HA5ZK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving HA5ZK, decoded by SO8OO in southeastern Poland. 140 related FT8 messages, observed on 40m, 20m, 10m, across 18 UTC dates. Heard between 2026-05-23 and 2026-08-21.
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 HA5ZK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by HA5ZK
Approximate centre of JN97, decoded 2026-08-21 18:05 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 | HA5ZK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 18:04 | 40m | +5 / +1 | <...> | -13 / -8 | 5 | Partial capture |
| 08-02 19:44 | 40m | -13 / - | ES6RMR | - / +7 | 2 | ✓ Closing fragment |
| 07-29 20:46 | 20m | - / -8 | LU5EW | -6 / - | 2 | ✓ Closing fragment |
| 07-29 20:44 | 40m | -8 / - | TJ1GD/P | - / - | 2 | Partial capture |
| 07-18 21:03 | 10m | - / - | SV2CLJ | 0 / - | 3 | Partial capture |
| 07-18 19:00 | 20m | -16 / -8 | TN8GD | -18 / - | 3 | ✓ Closing observed |
| 07-18 18:46 | 20m | -10 / - | OY1R | - / -10 | 3 | Partial capture |
| 07-18 18:36 | 20m | -9 / - | ES7GN | - / - | 3 | Partial capture |
| 07-18 07:15 | 20m | - / - | IK4TVP | -7 / - | 5 | ✓ Closing fragment |
| 07-12 17:26 | 20m | - / -6 | PD0HLA | -12 / - | 2 | Partial capture |
| 07-12 17:16 | 20m | - / - | R2AL | +6 / - | 3 | Partial capture |
| 07-12 17:14 | 20m | -20 / - | JH0BBA | - / -14 | 2 | ✓ Closing fragment |
| 07-11 17:49 | 20m | -7 / - | 5N0YEN | - / - | 7 | Partial capture |
| 07-11 17:36 | 20m | -4 / - | XU7O | - / -21 | 18 | ✓ Closing fragment |
| 07-11 17:34 | 20m | +4 / - | 5N0YEN | - / -17 | 3 | Partial capture |
| 06-26 16:07 | 20m | -6 / - | A91LD | - / +2 | 2 | Partial capture |
| 06-22 17:41 | 20m | - / - | F5IXN | -15 / - | 3 | ✓ Closing fragment |
| 06-22 07:34 | 40m | -6 / - | <...> | - / +3 | 2 | Partial capture |
| 06-21 20:25 | 40m | -9 / - | EL2BG | - / - | 9 | Partial capture |
| 06-21 20:23 | 40m | -1 / - | EA9ABC | - / -15 | 3 | ✓ Closing fragment |
| 06-21 20:16 | 40m | -8 / - | EL2BG | - / - | 9 | Partial capture |
| 06-21 20:12 | 40m | -10 / - | TN8GD | - / -25 | 5 | Partial capture |
| 06-12 20:37 | 40m | +16 / -1 | F5PBG | -4 / +2 | 7 | ✓ Full exchange observed |
| 06-12 20:35 | 40m | +9 / +9 | TA2BMV | -15 / - | 4 | ✓ Closing observed |
| 06-12 20:33 | 40m | +5 / - | PD1AQL | - / - | 3 | Partial capture |
| 06-08 20:25 | 40m | +8 / - | BA7NQ | - / - | 2 | Partial capture |
| 06-08 20:22 | 40m | +8 / - | 9H5DX | - / - | 7 | Partial capture |
| 06-08 20:19 | 40m | +7 / - | BA7NQ | - / - | 2 | Partial capture |
| 06-08 16:00 | 40m | - / - | SP6AXW | -8 / - | 5 | Partial capture |
| 06-08 15:59 | 40m | -2 / +6 | LZ1GIRO | -20 / +4 | 3 | Partial capture |
| 06-05 19:18 | 40m | -3 / -4 | YL3ATH | +6 / -7 | 6 | ✓ Full exchange observed |
| 06-05 19:00 | 40m | - / - | F5RRS | +4 / - | 4 | Partial capture |
| 06-05 18:54 | 40m | -1 / -7 | R2FAQ | -7 / -11 | 11 | ✓ Full exchange observed |
| 06-05 18:41 | 40m | -2 / - | A61FJ | - / - | 10 | Partial capture |
| 06-05 18:31 | 40m | +3 / -3 | 4X1UF | -3 / -3 | 7 | ✓ Full exchange observed |
| 06-05 18:24 | 40m | +7 / - | EU3LA | - / -16 | 2 | ✓ Closing fragment |
| 06-05 18:20 | 40m | +4 / -14 | EU3LA | -10 / -16 | 4 | ✓ Full exchange observed |
| 06-05 18:19 | 40m | - / - | DJ0MAB | -3 / - | 4 | Partial capture |
| 06-05 18:18 | 40m | -1 / - | YO3GJE | - / -3 | 3 | ✓ Closing fragment |
| 06-05 18:10 | 40m | +2 / -15 | SP9UOP | +2 / - | 4 | ✓ Full exchange observed |
| 06-05 18:06 | 40m | +4 / +8 | OK8UQ | 0 / +4 | 5 | ✓ Full exchange observed |
| 06-01 20:22 | 40m | +8 / - | EX7CQ | - / -12 | 4 | ✓ Closing fragment |
| 06-01 20:18 | 40m | +2 / 0 | EA8UP | +11 / - | 5 | ✓ Full exchange observed |
| 05-30 22:29 | 40m | -14 / -4 | EI5HV | -5 / - | 3 | ✓ Closing observed |
| 05-30 07:08 | 40m | - / - | DK7UY | 0 / - | 3 | ✓ Closing fragment |
| 05-29 09:32 | 40m | - / - | IK4LZH | -6 / - | 2 | Partial capture |
| 05-28 21:42 | 40m | +9 / - | TJ1GD | - / -15 | 6 | ✓ Closing fragment |
| 05-28 21:26 | 20m | - / - | F5OYA/P | -12 / - | 4 | Partial capture |
| 05-28 21:22 | 20m | - / - | EA1IOK | -8 / - | 2 | Partial capture |
| 05-28 21:22 | 20m | - / - | F5OYA/P | -2 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 202745 -6 1153 EL2BG HA5ZK JN97 (x4) 073430 -8 698 <...> HA5ZK JN97 (x2) 204400 -8 804 TJ1GD/P HA5ZK JN97 (x2) 194430 -13 1594 ES6RMR HA5ZK R+07 (x2) 180445 +5 2469 <...> HA5ZK JN97 (x3) 180700 -13 2469 HA5ZK <...> +01 180715 +4 2469 <...> HA5ZK R-08
UTC dB Audio Message 071645 -9 2349 HA5ZK IK4TVP +11 (x3) 183630 -16 1315 ES7GN HA5ZK JN97 (x3) 184615 -10 1378 OY1R HA5ZK JN97 (x3) 190030 -17 894 HA5ZK TN8GD -08 (x2) 190115 -16 894 TN8GD HA5ZK 73 204645 -6 485 HA5ZK LU5EW -08 (x2) 200030 -18 1785 HA5ZK 7X2KF -03
UTC dB Audio Message 123800 -21 1754 HA5ZK Z30WWA RR73 210130 -10 562 HA5ZK DN9XAS JN58 210330 -4 617 HA5ZK SV2CLJ KN10 210400 -7 2608 HA5ZK DN9OPA JN38 210400 +1 617 HA5ZK SV2CLJ KN10 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.