OK1ZJK — FT8 station from Czech Republic
Amateur radio station OK1ZJK operating from Czech Republic. 6,111 FT8 spots received at SO8OO WebSDR, 3,390 CQ calls, active on 80m, 40m, 20m, 10m, over 39 days, best SNR +22 dB. Heard between 2026-04-22 and 2026-07-15.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
6,111
Total spots
3,390
CQ calls
39
Days active
-6 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-04-22
Last seen: 2026-07-15 06:11 UTC
Last seen: 2026-07-15 06:11 UTC
Frequent QSO partners observed at SO8OO
Stations OK1ZJK worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | OK1ZJK | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-15 08:09 | 20m | -5 / - | UT7UJ | - / +4 | 5 | Partial |
| 07-15 08:03 | 20m | -22 / - | UT8UE | - / -7 | 3 | ✓ Confirmed |
| 07-15 07:56 | 20m | -22 / - | RX3DQL | - / - | 2 | Partial |
| 07-14 15:45 | 20m | -4 / - | DL1R | - / - | 5 | Partial |
| 07-14 14:57 | 20m | -14 / - | DL8MRE | - / - | 2 | Partial |
| 07-14 14:50 | 20m | -12 / - | IK2YYO | - / - | 3 | Partial |
| 07-14 14:17 | 20m | -9 / - | DG1KFR | - / - | 3 | ✓ Confirmed |
| 07-14 13:43 | 20m | -16 / - | PD1ADA | - / - | 4 | Partial |
| 07-14 13:26 | 20m | -19 / - | PD1ADA | - / - | 3 | Partial |
| 07-14 13:04 | 20m | -20 / - | RU3QR | - / -17 | 2 | Partial |
| 07-13 09:46 | 10m | -9 / - | IU5TUG | - / -1 | 3 | ✓ Confirmed |
| 07-13 09:26 | 10m | -6 / - | IT9VCE | - / -2 | 3 | ✓ Confirmed |
| 07-13 08:00 | 10m | - / -17 | EA5JCC | -21 / - | 2 | ✓ Confirmed |
| 07-13 07:48 | 10m | - / -15 | RX3AJM | -22 / - | 2 | ✓ Confirmed |
| 07-13 07:38 | 10m | -22 / - | R2RBV | - / - | 2 | Partial |
| 07-13 07:37 | 10m | - / - | YO9DF | -18 / - | 2 | ✓ Confirmed |
| 07-13 07:34 | 10m | - / +1 | HG0NBI | -21 / - | 2 | ✓ Confirmed |
| 07-13 07:30 | 10m | - / -25 | RA3PGR | -17 / - | 4 | ✓ Confirmed |
| 07-13 07:26 | 10m | - / -5 | EA5JLX | -17 / - | 3 | ✓ Confirmed |
| 07-13 07:21 | 10m | - / -13 | R3PA | -2 / - | 3 | ✓ Confirmed |
| 07-13 07:05 | 10m | - / - | LZ3DU | -8 / - | 2 | ✓ Confirmed |
| 07-13 06:54 | 10m | -9 / - | SV6GIM | - / -7 | 2 | ✓ Confirmed |
| 07-09 06:57 | 40m | - / -15 | DK7CVD | -16 / - | 3 | ✓ Confirmed |
| 07-09 06:32 | 40m | - / -9 | G4XJC | -9 / - | 3 | Partial |
| 07-09 06:29 | 40m | - / +1 | <...> | -12 / - | 2 | ✓ Confirmed |
| 07-09 06:29 | 40m | -6 / - | S57XX | - / - | 2 | ✓ Confirmed |
| 07-09 06:26 | 40m | -19 / -12 | SQ7OBB | -13 / -18 | 7 | ✓ Complete |
| 07-09 06:21 | 40m | - / -18 | G0ROG | -15 / - | 3 | Partial |
| 07-09 06:19 | 40m | - / -17 | G0OYQ | -14 / - | 2 | ✓ Confirmed |
| 07-09 06:12 | 40m | - / -25 | OH7FAE | -13 / - | 2 | ✓ Confirmed |
| 07-09 05:35 | 40m | - / -25 | F4MUD | -11 / - | 4 | ✓ Confirmed |
| 07-09 05:12 | 40m | - / -15 | PD5WA | -12 / - | 3 | ✓ Confirmed |
| 07-09 05:11 | 40m | -20 / - | HA3GX | - / - | 3 | Partial |
| 07-09 05:05 | 40m | - / -12 | M9PMB | -9 / - | 3 | ✓ Confirmed |
| 07-09 04:43 | 40m | -8 / - | IQ4JO | - / - | 2 | Partial |
| 07-09 03:31 | 40m | -23 / - | UW5ESX | - / -16 | 3 | Partial |
| 07-09 03:22 | 40m | -24 / - | UA6LIK | - / -6 | 2 | ✓ Confirmed |
| 07-09 02:20 | 40m | -15 / - | R6DZL | - / -5 | 3 | ✓ Confirmed |
| 07-08 23:55 | 40m | -18 / - | EA3CU | - / -5 | 2 | ✓ Confirmed |
| 07-08 23:27 | 40m | -19 / - | IN3IZQ | - / - | 3 | Partial |
| 07-08 23:22 | 40m | -23 / - | IN3IZQ | - / - | 2 | Partial |
| 07-08 23:11 | 40m | -16 / - | G4SRT | - / - | 2 | ✓ Confirmed |
| 07-08 22:38 | 40m | +4 / - | IQ4JO | - / - | 2 | Partial |
| 07-08 22:28 | 40m | - / -16 | M8KUG | -10 / - | 2 | ✓ Confirmed |
| 07-08 22:26 | 40m | +4 / - | IQ4JO | - / - | 3 | Partial |
| 07-08 22:23 | 40m | - / -14 | MI5JYK | -14 / - | 3 | ✓ Confirmed |
| 07-08 22:21 | 40m | +6 / - | IQ4JO | - / - | 2 | Partial |
| 07-08 22:17 | 40m | +4 / - | IQ4JO | - / - | 2 | Partial |
| 07-08 22:12 | 40m | - / -25 | M7GOA | -13 / - | 3 | ✓ Confirmed |
| 07-08 22:07 | 40m | - / -11 | ON1PK | -13 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 154615 +1 2721 OK1ZJK DL1R JN58 (x4) 072045 +0 2878 OK1ZJK F1PBZ -02 075645 -23 1772 OK1ZJK RX3DQL KO95 (x2) 080315 -24 2074 OK1ZJK UT8UE KO50 (x3) 080915 -11 2075 OK1ZJK UT7UJ +04 (x5)
10m
UTC dB Freq Message 080815 -19 2093 CQ OK1ZJK JN79 (x2) 080930 -16 1564 OK1ZJK SV2BRT KN10 081115 -22 2093 CQ OK1ZJK JN79 (x2) 090630 -19 1901 OK1ZJK HB9FBG 73 090930 -13 2093 OK1ZJK SV2HXV KN10 091800 -19 2092 OK1ZJK 4Z5ML KM72 092630 -8 826 OK1ZJK IT9VCE JM77 (x3) 094630 -11 1110 OK1ZJK IU5TUG JN53 (x3) 102400 -3 2944 OK1ZJK E75FM JN93
40m
UTC dB Freq Message 065115 -11 2035 CQ OK1ZJK JN79 (x10) 065715 -16 2035 DK7CVD OK1ZJK -15 (x3) 065915 -14 2035 CQ OK1ZJK JN79 (x2)
80m
UTC dB Freq Message 195115 +14 2000 CQ OK1ZJK JN79 (x2) 195200 -3 953 OK1ZJK IK2SAU JN55 195215 +15 2000 IK2SAU OK1ZJK -05 195230 -3 952 OK1ZJK IK2SAU R+28 195245 +7 2000 IK2SAU OK1ZJK RR73 195300 +0 953 OK1ZJK IK2SAU 73 195345 +10 2000 CQ OK1ZJK JN79 (x4) 195630 +2 2507 OK1ZJK EW7EL -10 195745 -20 1999 CQ OK1ZJK JN79 (x3)