KR4DEV — FT8 station from United States
Amateur radio station KR4DEV operating from United States (grid square JO21). 181 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, over 11 days, best SNR +23 dB. Heard between 2026-04-21 and 2026-05-13.
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Overview
181
Total spots
1
CQ calls
11
Days active
-8 dB
Avg SNR
Bands
20m
40m
First seen: 2026-04-21
Last seen: 2026-05-13 11:44 UTC
Last seen: 2026-05-13 11:44 UTC
Frequent QSO partners observed at SO8OO
Stations KR4DEV worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KR4DEV | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-13 13:43 | 20m | +1 / - | PI4DX | - / - | 3 | Partial |
| 05-13 00:11 | 20m | -9 / - | EA5CMW | - / -10 | 3 | ✓ Confirmed |
| 05-10 12:23 | 20m | +10 / - | F4FSY | - / -15 | 2 | Partial |
| 05-10 00:12 | 20m | -17 / - | K1CXS | - / - | 5 | Partial |
| 05-09 22:24 | 20m | +3 / - | EA1IOK | - / - | 3 | ✓ Confirmed |
| 05-09 21:43 | 20m | -17 / - | KC2RAI | - / - | 2 | Partial |
| 05-09 21:11 | 20m | -18 / - | DK9ZQ | - / -21 | 2 | Partial |
| 05-08 00:45 | 20m | -6 / - | VE3GLN | - / -22 | 2 | ✓ Confirmed |
| 05-08 00:36 | 20m | -14 / - | KB4GM | - / - | 3 | Partial |
| 05-08 00:18 | 20m | -15 / - | KO3F | - / - | 3 | Partial |
| 05-08 00:18 | 20m | -16 / - | W3YNI | - / -6 | 2 | Partial |
| 05-07 23:32 | 20m | +4 / - | DK9ZQ | - / -21 | 14 | Partial |
| 05-07 23:30 | 20m | -3 / - | DK7ZT | - / -11 | 3 | Partial |
| 05-07 23:08 | 20m | -4 / - | DK7ZT | - / -15 | 3 | Partial |
| 05-07 23:05 | 20m | -15 / - | F4FLF | - / - | 3 | Partial |
| 05-06 01:12 | 40m | -5 / - | F4GTB | - / - | 4 | Partial |
| 05-05 01:16 | 40m | -6 / - | F4CQS | - / -11 | 4 | Partial |
| 05-05 01:07 | 40m | -2 / - | IU8RFW | - / -23 | 3 | ✓ Confirmed |
| 05-05 01:07 | 40m | -1 / - | SP5PDA | - / - | 3 | Partial |
| 05-05 00:59 | 40m | -9 / - | PA3KUS | - / - | 13 | Partial |
| 05-05 00:50 | 40m | -18 / - | HA7TM | - / -11 | 3 | ✓ Confirmed |
| 05-05 00:12 | 40m | -14 / - | IN3IZQ | - / - | 7 | Partial |
| 04-30 11:42 | 20m | -16 / - | PD1AC | - / - | 3 | Partial |
| 04-30 03:55 | 40m | -6 / - | IW9FRA | - / - | 8 | Partial |
| 04-30 03:50 | 40m | -11 / - | G0OYQ | - / - | 2 | Partial |
| 04-30 03:50 | 40m | +5 / - | IU4BJC | - / -7 | 8 | Partial |
| 04-30 03:36 | 40m | +2 / - | IW0HLZ | - / -16 | 3 | ✓ Confirmed |
| 04-30 03:36 | 40m | -11 / - | PD9OH | - / - | 2 | Partial |
| 04-30 03:30 | 40m | +8 / - | IZ8DBJ | - / -21 | 3 | ✓ Confirmed |
| 04-30 03:26 | 40m | -15 / - | EB3JT | - / -14 | 3 | ✓ Confirmed |
| 04-30 03:22 | 40m | -2 / - | IU1TLG | - / -16 | 2 | Partial |
| 04-30 03:13 | 40m | -10 / - | UW8SM | - / -18 | 2 | ✓ Confirmed |
| 04-30 03:12 | 40m | -13 / - | PD1HBL | - / - | 10 | Partial |
| 04-30 03:02 | 40m | -22 / - | S52D | - / -23 | 3 | ✓ Confirmed |
| 04-30 03:01 | 40m | -6 / - | IU1TLG | - / - | 2 | Partial |
| 04-30 03:00 | 40m | +2 / - | SV4LGX | - / - | 2 | Partial |
| 04-30 02:54 | 40m | -12 / - | IZ8PPI | - / -14 | 2 | Partial |
| 04-30 02:47 | 40m | -14 / - | KC1UVP | - / - | 4 | Partial |
| 04-30 01:41 | 20m | -10 / - | SP5EXA | - / -12 | 3 | ✓ Confirmed |
| 04-30 01:27 | 20m | -20 / - | F5RRS | - / - | 2 | Partial |
| 04-30 01:26 | 20m | -7 / - | IK4LZH | - / -5 | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 233830 -11 579 KR4DEV N1NRL R-12 001230 -17 1619 KR4DEV K1CXS FN33 (x5) 122345 +9 1201 KR4DEV F4FSY -15 (x2) 001100 -7 1823 KR4DEV EA5CMW -10 (x3) 003330 -24 1885 KR4DEV HA7TM JN97 134330 +2 1267 KR4DEV PI4DX JO21 (x3)
40m
UTC dB Freq Message 010900 -4 2281 KR4DEV PA3KUS JO21 010900 -3 1916 KR4DEV IU8RFW -23 010930 -5 2282 KR4DEV PA3KUS JO21 011030 -1 1916 KR4DEV IU8RFW RR73 011615 -1 1838 KR4DEV F4CQS -11 (x4) 011215 -4 1790 KR4DEV F4GTB JN18 (x4) 011415 -10 1790 KR4DEV F4CQS -16 011415 +23 2880 KR4DEV HB9DVO JN47 011745 -24 1447 KR4DEV AE1JR FN42