K3ZK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving K3ZK, decoded by SO8OO in southeastern Poland. 1,141 related FT8 messages, 359 CQ messages, observed on 40m, 20m, across 35 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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.
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Overview
Frequent QSO partners observed at SO8OO
Stations K3ZK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by K3ZK
Approximate centre of FN21, decoded 2026-08-23 22:34 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 | K3ZK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 22:35 | 20m | -14 / - | K4WYC | - / -8 | 2 | ✓ Closing fragment |
| 08-23 22:34 | 20m | - / - | E70SZ | -8 / - | 2 | Partial capture |
| 08-23 22:28 | 20m | -12 / - | G7UFW | -21 / -6 | 4 | ✓ Closing observed |
| 08-23 22:19 | 20m | -18 / - | KO4BKR | - / -5 | 2 | ✓ Closing fragment |
| 08-23 22:18 | 20m | - / - | IU1HGN | -14 / - | 2 | Partial capture |
| 08-23 22:10 | 20m | -14 / - | 2E0DGP | - / -15 | 2 | ✓ Closing fragment |
| 08-23 22:09 | 20m | -16 / - | RA6OF | -8 / -18 | 3 | ✓ Closing observed |
| 08-23 22:07 | 20m | -13 / - | EA3DM | - / -25 | 2 | ✓ Closing fragment |
| 08-23 22:03 | 20m | -15 / - | NM1M | - / -8 | 2 | ✓ Closing fragment |
| 08-23 21:57 | 20m | -13 / - | SP7AAO | - / -17 | 2 | ✓ Closing fragment |
| 08-23 21:56 | 20m | -12 / - | M9VVE | -15 / -10 | 5 | ✓ Closing observed |
| 08-23 02:53 | 40m | - / -7 | DL1NEO | +6 / - | 4 | ✓ Closing fragment |
| 08-23 02:38 | 40m | - / - | RX3ASQ | -9 / - | 2 | Partial capture |
| 08-23 01:40 | 40m | - / -8 | LZ2CC | -2 / - | 6 | Partial capture |
| 08-23 01:34 | 40m | - / - | RV6F | -10 / - | 7 | Partial capture |
| 08-23 00:43 | 40m | - / -16 | RO2T | +10 / - | 2 | Partial capture |
| 08-23 00:43 | 40m | - / - | F1IQH | -16 / - | 4 | Partial capture |
| 08-23 00:32 | 40m | - / - | RU3FA | +4 / - | 3 | Partial capture |
| 08-23 00:31 | 40m | - / -15 | IK4LZH | -9 / - | 3 | ✓ Closing fragment |
| 08-22 22:41 | 20m | - / - | US4EX | -14 / - | 2 | Partial capture |
| 08-22 22:36 | 20m | - / - | US4EX | -8 / - | 2 | Partial capture |
| 08-22 22:34 | 20m | - / +2 | PE1EBT | -5 / - | 2 | Partial capture |
| 08-22 22:34 | 20m | - / - | SM7HZK | -3 / - | 3 | Partial capture |
| 08-22 22:34 | 20m | - / - | YT1UBN | -12 / - | 2 | Partial capture |
| 08-22 22:23 | 20m | -15 / - | DL1VCA | - / -13 | 3 | ✓ Closing fragment |
| 08-22 22:22 | 20m | - / - | US4EX | -5 / - | 2 | Partial capture |
| 08-22 22:15 | 20m | - / - | US4EX | -6 / - | 2 | Partial capture |
| 08-22 22:08 | 20m | - / - | RZ2A | -10 / - | 3 | Partial capture |
| 08-22 22:08 | 20m | -11 / - | IU2BEE | - / -19 | 2 | Partial capture |
| 08-22 22:07 | 20m | - / - | SV1PLH | +3 / - | 2 | Partial capture |
| 08-22 22:05 | 20m | -10 / - | AI5AY | - / -6 | 2 | ✓ Closing fragment |
| 08-22 02:30 | 40m | - / -22 | R3XBS | -8 / - | 4 | ✓ Closing fragment |
| 08-22 02:22 | 40m | - / +10 | NA3M | -10 / - | 3 | ✓ Closing fragment |
| 08-22 02:09 | 40m | - / - | ON4MAP | -20 / - | 3 | Partial capture |
| 08-22 02:05 | 40m | - / -20 | R3XBS | +6 / - | 2 | Partial capture |
| 08-22 01:53 | 40m | - / -16 | LZ1VVD | -12 / - | 3 | ✓ Closing fragment |
| 08-22 01:13 | 40m | - / - | KC1NNR | -12 / - | 2 | Partial capture |
| 08-22 01:08 | 40m | - / - | F4VTR | 0 / - | 2 | Partial capture |
| 08-22 01:02 | 40m | - / - | DL3LBK | -12 / - | 2 | Partial capture |
| 08-22 01:02 | 40m | - / -22 | R7IQ | -15 / - | 3 | Partial capture |
| 08-22 00:51 | 40m | - / -18 | <...> | -14 / - | 2 | Partial capture |
| 08-22 00:40 | 40m | - / - | UI6O | +1 / - | 10 | Partial capture |
| 08-22 00:36 | 40m | - / - | SP1ZMO | -12 / - | 5 | Partial capture |
| 08-22 00:29 | 40m | - / - | SV8GXC | -9 / - | 10 | Partial capture |
| 08-22 00:24 | 40m | -16 / - | KF0ARM | - / -3 | 2 | ✓ Closing fragment |
| 08-22 00:12 | 40m | - / -3 | CT2HEX | -3 / - | 4 | ✓ Closing fragment |
| 08-22 00:03 | 40m | - / - | F1IQH | -16 / - | 2 | Partial capture |
| 08-21 23:29 | 20m | - / -13 | PD1JBO | -10 / - | 2 | Partial capture |
| 08-21 23:12 | 20m | -21 / -6 | DB3EH | -17 / -25 | 8 | ✓ Full exchange observed |
| 08-21 23:04 | 20m | - / 0 | IZ5MJO | -12 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 222830 -9 1287 G7UFW K3ZK -04 (x2) 223000 -12 1287 CQ K3ZK FN21 (x8) 223415 -5 1288 K3ZK E70SZ JN84 223430 -17 1288 CQ K3ZK FN21 223445 -12 1288 K3ZK E70SZ JN84 223500 -16 1288 K4WYC K3ZK -08 (x2)
UTC dB Audio Message 014415 +5 1733 K3ZK LZ2CC -15 (x2) 014530 -24 1288 CQ K3ZK FN21 a1 014615 -8 1286 K3ZK DL4ZIP JO42 022215 -15 2347 K3ZK SV1DBY KM18 023845 -9 1362 K3ZK RX3ASQ KO95 (x2) 024045 -17 1288 K3ZK YT1DDL KN04 024300 -22 1287 CQ K3ZK FN21 a1 (x2) 025345 +8 1288 K3ZK DL1NEO JN59 (x4) 025845 -13 1362 K3ZK RX3ASQ KO95
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.