JA5MHD — FT8 station from Japan
Amateur radio station JA5MHD operating from Japan. 1,157 FT8 spots received at SO8OO WebSDR, active on 80m, 60m, 40m, 20m, 10m, over 62 days, best SNR +24 dB. Heard between 2026-04-21 and 2026-06-28.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
1,157
Total spots
0
CQ calls
62
Days active
-1 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
First seen: 2026-04-21
Last seen: 2026-06-28 18:08 UTC
Last seen: 2026-06-28 18:08 UTC
Frequent QSO partners observed at SO8OO
Stations JA5MHD worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA5MHD | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-28 20:01 | 40m | -10 / - | SQ6WA | - / -5 | 2 | ✓ Confirmed |
| 06-28 19:57 | 40m | -8 / - | UV1IX | - / -2 | 2 | Partial |
| 06-27 20:29 | 40m | -7 / - | YO3APJ | - / -4 | 3 | Partial |
| 06-27 20:18 | 40m | -14 / - | IT9VCE | - / -18 | 2 | ✓ Confirmed |
| 06-26 20:13 | 40m | -12 / - | S55A | - / -8 | 2 | ✓ Confirmed |
| 06-26 19:40 | 80m | -3 / - | IU7RQC | - / - | 2 | Partial |
| 06-26 19:39 | 80m | - / - | OH5NBJ | -12 / - | 2 | Partial |
| 06-26 19:36 | 80m | - / -5 | <...> | -8 / - | 2 | Partial |
| 06-26 19:31 | 80m | +13 / - | OH5LF | - / - | 3 | Partial |
| 06-26 19:31 | 80m | +3 / -14 | R2GBR | -9 / -16 | 6 | ✓ Complete |
| 06-26 19:31 | 80m | +3 / -17 | RA6ZD | -12 / -9 | 7 | ✓ Complete |
| 06-26 19:29 | 80m | +12 / -19 | 9A4P | -9 / -12 | 6 | ✓ Complete |
| 06-25 20:05 | 40m | -12 / - | LZ3YY | - / -11 | 2 | ✓ Confirmed |
| 06-25 19:41 | 80m | -2 / -18 | UG4I | -9 / - | 4 | ✓ Verified |
| 06-25 19:35 | 80m | -1 / -15 | R4DS/P | -14 / -7 | 7 | ✓ Complete |
| 06-24 20:27 | 40m | -13 / - | OE5FSL | - / - | 4 | Partial |
| 06-24 20:01 | 80m | +4 / - | OH5LF | - / - | 2 | Partial |
| 06-24 20:00 | 80m | +10 / - | IU2VWQ | - / - | 3 | Partial |
| 06-24 19:58 | 80m | +4 / - | LA9GX | -16 / -18 | 4 | ✓ Verified |
| 06-24 19:46 | 80m | +11 / - | RA6ATZ | -21 / -17 | 4 | ✓ Verified |
| 06-24 19:44 | 80m | -15 / - | 4Z5PE | -11 / -5 | 3 | ✓ Verified |
| 06-24 19:41 | 80m | 0 / -15 | RK6ABM | -12 / -14 | 5 | ✓ Complete |
| 06-24 19:40 | 80m | +13 / -10 | UR8UQ | -8 / -11 | 5 | ✓ Complete |
| 06-24 19:39 | 80m | +4 / - | SP9ATE | - / - | 3 | Partial |
| 06-24 19:37 | 80m | -5 / -13 | RG7M | -14 / -9 | 5 | ✓ Complete |
| 06-24 19:36 | 80m | 0 / - | RK6ABM | -18 / -14 | 3 | Partial |
| 06-24 19:28 | 80m | +5 / -11 | RG7M | -22 / -9 | 5 | Partial |
| 06-24 19:26 | 80m | 0 / -17 | UA3UBV | -10 / -13 | 3 | Partial |
| 06-24 19:23 | 80m | +8 / -15 | UA4HJ | -16 / -8 | 4 | ✓ Complete |
| 06-23 20:12 | 40m | -2 / - | OM1AN | - / -5 | 3 | ✓ Confirmed |
| 06-23 20:04 | 40m | -4 / - | UF1A | - / -12 | 4 | ✓ Confirmed |
| 06-23 19:40 | 80m | +6 / - | IW7DHC | - / -16 | 2 | ✓ Confirmed |
| 06-22 21:11 | 40m | +2 / - | IQ4JO | - / -8 | 2 | Partial |
| 06-22 20:10 | 40m | -2 / - | RN6HK | - / +2 | 4 | ✓ Confirmed |
| 06-22 20:08 | 40m | -5 / - | IW9HPG | - / -1 | 3 | ✓ Confirmed |
| 06-22 20:08 | 40m | -4 / - | LB7ZG | - / - | 3 | Partial |
| 06-22 19:46 | 80m | - / - | RK4NB | -8 / - | 2 | Partial |
| 06-22 19:43 | 80m | - / - | YU9MBA | -8 / - | 2 | Partial |
| 06-22 19:43 | 80m | +10 / -13 | UR5ZHJ | -7 / -17 | 6 | ✓ Complete |
| 06-22 19:41 | 80m | +5 / -13 | RC6OD | -7 / -9 | 6 | ✓ Complete |
| 06-22 19:39 | 80m | -9 / - | PA3HFT | - / - | 4 | Partial |
| 06-22 19:38 | 80m | -9 / - | DK4FH | - / -16 | 2 | Partial |
| 06-22 19:38 | 80m | +3 / - | R2PT | - / -14 | 3 | ✓ Confirmed |
| 06-22 19:38 | 80m | +17 / - | SP7AH | - / -14 | 4 | ✓ Confirmed |
| 06-22 19:37 | 80m | +2 / -10 | RZ9WU | -4 / -5 | 3 | ✓ Complete |
| 06-22 19:37 | 80m | -2 / - | SP3IPA | - / - | 5 | Partial |
| 06-22 19:35 | 80m | -20 / - | RA9QBR | -7 / -12 | 3 | ✓ Verified |
| 06-22 19:34 | 80m | +5 / - | R7KJM | - / - | 2 | Partial |
| 06-22 19:32 | 80m | +12 / -16 | SP7MOQ | -6 / -9 | 6 | ✓ Complete |
| 06-22 19:32 | 80m | +6 / - | R5ZJ | - / -10 | 2 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 201615 -14 1690 JA5MHD SP2BBQ JO84 201600 -5 286 JA5MHD OH3NXW RR73 201830 -14 888 JA5MHD IT9VCE -18 (x2) 202130 -8 416 JA5MHD SV8ZI RR73 202945 -11 1062 JA5MHD YO3APJ -04 (x3) 195430 +1 2732 JA5MHD IQ4JO R-06 195730 -8 239 JA5MHD UV1IX -02 (x2) 200130 -10 1342 JA5MHD SQ6WA R-05 (x2) 200530 -14 1906 JA5MHD OM1TD JN88 200800 -23 1764 JA5MHD IQ9NI R-01
80m
UTC dB Freq Message 193200 +3 1572 JA5MHD R2GBR RR73 193215 -6 318 R2GBR JA5MHD 73 193230 +5 777 JA5MHD RA6ZD KN98 193245 -14 317 RA6ZD JA5MHD -17 193300 +4 776 JA5MHD RA6ZD R-09 193315 -11 318 RA6ZD JA5MHD RR73 193330 +2 777 JA5MHD RA6ZD 73 193400 +16 2747 JA5MHD OH5LF KP31 193645 -6 319 <...> JA5MHD PM63 (x2) 193900 -10 319 OH5NBJ JA5MHD PM63 (x2) 194015 -1 1691 JA5MHD IU7RQC JN71 (x2) 195530 -12 319 DL6NDW JA5MHD PM63
10m
UTC dB Freq Message 071615 -17 1659 A61OK JA5MHD -17 071645 -16 1659 IZ1RFL JA5MHD -16 071900 +0 639 OM3WFH JA5MHD -14 (x2) 072100 +1 638 YO8RXH JA5MHD RR73 072230 +2 638 OE6TXW JA5MHD -09 (x2) 072330 -1 638 OE6MDF JA5MHD -10 (x2) 072445 -2 638 I5HLK JA5MHD -16 072215 -12 2608 5B4AMM JA5MHD 73 072315 -12 2608 LZ2INP JA5MHD PM63 (x2) 084845 -21 778 JA5MHD ZS6MGM -09 083545 -24 1860 JA5MHD 5Z4SK RR73
20m
UTC dB Freq Message 212715 -3 1069 9X5KM JA5MHD PM63 (x6) 213000 +1 797 JA5MHD 9X5KM R-09 (x2) 213100 +3 1517 JA5MHD LZ4VR KN13 (x2) 213130 -10 1069 JA5MHD SV1MOZ KM17 (x5)
60m
UTC dB Freq Message 213400 -17 1132 JA5MHD SQ4VW JO93