JA5MHD — FT8 station from Japan
Amateur radio station JA5MHD operating from Japan (grid square JN97). 359 FT8 spots received at SO8OO WebSDR, active on 80m, 60m, 40m, 20m, 10m, over 24 days, best SNR +22 dB. Heard between 2026-04-21 and 2026-05-14.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
359
Total spots
0
CQ calls
24
Days active
-1 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
First seen: 2026-04-21
Last seen: 2026-05-14 18:46 UTC
Last seen: 2026-05-14 18:46 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 | |
|---|---|---|---|---|---|---|
| 05-14 20:45 | 40m | 0 / - | OM5ALL | - / - | 3 | Partial |
| 05-14 20:43 | 40m | +6 / - | SP9EIJ | - / -13 | 2 | ✓ Confirmed |
| 05-14 20:42 | 40m | -4 / - | I1YTO | - / - | 7 | Partial |
| 05-13 20:05 | 80m | -1 / - | YT1VDA | - / - | 8 | Partial |
| 05-13 20:04 | 80m | -4 / - | RQ6A | - / -17 | 2 | ✓ Confirmed |
| 05-13 19:36 | 80m | -3 / - | YT1VDA | - / - | 11 | Partial |
| 05-13 19:34 | 80m | -4 / - | UX7UU | - / -12 | 6 | ✓ Confirmed |
| 05-13 19:33 | 80m | 0 / - | IS0JXO | - / - | 9 | ✓ Confirmed |
| 05-13 19:27 | 80m | -2 / - | IS0JXO | - / - | 6 | Partial |
| 05-12 20:42 | 40m | +1 / - | UR5TL | - / -9 | 4 | ✓ Confirmed |
| 05-12 20:40 | 40m | -2 / - | SP9W | - / -11 | 2 | Partial |
| 05-11 21:09 | 40m | +2 / - | IK0CHU | - / -15 | 2 | ✓ Confirmed |
| 05-10 20:49 | 40m | -16 / - | SQ9BC | - / -11 | 2 | Partial |
| 05-10 20:47 | 40m | +8 / - | DL3RL | - / +3 | 2 | ✓ Confirmed |
| 05-10 20:42 | 40m | -4 / - | IK5LPO | - / - | 4 | Partial |
| 05-10 20:41 | 40m | +4 / - | IQ8GT | - / -11 | 2 | ✓ Confirmed |
| 05-10 20:38 | 40m | +2 / - | IK5LPO | - / - | 2 | Partial |
| 05-10 20:38 | 40m | -4 / - | PD7YY | - / - | 5 | Partial |
| 05-10 20:37 | 40m | +4 / - | DL5EBS | - / -21 | 2 | ✓ Confirmed |
| 05-10 20:33 | 40m | +7 / - | IK8OXQ | - / +9 | 2 | ✓ Confirmed |
| 05-10 20:32 | 40m | -1 / - | IZ4OUL | - / +1 | 2 | ✓ Confirmed |
| 05-10 20:30 | 40m | -2 / - | EA5IKP | - / -10 | 2 | ✓ Confirmed |
| 05-10 20:21 | 40m | -8 / - | SP2IHI | - / - | 4 | Partial |
| 05-10 20:17 | 40m | -6 / - | IU4PPL | - / - | 2 | Partial |
| 05-10 20:15 | 40m | +3 / - | YT1VDA | - / -11 | 4 | ✓ Confirmed |
| 05-10 19:50 | 80m | -13 / - | R6MO | - / - | 2 | Partial |
| 05-10 19:48 | 80m | +10 / - | HA3IC | - / -18 | 2 | ✓ Confirmed |
| 05-09 20:46 | 40m | +3 / - | IT9ACJ | - / -14 | 3 | ✓ Confirmed |
| 05-09 20:44 | 40m | +6 / - | HB9GWX | - / -15 | 2 | ✓ Confirmed |
| 05-09 20:25 | 40m | +6 / - | SP9JMD | - / -14 | 2 | ✓ Confirmed |
| 05-09 20:25 | 40m | -6 / - | R9FE | - / - | 2 | Partial |
| 05-08 21:33 | 80m | -8 / - | RP81PT | - / - | 2 | ✓ Confirmed |
| 05-08 21:33 | 80m | +4 / - | SQ9DJQ | - / -8 | 2 | Partial |
| 05-08 20:47 | 40m | -1 / - | SV1TNK | - / -9 | 2 | ✓ Confirmed |
| 05-07 20:59 | 40m | -1 / - | SM0IJS | - / - | 2 | Partial |
| 05-07 20:54 | 40m | 0 / - | SV1FJR | - / -8 | 2 | ✓ Confirmed |
| 05-07 20:54 | 40m | +9 / - | IV3IHV | - / -9 | 2 | ✓ Confirmed |
| 05-07 20:47 | 40m | -4 / - | YT1VDA | - / - | 2 | Partial |
| 05-07 20:41 | 40m | +5 / - | YL3ARQ | - / -4 | 3 | ✓ Confirmed |
| 05-07 20:35 | 40m | -1 / - | YU7AS | - / -18 | 3 | Partial |
| 05-07 20:22 | 80m | -2 / - | YO3GNF | - / -17 | 2 | ✓ Confirmed |
| 05-07 20:15 | 80m | +8 / - | RD7O | - / -16 | 4 | ✓ Confirmed |
| 05-06 20:51 | 40m | +12 / - | DL1GLO | - / -16 | 4 | Partial |
| 05-06 20:44 | 40m | -12 / - | EA4BPO | - / - | 3 | Partial |
| 05-06 20:37 | 40m | -16 / - | OM7AMA | - / -11 | 2 | ✓ Confirmed |
| 05-06 20:04 | 80m | -6 / - | F1UGD | - / - | 4 | Partial |
| 05-05 20:32 | 40m | -7 / - | EA8BS | - / -6 | 4 | ✓ Confirmed |
| 05-05 20:30 | 40m | -7 / - | IW9FRA | - / +8 | 7 | Partial |
| 05-05 20:27 | 40m | -2 / - | IW8CLL | - / -9 | 3 | Partial |
| 05-05 20:18 | 80m | +6 / - | US1VAA | - / -13 | 2 | Partial |
Station Log
40m
UTC dB Freq Message 204830 -12 787 JA5MHD AO1RKB R-07 205215 +14 2876 JA5MHD LY100RADIO +01 204130 -6 1370 JA5MHD EA5RR R-10 204200 -8 2991 JA5MHD I1YTO JN44 (x4) 204330 +6 2102 JA5MHD SP9EIJ -13 (x2) 204400 +1 2991 JA5MHD I1YTO JN44 (x2) 204530 -2 2147 JA5MHD OM5ALL JN97 204530 +0 2991 JA5MHD I1YTO JN44 204600 +1 2147 JA5MHD OM5ALL JN97 (x2)
80m
UTC dB Freq Message 193915 +0 1959 JA5MHD YT1VDA KN04 (x5) 200415 -5 652 JA5MHD RQ6A -17 (x2) 200545 -3 1217 JA5MHD YT1VDA KN04 (x8)
20m
UTC dB Freq Message 080645 +17 2935 JA5MHD HB9SNR JN36 (x2) 080730 -17 2428 HB9SNR JA5MHD RR73 080745 +21 2935 JA5MHD HB9SNR R-05 (x2) 081730 +0 1876 JA5MHD F5RRS JN36 081800 -5 1178 JA5MHD HB9TIH JN36 081800 +4 318 JA5MHD F5TA JN07 081800 +1 1375 JA5MHD F5RRS JN36 081830 +5 318 JA5MHD F5TA R-09 081830 +5 1376 JA5MHD F5RRS JN36 081900 -9 1179 JA5MHD HB9TIH JN36 081900 +7 318 JA5MHD F5TA 73 081930 -6 1179 JA5MHD HB9TIH JN36 055830 -21 2076 JA5MHD R8LCA MO27
10m
UTC dB Freq Message 075100 -9 928 JA5MHD A41ZZ -07 071215 -24 1659 SV1PLR JA5MHD R-14 071345 -22 1659 A61OK JA5MHD -19 071445 -19 1658 VU2RPS JA5MHD RR73 071545 -19 1659 A61OK JA5MHD -19 (x2) 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
60m
UTC dB Freq Message 213400 -17 1132 JA5MHD SQ4VW JO93