JA4FKX — FT8 station from Japan
Amateur radio station JA4FKX operating from Japan (grid square JN24). 1,016 FT8 spots received at SO8OO WebSDR, 113 CQ calls, active on 80m, 60m, 40m, 20m, 10m, over 52 days, best SNR +20 dB. Heard between 2026-04-26 and 2026-07-25.
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Overview
1,016
Total spots
113
CQ calls
52
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
First seen: 2026-04-26
Last seen: 2026-07-25 16:47 UTC
Last seen: 2026-07-25 16:47 UTC
Frequent QSO partners observed at SO8OO
Stations JA4FKX worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA4FKX | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-23 17:52 | 20m | -7 / - | F1PPH | - / - | 8 | Partial |
| 07-21 20:23 | 40m | -3 / - | OZ1CM | - / - | 3 | Partial |
| 07-21 20:07 | 40m | -21 / - | DB7SO | - / -9 | 3 | Partial |
| 07-21 20:07 | 40m | -9 / - | OH4JFN | - / - | 2 | Partial |
| 07-21 19:56 | 40m | +8 / - | DL4KER | - / -14 | 2 | ✓ Confirmed |
| 07-21 19:49 | 40m | +2 / -15 | S58Z | -4 / - | 4 | ✓ Complete |
| 07-21 19:40 | 40m | -7 / - | YO4FRF | - / -12 | 3 | ✓ Confirmed |
| 07-21 19:39 | 40m | -8 / - | SQ4VW | - / - | 2 | ✓ Confirmed |
| 07-21 19:38 | 40m | -4 / - | SP6DT | -11 / -6 | 4 | ✓ Verified |
| 07-21 19:36 | 40m | -8 / - | DL9MRF | - / -17 | 3 | ✓ Confirmed |
| 07-21 19:35 | 40m | -12 / - | S51PV | - / +3 | 2 | Partial |
| 07-21 19:34 | 40m | +1 / - | E70SZ | - / - | 2 | ✓ Confirmed |
| 07-21 19:31 | 40m | -14 / - | SQ9SET | - / - | 4 | ✓ Confirmed |
| 07-21 19:30 | 40m | +5 / - | OK4PA | - / - | 3 | ✓ Confirmed |
| 07-21 17:54 | 20m | - / - | TU5MM | -4 / - | 3 | Partial |
| 07-21 17:42 | 20m | - / - | TU5MM | -6 / - | 13 | Partial |
| 07-21 17:37 | 20m | - / - | TU5MM | -3 / - | 5 | Partial |
| 07-20 21:05 | 20m | - / - | VY0ERC | -10 / - | 6 | Partial |
| 07-20 21:03 | 20m | - / - | OH0/DL1SVA | -6 / - | 3 | Partial |
| 07-20 20:56 | 20m | - / -13 | D44AG | -4 / - | 11 | ✓ Confirmed |
| 07-20 20:03 | 20m | - / - | MM7YKZ | -2 / - | 2 | Partial |
| 07-20 20:02 | 20m | -24 / - | IU0VOG | - / - | 2 | Partial |
| 07-20 19:57 | 20m | - / -15 | EA4IAH | +1 / - | 5 | ✓ Confirmed |
| 07-20 19:53 | 20m | - / -15 | D44AG | +5 / - | 7 | ✓ Confirmed |
| 07-19 20:56 | 20m | - / -22 | CR7BPM | +6 / - | 3 | ✓ Confirmed |
| 07-19 20:44 | 20m | -12 / - | M7TLM | - / -5 | 3 | Partial |
| 07-19 20:38 | 20m | - / -6 | IZ8EYN | -4 / - | 2 | ✓ Confirmed |
| 07-19 20:28 | 20m | -9 / - | M8KUG | -6 / - | 2 | ✓ Verified |
| 07-19 20:25 | 20m | - / -5 | DK8PR | -4 / - | 4 | Partial |
| 07-19 20:23 | 20m | - / -13 | <...> | -1 / - | 2 | Partial |
| 07-19 20:17 | 20m | -11 / - | DL4KER | -11 / - | 2 | ✓ Verified |
| 07-19 20:14 | 20m | - / -16 | G1CEC | -4 / - | 5 | Partial |
| 07-19 20:12 | 20m | -16 / -4 | 4O4DB | -12 / - | 3 | ✓ Verified |
| 07-19 20:08 | 20m | -3 / -14 | G7FOI | -4 / -11 | 5 | ✓ Complete |
| 07-19 20:01 | 20m | - / -20 | OM8YZ | -13 / - | 3 | Partial |
| 07-19 19:49 | 20m | - / -14 | TA3XEE | -14 / - | 2 | ✓ Confirmed |
| 07-19 19:47 | 20m | -13 / -9 | DL9KM | -16 / -4 | 6 | ✓ Complete |
| 07-19 19:47 | 20m | -18 / - | RA6OF | - / - | 2 | Partial |
| 07-19 19:46 | 20m | +4 / - | DK1STE | 0 / -12 | 6 | ✓ Verified |
| 07-19 19:39 | 20m | -6 / - | F4CVA | - / -5 | 2 | ✓ Confirmed |
| 07-19 19:36 | 20m | - / -12 | <...> | -7 / - | 3 | Partial |
| 07-19 19:33 | 20m | - / -14 | IN3IZQ | -15 / - | 3 | Partial |
| 07-19 19:31 | 20m | - / -7 | DL9MY | -6 / - | 2 | ✓ Confirmed |
| 07-19 19:29 | 20m | -19 / -11 | JY4CI | -13 / - | 3 | ✓ Verified |
| 07-19 19:27 | 20m | -14 / - | I1FLC | -11 / -11 | 3 | ✓ Verified |
| 07-19 19:20 | 20m | -14 / -19 | PC9K | -1 / - | 6 | ✓ Verified |
| 07-19 19:17 | 20m | - / -11 | PA0CCB | +1 / - | 3 | ✓ Confirmed |
| 07-19 19:15 | 20m | -12 / - | 9A6NCC | - / -4 | 2 | ✓ Confirmed |
| 07-18 20:02 | 20m | -12 / - | SN1B | - / - | 2 | Partial |
| 07-18 20:02 | 20m | -9 / -10 | PD0FF | +6 / - | 4 | Partial |
Station Log
20m
UTC dB Freq Message 174930 -10 2637 TU5MM JA4FKX PM64 (x4) 174845 +0 559 HB9IRQ JA4FKX -14 175145 +1 321 CQ EU JA4FKX PM64 175230 -6 321 JA4FKX F1PPH JN25 (x8) 184745 +11 678 JA4FKX F5PGA JN24
40m
UTC dB Freq Message 195015 +3 2938 JA4FKX S58Z RR73 195630 +11 440 JA4FKX DL4KER -14 (x2) 200645 -10 414 CQ EU JA4FKX PM64 (x2) 200730 -22 1391 JA4FKX DB7SO JN58 200730 -8 415 JA4FKX OH4JFN KP32 (x2) 200900 -22 1391 JA4FKX DB7SO -09 (x2) 201030 -13 787 JA4FKX EA7HHK RR73 201115 -10 2665 SV1GRN JA4FKX PM64 202330 -1 415 JA4FKX OZ1CM JO46 (x3)
10m
UTC dB Freq Message 194130 -14 794 JA4FKX EA3AT JN00 085230 -22 1881 JA4FKX IU0VOG JN61 (x2)
80m
UTC dB Freq Message 195730 -13 746 JA4FKX 9X5KM -18
60m
UTC dB Freq Message 214545 -15 1231 JA4FKX 4L7T LN21 (x3) 195045 -18 1831 JA4FKX SP5GW KO02