JA4DWR — FT8 station from Japan
Amateur radio station JA4DWR operating from Japan. 62 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 12 days, best SNR +11 dB. Heard between 2026-04-22 and 2026-06-26.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
62
Total spots
0
CQ calls
12
Days active
-8 dB
Avg SNR
Bands
20m
40m
10m
First seen: 2026-04-22
Last seen: 2026-06-26 20:01 UTC
Last seen: 2026-06-26 20:01 UTC
Frequent QSO partners observed at SO8OO
Stations JA4DWR worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA4DWR | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-26 21:58 | 20m | -9 / - | EC5M | - / -16 | 6 | Partial |
| 06-26 21:57 | 20m | -10 / - | UX5UO | - / - | 2 | Partial |
| 06-26 21:53 | 20m | -12 / - | EA5KB | - / -12 | 10 | Partial |
| 06-26 21:48 | 20m | -12 / - | EA5KB | - / -19 | 2 | Partial |
| 06-26 21:40 | 20m | +1 / - | EA8UP | - / -13 | 2 | ✓ Confirmed |
| 06-24 21:54 | 20m | +6 / - | US5HL | - / -11 | 2 | Partial |
| 06-24 21:45 | 20m | -17 / - | PA3R | - / -10 | 2 | ✓ Confirmed |
| 06-24 21:43 | 20m | -4 / - | RA3ZH | - / - | 2 | Partial |
| 06-24 21:39 | 20m | +1 / - | T77RN | - / - | 2 | ✓ Confirmed |
| 06-23 21:14 | 20m | -13 / - | 4L1FL | - / -8 | 2 | ✓ Confirmed |
| 06-11 15:31 | 10m | -10 / - | 7Q5MP | - / -23 | 2 | ✓ Confirmed |
| 06-08 15:23 | 10m | -17 / - | 7Q6M | - / -12 | 2 | ✓ Confirmed |
| 05-31 17:46 | 20m | -17 / - | OZ7DR | - / -10 | 4 | Partial |
| 05-30 19:16 | 20m | - / - | SV9KNA | -11 / - | 2 | Partial |
| 05-28 10:41 | 10m | - / - | 7Q3AM | -7 / - | 3 | Partial |
| 05-21 04:57 | 20m | -8 / - | V31DL | - / -16 | 2 | ✓ Confirmed |
| 05-19 15:39 | 10m | -5 / - | A41ZZ | - / -13 | 3 | ✓ Confirmed |
| 05-19 15:09 | 20m | +9 / - | TA4DX | - / -14 | 3 | ✓ Confirmed |
| 04-22 21:12 | 40m | -11 / - | IW9FRA | - / - | 5 | Partial |
| 04-22 21:07 | 40m | +6 / - | EK/RX3DPK | - / -13 | 3 | Partial |
Station Log
20m
UTC dB Freq Message 215430 -22 1667 JA4DWR EA5KB -20 (x4) 215700 -11 1186 JA4DWR UX5UO KO50 215700 -1 1666 JA4DWR EA5KB -06 215730 -9 1186 JA4DWR UX5UO KO50 215730 -7 1666 JA4DWR EA5KB -06 215830 -10 2228 JA4DWR EC5M -16 (x2) 215930 -10 1666 JA4DWR EA5KB R+01 220000 -10 2229 JA4DWR EC5M -16 (x4)
10m
UTC dB Freq Message 120100 -16 1085 JA4DWR TL8GD RR73 153915 -10 926 JA4DWR A41ZZ -13 (x3) 104115 -4 2034 7Q3AM JA4DWR PM63 (x3) 152300 -18 1513 JA4DWR 7Q6M -12 (x2) 153130 -12 1309 JA4DWR 7Q5MP -23 (x2)
40m
UTC dB Freq Message 210415 -22 1588 CN8NS JA4DWR PM63 210730 +8 509 JA4DWR EK/RX3DPK -13 (x3) 211200 -11 1505 JA4DWR IW9FRA JM68 (x5)