 18:13 | 20m | - / -7 | <...> | -14 / - | 2 | Partial |
| 06-16 18:11 | 20m | - / -1 | R2GBR | -13 / - | 3 | ✓ Confirmed |
| 06-16 18:10 | 20m | -20 / -7 | UT7HX | -10 / -14 | 3 | ✓ Complete |
| 06-16 18:08 | 20m | - / -6 | DL4WN | -12 / - | 3 | ✓ Confirmed |
| 06-16 18:07 | 20m | - / +10 | SP5EXA | -12 / - | 2 | ✓ Confirmed |
| 06-16 17:44 | 20m | -7 / - | EA3JHT | - / - | 2 | Partial |
| 06-16 17:35 | 20m | +13 / - | F4LQJ | - / -10 | 9 | Partial |
| 06-16 17:25 | 20m | -9 / - | R9FF | - / -15 | 4 | ✓ Confirmed |
| 06-16 17:14 | 20m | - / -1 | SA0CCA | -12 / - | 2 | ✓ Confirmed |
| 06-16 17:13 | 20m | - / -9 | YO4ASD | -13 / - | 2 | ✓ Confirmed |
| 06-16 17:11 | 20m | - / -13 | R2BBT | -13 / - | 2 | ✓ Confirmed |
| 06-16 17:09 | 20m | - / -8 | UR5WIF | -12 / - | 2 | ✓ Confirmed |
| 06-16 17:06 | 20m | +12 / -5 | RA6HN | -12 / -9 | 5 | ✓ Complete |
| 06-16 17:06 | 20m | - / +3 | R2DN | -13 / - | 2 | ✓ Confirmed |
| 06-16 17:05 | 20m | -15 / - | EA5BH | - / - | 3 | Partial |
| 06-16 17:05 | 20m | +2 / -1 | RN4AZ | -14 / - | 7 | ✓ Complete |
| 06-16 16:59 | 20m | - / -5 | E70AB | -12 / - | 2 | ✓ Confirmed |
| 06-16 16:58 | 20m | - / -25 | SM3ULU | -12 / - | 2 | Partial |
| 06-16 16:50 | 20m | -8 / - | JA5NSR | - / - | 2 | ✓ Confirmed |
| 06-16 16:45 | 20m | -4 / - | M7DLB | - / - | 7 | Partial |
| 06-16 16:38 | 20m | -3 / - | RX9WM | - / -4 | 3 | ✓ Confirmed |
| 06-16 16:38 | 20m | -17 / +6 | BG7MOM | -17 / - | 2 | ✓ Verified |
| 06-16 16:35 | 20m | - / -5 | UX2CT | -14 / - | 2 | ✓ Confirmed |
| 06-12 19:42 | 20m | - / - | K4XP | -2 / - | 4 | Partial |
| 06-12 18:23 | 20m | -6 / -21 | F1POK | -12 / - | 12 | Partial |
| 06-12 18:22 | 20m | -4 / - | F6GGA | - / - | 3 | Partial |
| 06-12 18:21 | 20m | +9 / - | R3KFA | -13 / -8 | 4 | ✓ Verified |
| 06-12 18:19 | 20m | -4 / - | RU3QR | - / -24 | 4 | ✓ Confirmed |
| 06-12 18:18 | 20m | +1 / - | OK1VRV | - / - | 2 | ✓ Confirmed |
| 06-12 18:16 | 20m | +2 / - | RA3ZOM | - / -4 | 2 | ✓ Confirmed |
| 06-11 17:39 | 20m | +11 / -17 | SV9TLU | -14 / - | 3 | ✓ Verified |
| 06-11 17:27 | 40m | -2 / - | RN2T | - / -13 | 2 | ✓ Confirmed |
| 06-11 15:21 | 20m | -4 / -13 | A92AE | -16 / -19 | 4 | ✓ Complete |
Station Log
40m
UTC dB Freq Message 184715 +2 2991 JH7CSU I1YTO JN44 185045 +1 2907 JH7CSU DB9THF JO62 (x3) 203730 +0 1112 JH7CSU LZ100LZ -25 (x2) 173230 -19 1502 JH7CSU <...> -09 180900 +14 2155 JH7CSU S59A -09 (x2) 163230 -11 2165 JH7CSU R2026DR -18 172745 -2 2906 JH7CSU RN2T R-13 (x2) 160415 -8 2732 JH7CSU R4NDG LO48 185830 +10 391 JH7CSU 4U1GSC -25 (x2)
20m
UTC dB Freq Message 185345 -10 2229 UX7QV JH7CSU RR73 185415 -9 2229 CQ JH7CSU PM95 185445 -11 2230 OM3CUP JH7CSU R-11 (x2) 185545 -7 2229 CQ JH7CSU PM95 (x2) 185715 -9 2230 RA3ZUJ JH7CSU +03 (x2) 183745 -16 2446 TJ1GD/P JH7CSU PM95 (x4) 184900 -20 1833 JH7CSU TJ1GD/P -12 184915 -24 1414 TJ1GD/P JH7CSU R-13 184930 -17 1833 JH7CSU TJ1GD/P RR73
10m
UTC dB Freq Message 065045 -4 1064 JH7CSU A71AT -10 (x2) 083100 -17 2280 JH7CSU TL8GD -09 (x4) 111600 -7 1339 JH7CSU 7Q7CT RR73 142700 -17 1900 JH7CSU RR73; JF1RYU <...> +10 142900 -10 2542 JH7CSU D2UY -20 (x2) 153630 -17 1513 JH7CSU 7Q6M RR73
60m
UTC dB Freq Message 200545 -17 2228 JH7CSU IU1TEU JN45
80m
UTC dB Freq Message 182000 -2 1994 JH7CSU RA3CQ KO85 191900 -2 2324 JH7CSU 4Z5AV KM71 (x3) 191630 +12 2245 JH7CSU IZ5NRF JN53 185730 +21 319 JH7CSU SV8JE KM08 (x3)