OK1SI — FT8 station from Czech Republic
Amateur radio station OK1SI operating from Czech Republic. 338 FT8 spots received at SO8OO WebSDR, 124 CQ calls, active on 80m, 40m, 20m, over 15 days, best SNR +21 dB. Heard between 2026-05-07 and 2026-07-23.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
338
Total spots
124
CQ calls
15
Days active
0 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-05-07
Last seen: 2026-07-23 10:15 UTC
Last seen: 2026-07-23 10:15 UTC
Frequent QSO partners observed at SO8OO
Stations OK1SI worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | OK1SI | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-23 12:11 | 20m | -20 / - | F4HSB | - / - | 2 | ✓ Confirmed |
| 07-23 12:09 | 20m | -11 / -6 | F1PBZ | -19 / -6 | 3 | ✓ Complete |
| 07-14 23:49 | 80m | -4 / +1 | DL9KM | +11 / +2 | 4 | ✓ Complete |
| 07-14 23:49 | 80m | -4 / -11 | RD4HX | +16 / - | 13 | Partial |
| 07-14 23:47 | 80m | -14 / -19 | EA8DS | +16 / - | 3 | ✓ Verified |
| 07-14 23:45 | 80m | - / -18 | PA0LAN | +18 / - | 2 | ✓ Confirmed |
| 07-14 23:43 | 80m | -8 / -6 | G8IHT | +14 / -9 | 5 | ✓ Complete |
| 07-14 23:43 | 80m | +3 / -2 | HA3GX | +16 / - | 4 | ✓ Verified |
| 07-14 22:33 | 40m | -16 / - | PA0RF | - / -9 | 3 | ✓ Confirmed |
| 07-14 21:56 | 40m | -15 / - | IS0BPX | - / - | 4 | ✓ Confirmed |
| 07-13 21:43 | 80m | 0 / -4 | EU1EU | +6 / -4 | 4 | ✓ Complete |
| 07-13 21:40 | 80m | - / -16 | DO4HHK | +6 / - | 5 | ✓ Confirmed |
| 07-13 21:39 | 80m | -2 / - | HB9IRO | - / - | 2 | Partial |
| 07-13 21:37 | 80m | -24 / - | CR7BXA | +8 / -1 | 4 | Partial |
| 07-13 21:35 | 80m | 0 / +1 | PI4APD | +6 / -3 | 6 | ✓ Complete |
| 07-13 21:31 | 40m | - / - | IZ8PPI | -14 / - | 2 | ✓ Confirmed |
| 07-13 21:29 | 40m | +5 / - | SP9MOA | - / -3 | 2 | Partial |
| 07-13 21:27 | 40m | -16 / - | RX9WM | - / - | 2 | ✓ Confirmed |
| 07-12 21:03 | 80m | -8 / +3 | DJ3HW | 0 / - | 4 | ✓ Complete |
| 07-12 20:51 | 80m | - / -18 | F4JYH | +4 / - | 2 | ✓ Confirmed |
| 07-12 20:45 | 80m | - / -3 | OY/DO1BBM/M | -3 / - | 2 | Partial |
| 07-12 20:42 | 80m | -6 / +1 | DO2RG | +15 / +6 | 4 | ✓ Complete |
| 07-12 20:39 | 80m | -11 / - | ON1BH | +10 / -8 | 5 | ✓ Complete |
| 07-12 20:38 | 80m | - / -13 | DL80BOCH | +8 / - | 2 | Partial |
| 07-12 20:30 | 80m | - / - | <...> | +15 / - | 13 | Partial |
| 07-12 20:20 | 80m | - / -14 | DO9MH | +17 / - | 2 | Partial |
| 07-12 20:19 | 80m | - / -13 | SP5TBE | +10 / - | 2 | ✓ Confirmed |
| 07-12 20:15 | 80m | -16 / -13 | UB3BDJ | +15 / - | 5 | Partial |
| 07-12 20:14 | 80m | -7 / -6 | SQ2BXJ | +14 / - | 3 | ✓ Complete |
| 07-12 20:11 | 80m | - / -10 | DL9YNG | +14 / - | 2 | ✓ Confirmed |
| 07-12 20:07 | 80m | 0 / -2 | HA3GX | +13 / +5 | 5 | ✓ Complete |
| 07-12 20:07 | 80m | - / -12 | DO2DH | +15 / - | 2 | ✓ Confirmed |
| 07-12 20:05 | 80m | -6 / +1 | DO1NJN | +14 / - | 4 | ✓ Verified |
| 07-12 20:02 | 80m | -9 / -12 | DO2PY | +17 / - | 3 | ✓ Verified |
| 07-12 20:01 | 80m | -6 / -3 | R3BDQ | +14 / - | 3 | ✓ Verified |
| 07-12 19:59 | 80m | - / -8 | DA6YY | +5 / - | 2 | ✓ Confirmed |
| 07-12 19:55 | 80m | -8 / -8 | R3PLA | +14 / -12 | 6 | ✓ Complete |
| 07-12 19:55 | 80m | +6 / -2 | YL2NX | +12 / -1 | 5 | ✓ Complete |
| 07-12 19:52 | 80m | - / -16 | F5LVR | +12 / - | 3 | ✓ Confirmed |
| 07-12 19:50 | 80m | +4 / - | SQ2PHC | +11 / +3 | 5 | ✓ Verified |
| 07-12 19:48 | 80m | -22 / -11 | RZ4M | +12 / - | 4 | ✓ Verified |
| 07-09 22:37 | 80m | - / - | VU2NKS | +17 / - | 13 | Partial |
| 07-09 22:35 | 80m | - / -15 | M0MLS | +13 / - | 3 | ✓ Confirmed |
| 07-09 22:31 | 80m | -6 / -11 | PY5XT | +16 / -14 | 10 | ✓ Complete |
| 07-09 22:28 | 80m | -8 / -6 | ON6QRP | +16 / -2 | 5 | ✓ Complete |
| 07-09 22:26 | 80m | +8 / - | DO3NN | +18 / +2 | 5 | ✓ Complete |
| 07-09 22:25 | 80m | -1 / - | MM0KQC | +17 / - | 2 | ✓ Verified |
| 07-09 22:23 | 80m | 0 / -16 | RW4HBD | +17 / -6 | 3 | ✓ Complete |
| 07-09 22:22 | 80m | -12 / -16 | EA3IJQ | +16 / -13 | 3 | ✓ Complete |
| 07-09 22:15 | 80m | - / -10 | D2UY | +15 / - | 7 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 182245 +13 2777 OK1SI RN6MA +04 (x3) 183615 -14 1635 OK1SI PY7XC RR73 184330 -16 1577 OK1SI 9K2OK -10 (x2) 195145 -8 1204 OK1SI CR7BUJ -05 (x2) 120900 -18 2029 CQ OK1SI JO70 120915 -11 2423 OK1SI F1PBZ -06 120930 -19 2029 F1PBZ OK1SI R-06 120945 -11 2424 OK1SI F1PBZ RR73 121115 -17 1732 OK1SI F4HSB 73 (x2) 121545 -17 2065 OK1SI F1ODM RR73
80m
UTC dB Freq Message 234915 +11 2200 DL9KM OK1SI +01 234930 +1 1711 OK1SI DL9KM R+02 (x2) 235045 +19 836 RD4HX OK1SI -11 (x12)
40m
UTC dB Freq Message 212945 +4 2388 OK1SI SP9MOA R-03 213100 -13 2388 IZ8PPI OK1SI 73 213130 -16 2387 CQ OK1SI JO70 213200 -16 2388 IZ8PPI OK1SI JO70 215615 -15 1092 OK1SI IS0BPX +13 (x4) 221430 -7 331 OK1SI <...> +16 221800 -8 2462 OK1SI RN6MA RR73 222300 -5 2416 OK1SI R4CHQ -11 222900 -13 2416 OK1SI G0ANS RR73 223330 -16 2416 OK1SI PA0RF JO32 (x3)