KO3ZDE — FT8 station from United States
Amateur radio station KO3ZDE operating from United States (grid square JN37). 255 FT8 spots received at SO8OO WebSDR, 8 CQ calls, active on 80m, 60m, 40m, 20m, over 11 days, best SNR +20 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
255
Total spots
8
CQ calls
11
Days active
-3 dB
Avg SNR
Bands
80m
40m
20m
60m
First seen: 2026-04-21
Last seen: 2026-05-14 04:04 UTC
Last seen: 2026-05-14 04:04 UTC
Frequent QSO partners observed at SO8OO
Stations KO3ZDE worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KO3ZDE | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-14 06:04 | 40m | -6 / - | DG5AR | - / - | 2 | Partial |
| 05-14 06:01 | 40m | +14 / - | EW4DX | - / - | 6 | Partial |
| 05-14 06:01 | 40m | -18 / - | PD8MD | - / - | 2 | Partial |
| 05-14 06:00 | 40m | -12 / - | G0OYQ | - / -10 | 3 | ✓ Confirmed |
| 05-14 06:00 | 40m | -4 / - | YO6LM | - / - | 2 | Partial |
| 05-14 05:59 | 40m | -14 / - | DF7QR | - / -3 | 2 | ✓ Confirmed |
| 05-14 05:57 | 40m | -14 / - | ON7HM | - / - | 2 | Partial |
| 05-14 05:57 | 40m | -2 / - | 9A4ZM | - / - | 4 | Partial |
| 05-14 05:54 | 40m | +1 / - | YO6LM | - / - | 2 | Partial |
| 05-14 05:53 | 40m | -13 / - | ON4BMA | - / -15 | 3 | ✓ Confirmed |
| 05-14 05:52 | 40m | -8 / - | F4LNM | - / -12 | 4 | ✓ Confirmed |
| 05-14 05:52 | 40m | -11 / - | DL2YBG | - / - | 3 | Partial |
| 05-14 05:52 | 40m | -5 / - | F1PBZ | - / -5 | 2 | ✓ Confirmed |
| 05-14 04:44 | 20m | -4 / - | TA3TK | - / - | 2 | Partial |
| 05-14 04:38 | 20m | -15 / - | UY5AX | - / - | 7 | Partial |
| 05-14 04:36 | 20m | +10 / - | R6FX | - / -20 | 3 | ✓ Confirmed |
| 05-14 04:35 | 20m | +10 / - | UA6HGM | - / -12 | 2 | ✓ Confirmed |
| 05-13 02:02 | 20m | -13 / - | UN0GY | - / -10 | 2 | ✓ Confirmed |
| 05-13 01:46 | 40m | +1 / - | DL1EBW | - / -12 | 3 | ✓ Confirmed |
| 05-13 01:42 | 40m | +1 / - | IZ8DBJ | -18 / -10 | 4 | ✓ Verified |
| 05-13 01:37 | 40m | -11 / - | ON4MAP | - / - | 4 | Partial |
| 05-12 06:53 | 20m | 0 / - | M0CSD | - / - | 4 | Partial |
| 05-12 06:52 | 20m | -10 / - | RC1TB | - / - | 2 | Partial |
| 05-12 06:20 | 20m | +16 / - | RA4HL | - / -16 | 2 | ✓ Confirmed |
| 05-12 06:15 | 20m | +2 / - | EC3A | - / -8 | 2 | ✓ Confirmed |
| 05-12 06:15 | 20m | +11 / - | RU3DNN | - / - | 4 | Partial |
| 05-12 06:15 | 20m | -6 / - | SV1AIN | - / - | 2 | Partial |
| 05-12 06:11 | 20m | +2 / - | F5IXN | - / - | 3 | Partial |
| 05-08 05:32 | 40m | -12 / - | DL9KM | - / - | 4 | Partial |
| 05-08 05:31 | 40m | +14 / - | DL3MIB | - / - | 5 | Partial |
| 05-08 05:29 | 40m | +1 / - | DL8TT | - / - | 3 | Partial |
| 05-08 05:27 | 40m | -10 / - | F5JQF | - / - | 2 | Partial |
| 05-08 05:20 | 40m | -11 / - | PD2GJS | - / - | 3 | Partial |
| 05-08 05:16 | 40m | +2 / -22 | LZ5EO | -16 / -13 | 8 | ✓ Complete |
| 05-08 05:14 | 40m | -11 / - | F5JQF | - / - | 4 | Partial |
| 05-08 05:13 | 40m | 0 / - | DL2RPN | - / -12 | 3 | Partial |
| 05-08 05:09 | 40m | -4 / - | DF9NV | - / -11 | 5 | ✓ Confirmed |
| 05-08 05:08 | 40m | +2 / - | IU2WCY | - / - | 2 | ✓ Confirmed |
| 05-08 05:07 | 40m | -4 / - | PE1NPS | - / - | 3 | Partial |
| 05-08 05:06 | 40m | - / -15 | SP5LST | -24 / - | 2 | ✓ Confirmed |
| 05-08 05:04 | 40m | -4 / -16 | DL6AZ | -20 / -6 | 6 | ✓ Complete |
| 05-08 05:04 | 40m | -10 / - | F5JQF | - / - | 4 | Partial |
| 05-08 05:04 | 40m | -12 / -15 | M7KSV | -13 / -19 | 2 | Partial |
| 05-08 05:02 | 40m | -16 / -4 | EA7JBN | -14 / -18 | 7 | ✓ Complete |
| 05-08 05:00 | 40m | +10 / -8 | IQ4JO | -10 / -10 | 4 | ✓ Complete |
| 05-08 04:23 | 40m | -12 / - | YO6LM | - / - | 2 | Partial |
| 05-08 04:21 | 40m | - / -14 | RA2FCF | -10 / - | 4 | ✓ Confirmed |
| 05-07 03:20 | 20m | -14 / -18 | <...> | -12 / -15 | 8 | Partial |
| 05-07 02:56 | 20m | - / -21 | TN8GD | -11 / - | 9 | Partial |
| 05-06 07:26 | 40m | -16 / - | F4IVZ | - / - | 2 | Partial |
Station Log
40m
UTC dB Freq Message 060115 +14 2776 KO3ZDE EW4DX KO23 060115 -17 2072 KO3ZDE PD8MD JO32 060115 -14 648 KO3ZDE G0OYQ R-10 060145 +17 2776 KO3ZDE EW4DX KO23 060145 +5 2448 KO3ZDE OK1CT JN69 060145 -19 2072 KO3ZDE PD8MD JO32 060145 -7 647 KO3ZDE G0OYQ 73 060145 +0 1718 KO3ZDE YO6LM KN25 060145 +1 300 KO3ZDE DG0OME JO51 060215 +17 2776 KO3ZDE EW4DX KO23 (x4) 060415 -7 2888 KO3ZDE DG5AR JN37 (x2)
20m
UTC dB Freq Message 043315 -19 2089 KO3ZDE UR5FS KN56 043545 +9 2436 KO3ZDE UA6HGM R-12 (x2) 043615 +10 2456 KO3ZDE R6FX LN14 (x3) 043815 -18 815 KO3ZDE UY5AX KO70 (x7) 044445 -3 871 KO3ZDE TA3TK KM38 (x2)
80m
UTC dB Freq Message 034230 -24 2205 NX0R KO3ZDE -06 (x2) 034330 -24 2205 NA5C KO3ZDE R+16 034530 -24 2152 KF9UG KO3ZDE RR73 034645 +4 462 KO3ZDE DL3OCF JO51 (x2) 034845 +1 898 KO3ZDE DL3QC R+02 034915 +5 421 KO3ZDE DL3OCF JO51 034915 -2 898 KO3ZDE DL3QC 73 034945 +4 421 KO3ZDE DL3OCF R-14 041545 +7 2206 KO3ZDE DO9BAU JO62 (x5)
60m
UTC dB Freq Message 052900 -8 849 KO3ZDE IK4CBO JN54 (x2) 053030 +1 1451 KO3ZDE DL6ZXG JO51 053030 -2 850 KO3ZDE IK4CBO R-14 053100 +6 1451 KO3ZDE DL6ZXG JO51 053100 -5 849 KO3ZDE IK4CBO 73 053130 +3 1451 KO3ZDE DL6ZXG JO51 (x4) 053830 -10 1897 KO3ZDE HB9DVO JN47 (x4) 054100 -18 1237 KO3ZDE F4IDN IN97