JN4MIV — FT8 station from Japan
Amateur radio station JN4MIV operating from Japan (grid square JN58). 127 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 14 days, best SNR +25 dB. Heard between 2026-04-24 and 2026-07-19.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
127
Total spots
0
CQ calls
14
Days active
-1 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-24
Last seen: 2026-07-19 18:33 UTC
Last seen: 2026-07-19 18:33 UTC
Frequent QSO partners observed at SO8OO
Stations JN4MIV worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JN4MIV | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-19 20:32 | 20m | 0 / - | DK1STE | - / - | 2 | Partial |
| 07-19 20:10 | 80m | 0 / - | DD8BA | - / - | 10 | Partial |
| 07-19 20:10 | 80m | -2 / - | RO2X | - / - | 3 | Partial |
| 07-19 20:07 | 80m | 0 / - | UA1CEI | - / - | 2 | Partial |
| 06-06 23:05 | 20m | +2 / - | 9X5KM | - / -9 | 2 | Partial |
| 06-05 15:07 | 10m | -4 / - | 9X5KM | - / +5 | 2 | ✓ Confirmed |
| 05-23 20:17 | 20m | +7 / - | DG6VC | - / - | 4 | Partial |
| 05-23 20:14 | 20m | +24 / - | IK1RQX | - / - | 3 | Partial |
| 05-23 20:08 | 20m | -1 / -16 | HZ1TT | -2 / -17 | 13 | ✓ Complete |
| 05-23 20:07 | 20m | -15 / - | 4L7T | - / - | 2 | Partial |
| 05-22 20:17 | 20m | - / - | F8MRQ | -7 / - | 2 | Partial |
| 05-22 20:12 | 20m | 0 / -5 | IK8TPB | -6 / -7 | 4 | ✓ Complete |
| 05-22 20:05 | 20m | -3 / -3 | F6ARS | -3 / - | 4 | ✓ Verified |
| 05-22 20:05 | 20m | -7 / - | IU8RFW | - / -4 | 4 | Partial |
| 05-22 20:00 | 20m | - / -10 | EI5KG | +8 / - | 7 | ✓ Confirmed |
| 05-22 19:59 | 20m | - / -1 | UN3QA | +4 / - | 2 | ✓ Confirmed |
| 05-22 19:57 | 20m | -12 / - | 9J2FI | - / -2 | 2 | ✓ Confirmed |
| 05-17 21:37 | 20m | - / - | M7SQI | -18 / - | 2 | Partial |
| 05-17 21:07 | 20m | -15 / - | US2YW | -6 / - | 2 | ✓ Verified |
| 05-17 21:06 | 20m | - / -5 | OE3UKW | -8 / - | 2 | ✓ Confirmed |
| 05-17 21:04 | 20m | - / - | OH1LA | -8 / - | 2 | Partial |
| 05-17 21:01 | 20m | - / - | EA1AJT | -4 / - | 2 | Partial |
| 05-17 20:59 | 20m | - / - | EA2EED | -8 / - | 2 | Partial |
| 05-17 20:55 | 20m | - / - | TF4M | -1 / - | 3 | Partial |
| 05-17 20:34 | 20m | - / -8 | LZ2PAJ | -4 / - | 4 | Partial |
| 05-17 20:32 | 20m | - / -9 | OX3LX | -5 / - | 4 | ✓ Confirmed |
| 05-17 20:26 | 20m | - / - | EA4GTY | -8 / - | 2 | ✓ Confirmed |
| 05-17 20:23 | 20m | - / - | F5PBG | -4 / - | 2 | Partial |
| 05-17 20:20 | 20m | - / -13 | SM7CAD | -9 / - | 2 | Partial |
| 05-17 20:17 | 20m | -15 / -7 | F4MAG | -13 / +2 | 4 | ✓ Complete |
| 05-17 20:14 | 20m | - / -3 | DL3MIB | -14 / - | 2 | ✓ Confirmed |
| 05-17 20:11 | 20m | - / -12 | YT3D | -5 / - | 5 | ✓ Confirmed |
| 05-17 20:09 | 20m | - / - | E70SZ | -6 / - | 3 | Partial |
| 05-17 20:08 | 20m | - / - | SM5CBN | -6 / - | 2 | Partial |
| 05-17 20:07 | 20m | -8 / - | EA3CSK | - / - | 2 | Partial |
| 05-17 20:05 | 20m | - / -11 | OH7BDI | -2 / - | 5 | ✓ Confirmed |
| 05-17 20:03 | 20m | - / -15 | F1HFP | -2 / - | 2 | ✓ Confirmed |
| 05-17 20:01 | 20m | - / -20 | 4O7DX | 0 / - | 4 | ✓ Confirmed |
| 05-17 20:00 | 20m | - / - | UT1KY | -3 / - | 3 | ✓ Confirmed |
| 05-17 19:57 | 20m | - / -7 | SM7RHI | -6 / - | 4 | ✓ Confirmed |
| 05-16 21:01 | 40m | +5 / - | IK4GLX | - / - | 2 | Partial |
| 05-15 20:32 | 40m | -19 / - | R4AAR | - / -18 | 3 | ✓ Confirmed |
| 05-09 21:47 | 20m | - / - | TA3TK | -12 / - | 2 | Partial |
| 05-09 21:44 | 20m | - / - | UR5QW | -10 / - | 2 | Partial |
| 05-09 21:42 | 20m | - / - | F4BYA | -3 / - | 3 | Partial |
| 05-09 21:34 | 20m | - / -19 | SP7GTA | -9 / - | 2 | ✓ Confirmed |
| 05-09 21:32 | 20m | +2 / -7 | EC3A | -8 / -14 | 4 | ✓ Complete |
| 05-09 21:31 | 20m | +8 / -6 | GW8DX | -9 / -6 | 5 | ✓ Complete |
| 05-09 21:18 | 20m | - / - | GW8DX | -6 / - | 2 | Partial |
| 05-09 21:11 | 20m | -10 / - | F8JIR | - / -10 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 201430 +23 2608 JN4MIV IK1RQX JN44 201430 +5 1762 JN4MIV DL6DK +04 201500 -16 260 JN4MIV IU2RGL R+03 201500 +25 2608 JN4MIV IK1RQX JN44 (x2) 201730 +12 962 JN4MIV DG6VC JN39 201800 -3 259 JN4MIV IU2RGL JN45 201800 +9 962 JN4MIV DG6VC JN39 (x3) 201945 -4 2726 E79KO JN4MIV PM74 230500 +2 797 JN4MIV 9X5KM -09 (x2) 203230 +3 2831 JN4MIV DK1STE JN58 (x2)
40m
UTC dB Freq Message 195515 -6 1900 JN4MIV R4AAR -13 (x2) 195915 +3 745 JN4MIV RA3UAG -10 203230 -19 1771 JN4MIV R4AAR -18 (x3) 210130 +7 1538 JN4MIV IK4GLX JN54 (x2) 201930 -15 2266 JN4MIV SM7XON R-10
80m
UTC dB Freq Message 200730 +0 2343 JN4MIV UA1CEI KP50 (x2) 201030 -4 2164 JN4MIV RO2X KO74 201030 -1 2273 JN4MIV DD8BA JO42 201100 -2 2164 JN4MIV RO2X KO74 201100 -4 2273 JN4MIV DD8BA JO42 (x2) 201130 +0 2164 JN4MIV RO2X KO74 201200 +2 2273 JN4MIV DD8BA JO42 (x7)
10m
UTC dB Freq Message 150730 -5 1897 JN4MIV 9X5KM +05 (x2)