K4ISU — FT8 station from United States
Amateur radio station K4ISU operating from United States. 94 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 6 days, best SNR +27 dB. Heard between 2026-04-24 and 2026-05-11.
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Overview
94
Total spots
0
CQ calls
6
Days active
-3 dB
Avg SNR
Bands
20m
40m
First seen: 2026-04-24
Last seen: 2026-05-11 02:16 UTC
Last seen: 2026-05-11 02:16 UTC
Frequent QSO partners observed at SO8OO
Stations K4ISU worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | K4ISU | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-11 04:15 | 40m | -12 / - | OZ1BLP | - / -18 | 3 | ✓ Confirmed |
| 05-11 04:13 | 40m | +6 / - | YO8RAW | - / -15 | 2 | Partial |
| 05-11 04:08 | 40m | -4 / - | PA3BUD | - / -10 | 2 | Partial |
| 05-11 04:02 | 40m | +13 / - | DL3MIB | - / - | 5 | Partial |
| 05-11 03:52 | 40m | +1 / - | US2UM | - / - | 5 | Partial |
| 05-11 03:49 | 40m | -18 / - | SQ8AGI | - / -16 | 7 | Partial |
| 05-11 03:41 | 40m | - / -4 | DH5YBE | -20 / - | 2 | Partial |
| 05-11 03:37 | 40m | -21 / - | PA0ARR | - / - | 2 | Partial |
| 05-11 03:16 | 40m | +5 / - | IK1QLD | - / - | 2 | Partial |
| 05-11 02:50 | 20m | -11 / - | UN7EAX | - / - | 2 | Partial |
| 05-08 20:21 | 20m | -6 / - | EA4T | - / -12 | 3 | Partial |
| 05-08 20:16 | 20m | -4 / - | EA4T | - / -13 | 2 | Partial |
| 05-04 02:46 | 40m | -21 / - | K2DBK | - / - | 3 | ✓ Confirmed |
| 05-01 19:22 | 20m | -9 / - | EA5JKT | - / -23 | 11 | Partial |
| 05-01 19:19 | 20m | +1 / - | EA4T | - / -16 | 2 | ✓ Confirmed |
| 04-27 03:39 | 40m | +11 / - | 9A5CW | - / - | 5 | Partial |
| 04-27 03:05 | 40m | +12 / - | DL3MIB | - / - | 5 | Partial |
| 04-27 02:56 | 40m | +2 / - | SV4LGX | - / -19 | 2 | Partial |
| 04-27 02:47 | 40m | -8 / - | F4BYA | - / -8 | 2 | Partial |
| 04-27 02:25 | 40m | +23 / - | LZ3CB | - / -17 | 7 | Partial |
| 04-27 02:21 | 40m | -12 / - | 9A5CW | - / -17 | 2 | Partial |
| 04-24 20:21 | 20m | 0 / - | IS0LYN | - / -20 | 2 | Partial |
| 04-24 20:16 | 20m | -8 / - | EA2DDG | - / -11 | 3 | ✓ Confirmed |
| 04-24 20:08 | 20m | -4 / - | EA4T | - / -13 | 3 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 035445 -14 2635 K4ISU SQ8AGI KO01 035445 +7 2153 K4ISU US2UM KO50 035615 -13 2634 K4ISU SQ8AGI KO01 040245 +14 979 K4ISU DL3MIB JN57 (x5) 040815 -6 2216 K4ISU PA3BUD JO21 (x2) 041345 +9 881 K4ISU YO8RAW -15 (x2) 041545 -15 1230 K4ISU OZ1BLP JO46 (x3)
20m
UTC dB Freq Message 192545 -12 2057 K4ISU EA5JKT R-23 (x7) 201615 -5 1377 K4ISU EA4T -13 (x5) 023445 -8 2109 K4ISU 7Z1DM +00 025045 -12 2637 K4ISU UN7EAX MO52 (x2)