DL4ZF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DL4ZF, decoded by SO8OO in southeastern Poland. 57 related FT8 messages, 1 CQ messages, observed on 20m, across 4 UTC dates. Heard between 2026-05-26 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 DL4ZF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by DL4ZF
Approximate centre of JO40, decoded 2026-08-23 10:16 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 | DL4ZF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 15:58 | 20m | - / -10 | EA5JLB | -3 / - | 2 | Partial capture |
| 08-23 15:40 | 20m | - / -5 | M1DBB | -4 / - | 4 | ✓ Closing fragment |
| 08-23 10:17 | 20m | -5 / -12 | OZ9TAN | -11 / 0 | 3 | Partial capture |
| 08-23 10:16 | 20m | - / - | 4O4DB | -4 / - | 2 | Partial capture |
| 08-23 10:14 | 20m | -5 / - | LA1XJA | - / -4 | 3 | ✓ Closing fragment |
| 08-23 10:12 | 20m | -4 / - | K1IM | - / - | 3 | Partial capture |
| 08-23 10:11 | 20m | -1 / -7 | M7FCX | +2 / - | 6 | Partial capture |
| 08-23 10:07 | 20m | -9 / - | M6ILA | -1 / +1 | 7 | ✓ Closing observed |
| 08-23 10:05 | 20m | -2 / - | LY2BOK | - / - | 2 | Partial capture |
| 08-23 09:59 | 20m | -6 / - | SH0KLR | - / -10 | 4 | ✓ Closing fragment |
| 08-23 09:46 | 20m | -1 / - | K4A | - / - | 4 | Partial capture |
| 08-23 09:38 | 20m | -2 / - | TT1GD | - / - | 2 | Partial capture |
| 08-23 09:34 | 20m | -3 / - | EA4IPN | - / -4 | 7 | Partial capture |
| 08-23 09:31 | 20m | -2 / - | LY2BOK | - / - | 4 | Partial capture |
| 08-23 09:29 | 20m | -2 / - | ZV8R | - / - | 2 | Partial capture |
| 08-23 09:13 | 20m | -9 / - | SV7BAY | - / -17 | 3 | ✓ Closing fragment |
| 08-20 17:47 | 20m | +4 / - | <...> | - / - | 5 | Partial capture |
| 08-20 17:42 | 20m | 0 / - | EA5JFO | - / -2 | 4 | ✓ Closing fragment |
| 08-20 17:37 | 20m | +4 / - | M7JVT | -16 / -2 | 3 | ✓ Closing observed |
| 08-20 17:31 | 20m | 0 / -15 | EN35UKR | -8 / +2 | 3 | Partial capture |
| 08-20 17:26 | 20m | -2 / - | UB8AHK | - / - | 4 | Partial capture |
| 08-20 17:21 | 20m | -4 / - | OY1HJ | - / - | 2 | Partial capture |
| 08-20 17:17 | 20m | +6 / - | 9A4AA | - / - | 2 | ✓ Closing fragment |
| 08-20 17:15 | 20m | -3 / - | EB1DJ | -7 / -3 | 5 | ✓ Closing observed |
| 08-20 17:12 | 20m | +4 / - | EV6Z | - / -8 | 2 | Partial capture |
| 08-20 17:05 | 20m | -4 / - | AO25FDM | - / - | 3 | Partial capture |
| 08-20 16:49 | 20m | 0 / - | TJ1GD | - / - | 2 | Partial capture |
| 08-20 16:47 | 20m | -8 / - | UA9QFF | - / - | 4 | Partial capture |
| 08-20 16:42 | 20m | -1 / - | OH6DHM | - / +9 | 3 | ✓ Closing fragment |
| 08-20 16:38 | 20m | -6 / -13 | IN3BFW | +8 / - | 4 | ✓ Closing observed |
| 08-17 18:35 | 20m | -15 / - | JH5AVM | -20 / 0 | 4 | ✓ Closing observed |
| 08-17 18:32 | 20m | -14 / - | <...> | - / -13 | 2 | Partial capture |
| 08-17 18:27 | 20m | -3 / - | LZ1WV | - / - | 5 | Partial capture |
| 08-17 18:20 | 20m | -16 / -5 | CS8ABF | -8 / - | 4 | ✓ Closing observed |
| 08-17 18:17 | 20m | -18 / - | OZ7CL | -17 / - | 2 | ✓ Closing observed |
| 08-17 18:04 | 20m | -12 / -14 | SM6UQL | -17 / -24 | 6 | Partial capture |
| 08-17 17:57 | 20m | -12 / - | E24YQO | - / -15 | 10 | Partial capture |
| 08-17 17:51 | 20m | -9 / - | E24YQO | - / - | 4 | Partial capture |
| 08-17 17:48 | 20m | -12 / - | LA1K | -10 / -16 | 5 | ✓ Full exchange observed |
| 08-17 17:26 | 20m | -11 / - | BI1HJR | - / -9 | 4 | Partial capture |
| 08-17 17:17 | 20m | -10 / - | <...> | - / - | 5 | Partial capture |
| 08-17 17:16 | 20m | -12 / - | E25IJJ | - / - | 2 | Partial capture |
| 08-17 17:13 | 20m | -13 / - | E25IJJ | - / - | 2 | Partial capture |
| 08-17 17:07 | 20m | -13 / - | <...> | - / - | 8 | Partial capture |
| 08-17 15:38 | 20m | - / - | GM3DRA | -8 / - | 2 | ✓ Closing fragment |
| 08-17 13:46 | 20m | - / -15 | MM0TBH | -12 / - | 2 | ✓ Closing fragment |
| 05-26 15:12 | 20m | -18 / - | IU8LMC | - / -3 | 2 | Partial capture |
| 05-26 15:06 | 20m | -20 / - | BI8SCC | - / - | 8 | Partial capture |
| 05-26 15:01 | 20m | -20 / - | BI8SCC | - / - | 2 | Partial capture |
| 05-26 14:56 | 20m | -24 / - | MM1ONY | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 101615 -5 862 CQ DL4ZF JO40 101630 -5 862 DL4ZF 4O4DB JN92 (x2) 101700 +7 730 DL4ZF 9A6T -08 101715 -5 862 OZ9TAN DL4ZF +00 101730 -2 863 DL4ZF DF3IS JN49 101800 -10 863 DL4ZF OZ9TAN R-12 (x2) 154015 -1 1066 DL4ZF M1DBB -05 (x4) 155045 +2 1008 DL4ZF US0HB RR73 155815 -6 1185 DL4ZF EA5JLB -10 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.