F4LZK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4LZK, decoded by SO8OO in southeastern Poland. 1,466 related FT8 messages, 1,086 CQ messages, observed on 40m, 20m, 10m, across 33 UTC dates. Heard between 2026-05-18 and 2026-08-13.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations F4LZK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by F4LZK
Approximate centre of JN05, decoded 2026-08-02 19:46 UTC. A transmitted locator is not proof of the operator's permanent location.
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | F4LZK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-13 19:32 | 20m | - / -17 | LX1RFJ | -23 / - | 2 | ✓ Closing fragment |
| 08-10 17:12 | 20m | - / -24 | MI0JZZ | +2 / - | 4 | Partial capture |
| 08-03 16:42 | 40m | - / - | DL6UM | -10 / - | 5 | Partial capture |
| 08-02 19:46 | 40m | - / - | S51PV | -16 / - | 2 | Partial capture |
| 07-25 10:30 | 20m | - / -1 | F4EGM | -10 / - | 2 | Partial capture |
| 07-25 10:28 | 20m | -10 / - | <...> | - / -15 | 3 | Partial capture |
| 07-25 10:26 | 20m | -16 / -13 | OH2ZZ | -20 / -1 | 2 | Partial capture |
| 07-25 10:18 | 20m | -20 / - | CU3HN | - / -10 | 2 | ✓ Closing fragment |
| 07-25 10:11 | 20m | -18 / -14 | MM0JTV | -18 / 0 | 5 | ✓ Full exchange observed |
| 07-25 10:05 | 20m | -18 / -19 | DB1EF | -14 / -4 | 2 | Partial capture |
| 07-25 05:56 | 20m | -10 / -7 | W4PSK | -17 / +4 | 3 | ✓ Full exchange observed |
| 07-25 05:47 | 20m | -7 / - | V31DL | - / -13 | 3 | Partial capture |
| 07-25 05:45 | 20m | -11 / -6 | W4PSK | -12 / +2 | 6 | Partial capture |
| 07-25 05:40 | 20m | -18 / - | W3BL | - / -8 | 4 | ✓ Closing fragment |
| 07-25 05:32 | 20m | -12 / - | V31DL | - / -14 | 2 | Partial capture |
| 07-25 05:11 | 40m | - / +1 | IQ4JO | -6 / - | 3 | ✓ Closing fragment |
| 07-23 10:43 | 20m | - / 0 | DK3HV | -9 / - | 3 | Partial capture |
| 07-23 10:37 | 20m | - / - | PD0WL | -21 / - | 2 | Partial capture |
| 07-22 10:37 | 20m | - / -13 | IK4POB | -11 / - | 4 | Partial capture |
| 07-21 16:37 | 20m | - / - | DG1KFR | -8 / - | 2 | Partial capture |
| 07-20 18:23 | 20m | -8 / - | SP9JMZ | - / -5 | 2 | ✓ Closing fragment |
| 07-20 18:17 | 20m | -12 / - | SP5MIG | - / -16 | 3 | Partial capture |
| 07-18 07:06 | 20m | - / +3 | F4MZI | -13 / - | 2 | ✓ Closing fragment |
| 07-18 07:06 | 20m | - / -20 | IK4TVP | -10 / - | 5 | Partial capture |
| 07-18 07:01 | 20m | - / +1 | DK9NP | +5 / - | 6 | ✓ Closing fragment |
| 07-18 06:31 | 20m | - / -22 | DL3MIB | -7 / - | 10 | ✓ Closing fragment |
| 07-17 16:56 | 20m | - / +3 | IK4LZH | -10 / - | 3 | ✓ Closing fragment |
| 07-17 15:02 | 20m | - / -2 | F1PBZ | -14 / - | 2 | ✓ Closing fragment |
| 06-27 10:41 | 20m | - / -2 | IK2XDF | -17 / - | 2 | ✓ Closing fragment |
| 06-27 09:02 | 20m | - / - | DL1R | -12 / - | 4 | Partial capture |
| 06-27 08:59 | 20m | - / -2 | CT7AUT | -16 / - | 2 | ✓ Closing fragment |
| 06-27 08:51 | 20m | - / -14 | E70SZ | -13 / - | 3 | ✓ Closing fragment |
| 06-26 15:56 | 10m | - / -2 | DH1KJ | -2 / - | 2 | ✓ Closing fragment |
| 06-26 15:38 | 10m | - / -10 | DF2KD | -12 / - | 3 | Partial capture |
| 06-26 15:33 | 10m | - / - | DG5DR | -12 / - | 2 | Partial capture |
| 06-26 14:47 | 10m | -12 / - | IU4QRO | -13 / +3 | 2 | Partial capture |
| 06-26 12:58 | 10m | - / -12 | OZ6G | -6 / - | 2 | Partial capture |
| 06-26 11:52 | 10m | - / -10 | DF8DR | -18 / - | 2 | Partial capture |
| 06-26 11:21 | 10m | - / -18 | PD4HT | -11 / - | 2 | ✓ Closing fragment |
| 06-26 11:08 | 10m | - / +5 | OZ1CJT | -6 / - | 3 | ✓ Closing fragment |
| 06-26 10:48 | 10m | - / - | DL1DBR | -10 / - | 2 | ✓ Closing fragment |
| 06-26 10:31 | 10m | -18 / - | DK5CW | - / -5 | 2 | Partial capture |
| 06-26 10:16 | 10m | -22 / - | OH3NK | - / -11 | 2 | Partial capture |
| 06-25 17:38 | 10m | - / - | SP6FAK | -22 / - | 2 | Partial capture |
| 06-25 17:23 | 10m | - / - | DO8MAX | -10 / - | 2 | ✓ Closing fragment |
| 06-25 16:15 | 10m | -8 / - | SP6FCQ | - / -7 | 2 | ✓ Closing fragment |
| 06-25 16:12 | 10m | -13 / - | DM4JU | - / +4 | 2 | ✓ Closing fragment |
| 06-25 15:52 | 10m | -14 / - | YO8CKT | - / -12 | 4 | Partial capture |
| 06-25 15:35 | 10m | -10 / - | SP5HZM | - / - | 2 | ✓ Closing fragment |
| 06-25 15:25 | 10m | -12 / - | EA2GM | - / -10 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 051130 -5 2607 F4LZK IQ4JO R+01 (x2) 194545 -12 2401 CQ F4LZK JN05 (x2) 194630 -15 2402 F4LZK SP7TF -15 194630 -17 2296 F4LZK S51PV JN76 (x2) 164200 -10 826 F4LZK DL6UM JO60 164230 -18 1521 F4LZK DL9YNG JN48 164230 -9 826 F4LZK DL6UM JO60 (x4) 205200 -8 1014 F4LZK DL1IP -14 205500 -19 1547 F4LZK PE1FTV -04
UTC dB Audio Message 102815 -9 2688 <...> F4LZK -15 (x3) 103030 -9 2689 F4LZK F4EGM JN29 (x2) 201000 +7 2910 F4LZK PD0IFI JO32 201600 -1 1774 F4LZK OZ1BUR JO46 165745 -24 1583 F4LZK EA4IJS R-02 171215 +4 2678 F4LZK MI0JZZ R-24 (x4) 182315 -4 2379 PY5GA F4LZK +16 193230 -24 1930 F4LZK LX1RFJ -17 (x2)
UTC dB Audio Message 165615 -22 1782 CQ F4LZK JN05 (x3) 170430 -11 1318 F4LZK DO2DNI JO30 170700 -20 1944 F4LZK DJ1TU JN48 072945 -22 1400 CQ F4LZK JN05 (x9) 052630 -14 960 F4LZK OZ4MK 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.