JH3OWW — FT8 station from Japan
Amateur radio station JH3OWW operating from Japan (grid square JN01). 136 FT8 spots received at SO8OO WebSDR, active on 20m, over 13 days, best SNR +20 dB. Heard between 2026-04-22 and 2026-06-26.
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Overview
136
Total spots
0
CQ calls
13
Days active
-2 dB
Avg SNR
Bands
20m
First seen: 2026-04-22
Last seen: 2026-06-26 16:05 UTC
Last seen: 2026-06-26 16:05 UTC
Frequent QSO partners observed at SO8OO
Stations JH3OWW worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JH3OWW | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-26 18:04 | 20m | -5 / - | EA3EDU | - / - | 3 | Partial |
| 06-26 17:59 | 20m | +15 / - | 9A5TW | - / -10 | 2 | ✓ Confirmed |
| 06-26 17:45 | 20m | -14 / - | DL4JG | - / -16 | 2 | Partial |
| 06-26 17:45 | 20m | -10 / - | OH5KNL | - / -7 | 2 | ✓ Confirmed |
| 06-26 17:41 | 20m | -16 / - | YO7SY | - / -17 | 4 | ✓ Confirmed |
| 06-26 17:40 | 20m | -14 / - | DL4JG | - / -11 | 2 | Partial |
| 05-29 18:57 | 20m | -21 / - | UA4FKT | - / - | 3 | Partial |
| 05-29 18:51 | 20m | - / +5 | <...> | -17 / - | 2 | Partial |
| 05-21 17:40 | 20m | +14 / - | IK8TPB | -12 / -9 | 3 | Partial |
| 05-21 17:33 | 20m | - / -15 | IT9SBE | -12 / - | 2 | Partial |
| 05-21 17:19 | 20m | -12 / - | EX8ABR | - / -9 | 2 | ✓ Confirmed |
| 05-21 17:07 | 20m | +8 / - | E70A | - / -6 | 2 | ✓ Confirmed |
| 05-19 19:08 | 20m | -7 / - | <...> | - / -18 | 4 | Partial |
| 05-18 20:03 | 20m | -10 / - | <...> | - / -12 | 3 | Partial |
| 05-18 20:02 | 20m | -10 / - | TA4SM | - / -12 | 3 | ✓ Confirmed |
| 05-18 19:13 | 20m | -6 / - | II2MPP | - / - | 4 | Partial |
| 05-18 19:13 | 20m | +3 / - | F5RAV | - / - | 4 | Partial |
| 05-18 19:12 | 20m | +10 / - | F1ODM | - / -9 | 2 | ✓ Confirmed |
| 05-17 20:43 | 20m | - / +6 | F4CPJ | -11 / - | 3 | ✓ Confirmed |
| 05-17 20:38 | 20m | - / - | SP5BB | -10 / - | 2 | Partial |
| 05-17 19:18 | 20m | -10 / - | DG6VC | - / - | 2 | ✓ Confirmed |
| 05-17 18:55 | 20m | +1 / - | EA7Z | - / -16 | 2 | Partial |
| 05-17 18:52 | 20m | -5 / - | F4IBJ | - / - | 2 | Partial |
| 05-17 18:51 | 20m | -6 / - | UA4FKT | - / - | 2 | Partial |
| 05-17 18:35 | 20m | -2 / - | F6IRA | - / +2 | 3 | ✓ Confirmed |
| 05-17 18:31 | 20m | - / - | A31AA | -18 / - | 2 | Partial |
| 05-16 19:52 | 20m | -10 / - | SV8GSP | -19 / -16 | 3 | ✓ Verified |
| 05-15 19:46 | 20m | - / - | DK9UD | -10 / - | 2 | Partial |
| 05-15 19:45 | 20m | - / - | IS0KNG | -4 / - | 2 | Partial |
| 05-15 19:43 | 20m | -19 / - | IQ8TJ | -10 / -19 | 5 | ✓ Complete |
| 05-15 19:42 | 20m | - / -6 | YO6OGW | -9 / - | 3 | ✓ Confirmed |
| 05-15 19:39 | 20m | - / -13 | IQ4JO | -8 / - | 2 | ✓ Confirmed |
| 05-15 19:38 | 20m | +13 / -4 | SV1OCA | -9 / -21 | 7 | ✓ Complete |
| 05-15 19:38 | 20m | - / +7 | RC0CD | -3 / - | 2 | ✓ Confirmed |
| 05-15 19:36 | 20m | - / -17 | SN9S | -2 / - | 3 | ✓ Confirmed |
| 05-15 19:34 | 20m | - / -8 | EX8ABQ | -1 / - | 3 | ✓ Confirmed |
| 05-15 19:33 | 20m | - / - | IK4HLQ | +2 / - | 2 | Partial |
| 05-15 19:31 | 20m | - / -19 | OE7LVI | +2 / - | 2 | Partial |
| 05-15 19:27 | 20m | - / +9 | OK1VK | -2 / - | 4 | ✓ Confirmed |
| 05-15 19:24 | 20m | - / +8 | ON8AJ | +2 / - | 2 | Partial |
| 05-15 19:21 | 20m | - / - | OM7JG | -3 / - | 5 | ✓ Confirmed |
| 05-15 19:17 | 20m | -9 / +10 | DL3MIB | -9 / - | 2 | Partial |
| 05-15 19:16 | 20m | - / -6 | OM1EI | -11 / - | 3 | ✓ Confirmed |
| 05-14 22:42 | 20m | - / -1 | BA6IM | -8 / - | 2 | ✓ Confirmed |
| 05-14 20:14 | 20m | -2 / - | TF4M | - / -13 | 2 | Partial |
| 05-14 19:50 | 20m | -8 / - | HB9GWX | - / -17 | 2 | ✓ Confirmed |
| 05-12 18:49 | 20m | -5 / - | OH6IH | - / -9 | 2 | ✓ Confirmed |
| 05-12 18:45 | 20m | +17 / - | LA3BO | - / -11 | 2 | ✓ Confirmed |
| 05-12 18:42 | 20m | +8 / - | PD0PHA | - / -12 | 5 | ✓ Confirmed |
| 05-12 18:41 | 20m | +5 / - | PD0JOY | - / -20 | 4 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 174030 -13 1953 JH3OWW DL4JG -11 (x2) 174130 -15 1521 JH3OWW YO7SY KN14 (x4) 174530 -10 2603 JH3OWW OH5KNL -07 174530 -12 1953 JH3OWW DL4JG -16 174600 -11 2603 JH3OWW OH5KNL RR73 174600 -17 1862 JH3OWW DL4JG -16 175900 +14 2970 JH3OWW 9A5TW -10 (x2) 180430 -7 2573 JH3OWW EA3EDU JN01 (x3)