JH3UHG — FT8 station from Japan
Amateur radio station JH3UHG operating from Japan. 382 FT8 spots received at SO8OO WebSDR, 4 CQ calls, active on 20m, over 35 days, best SNR +25 dB. Heard between 2026-04-22 and 2026-07-21.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
382
Total spots
4
CQ calls
35
Days active
-3 dB
Avg SNR
Bands
20m
First seen: 2026-04-22
Last seen: 2026-07-21 14:57 UTC
Last seen: 2026-07-21 14:57 UTC
Frequent QSO partners observed at SO8OO
Stations JH3UHG worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JH3UHG | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-21 16:57 | 20m | +17 / - | DF1KW | - / -14 | 2 | ✓ Confirmed |
| 07-21 16:40 | 20m | +2 / - | DK5UP | - / -14 | 3 | ✓ Confirmed |
| 07-21 16:31 | 20m | -8 / - | EA5PC | - / -10 | 2 | ✓ Confirmed |
| 07-15 18:07 | 20m | -10 / - | JY5CG | - / -13 | 4 | ✓ Confirmed |
| 07-15 17:16 | 20m | -12 / - | EA7ALL | - / -5 | 4 | ✓ Confirmed |
| 07-15 17:06 | 20m | -1 / - | EA7ALL | - / - | 3 | Partial |
| 07-15 16:22 | 20m | -8 / - | MD0CCE | - / -14 | 3 | ✓ Confirmed |
| 07-15 16:19 | 20m | +2 / - | DK0ND | - / -14 | 2 | Partial |
| 07-15 16:19 | 20m | -1 / - | IV3KZF | - / - | 2 | Partial |
| 07-12 16:57 | 20m | +8 / - | R2AL | - / -10 | 4 | ✓ Confirmed |
| 07-12 16:55 | 20m | -8 / - | F6FLU | - / -16 | 3 | Partial |
| 07-12 16:53 | 20m | +4 / - | R2AL | - / - | 4 | Partial |
| 07-12 16:52 | 20m | +8 / - | EA6NB | - / -7 | 2 | ✓ Confirmed |
| 07-11 17:27 | 20m | -14 / - | PD7BB | - / -11 | 2 | ✓ Confirmed |
| 07-11 17:24 | 20m | -18 / - | DF2FE | - / -11 | 2 | ✓ Confirmed |
| 07-11 17:20 | 20m | -12 / - | PD0GFP | - / - | 6 | Partial |
| 07-11 17:16 | 20m | +6 / - | RC6OU | - / - | 4 | Partial |
| 07-11 17:10 | 20m | -6 / - | OE9GWV | - / -12 | 2 | ✓ Confirmed |
| 07-11 17:09 | 20m | -10 / - | UA3ZAB | - / - | 2 | Partial |
| 07-11 16:55 | 20m | -4 / - | DL2PS | - / - | 2 | ✓ Confirmed |
| 07-09 14:54 | 20m | -20 / - | ON2KMJ | - / - | 2 | Partial |
| 07-09 14:53 | 20m | -7 / - | G4RCV | - / -20 | 2 | ✓ Confirmed |
| 07-09 14:33 | 20m | -6 / - | 5B4AAB | - / -16 | 2 | ✓ Confirmed |
| 07-07 16:26 | 20m | -11 / - | ON8BB | - / -12 | 2 | Partial |
| 07-07 15:53 | 20m | -9 / - | ON8BB | - / - | 3 | Partial |
| 07-06 17:52 | 20m | -4 / - | OE9GWV | - / - | 2 | Partial |
| 07-06 17:42 | 20m | -3 / - | RC6OU | - / - | 4 | Partial |
| 07-04 16:41 | 20m | -14 / - | 4X5JK | - / -4 | 2 | ✓ Confirmed |
| 07-03 15:05 | 20m | +13 / - | GB2WWA | - / -22 | 4 | ✓ Confirmed |
| 06-30 19:01 | 20m | -11 / - | EA1DP | - / -23 | 2 | Partial |
| 06-29 16:57 | 20m | -2 / - | US5HL | - / -12 | 3 | Partial |
| 06-26 17:32 | 20m | -18 / - | DL4JG | - / -16 | 2 | ✓ Confirmed |
| 06-26 17:12 | 20m | -7 / - | EA5BYS | - / - | 3 | Partial |
| 06-26 17:10 | 20m | -6 / - | D2UY | - / -10 | 2 | ✓ Confirmed |
| 06-25 17:05 | 20m | +4 / - | EA1N | - / -15 | 3 | ✓ Confirmed |
| 06-25 17:01 | 20m | -18 / - | UB6OCP | - / -13 | 2 | Partial |
| 06-25 16:58 | 20m | -8 / - | DJ7WG | - / -12 | 2 | ✓ Confirmed |
| 06-25 16:28 | 20m | +10 / - | YO4NF | - / -9 | 2 | ✓ Confirmed |
| 06-24 18:12 | 20m | -6 / - | PD4SN | - / - | 2 | Partial |
| 06-24 17:58 | 20m | -6 / - | 9A5AZK | - / - | 4 | Partial |
| 06-24 16:46 | 20m | 0 / - | IW2NEF | - / - | 26 | Partial |
| 06-24 16:12 | 20m | -17 / - | DD7EE | - / -11 | 2 | ✓ Confirmed |
| 06-24 15:48 | 20m | -19 / - | DK1TS | - / - | 3 | Partial |
| 06-24 15:18 | 20m | -20 / - | R7DX | - / - | 2 | Partial |
| 06-22 16:06 | 20m | +4 / - | <...> | - / -21 | 3 | Partial |
| 06-22 15:51 | 20m | -2 / - | PD8RUK | - / -21 | 7 | ✓ Confirmed |
| 06-22 15:38 | 20m | -5 / - | ON4ASV | - / -6 | 2 | ✓ Confirmed |
| 06-11 17:09 | 20m | +9 / - | 5Z4VJ | - / -6 | 2 | Partial |
| 06-10 16:01 | 20m | -10 / - | DL5MFS | - / - | 6 | Partial |
| 06-10 15:48 | 20m | -5 / - | UA3ZQN | - / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 171700 -11 1519 JH3UHG EA7ALL R-05 (x2) 174030 +4 2664 JH3UHG S09S -08 (x2) 180730 -12 1564 JH3UHG JY5CG -13 (x4) 163130 -8 2049 JH3UHG EA5PC -10 (x2) 164030 +1 802 JH3UHG DK5UP -14 (x3) 165700 +18 3003 JH3UHG DF1KW -14 (x2)