4Z5ML — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4Z5ML, decoded by SO8OO in southeastern Poland. 499 related FT8 messages, 166 CQ messages, observed on 60m, 20m, 10m, across 51 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 4Z5ML worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 4Z5ML
Approximate centre of KM72, decoded 2026-08-21 17:21 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 | 4Z5ML S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 20:22 | 10m | - / - | IU3QYU | -12 / - | 6 | Partial capture |
| 08-21 18:30 | 10m | - / - | DN9SHA | -7 / - | 5 | Partial capture |
| 08-21 17:17 | 10m | -8 / - | PY2PIC | - / -18 | 3 | ✓ Closing fragment |
| 08-21 17:12 | 10m | -3 / - | TA7ARH | - / -22 | 3 | Partial capture |
| 08-21 17:10 | 10m | -4 / - | PT9DC | - / - | 2 | ✓ Closing fragment |
| 08-21 17:03 | 10m | -6 / - | OZ1ITS | - / -19 | 10 | ✓ Closing fragment |
| 08-21 17:02 | 10m | -3 / - | SP4MPH | - / -12 | 3 | ✓ Closing fragment |
| 08-21 17:01 | 10m | - / - | DN9WES | -8 / - | 6 | Partial capture |
| 08-21 16:59 | 10m | 0 / - | SP5DRK | - / -20 | 2 | ✓ Closing fragment |
| 08-21 16:56 | 10m | -1 / - | SP9DHY | - / -18 | 3 | ✓ Closing fragment |
| 08-21 16:51 | 10m | -4 / 0 | OK1STK | -2 / -11 | 5 | ✓ Full exchange observed |
| 08-21 16:50 | 10m | - / - | DL4JTH | +2 / - | 2 | Partial capture |
| 08-21 16:48 | 10m | - / - | DN9RL | -10 / - | 2 | Partial capture |
| 08-21 16:42 | 10m | -9 / - | LY1DY | - / -20 | 2 | ✓ Closing fragment |
| 08-21 16:40 | 10m | -6 / - | YU7VK | - / -23 | 2 | ✓ Closing fragment |
| 08-21 16:36 | 10m | -7 / - | PY2VET | - / -19 | 3 | ✓ Closing fragment |
| 08-21 16:34 | 10m | -8 / - | SQ1RTU | - / -11 | 2 | ✓ Closing fragment |
| 08-21 16:32 | 10m | -6 / - | LZ2BC | - / - | 2 | Partial capture |
| 08-21 16:25 | 10m | - / - | DN9RL | -1 / - | 6 | Partial capture |
| 08-21 16:23 | 10m | - / - | DN9WES | -5 / - | 9 | Partial capture |
| 08-21 16:01 | 10m | - / -4 | PD2WL | -4 / - | 9 | Partial capture |
| 08-21 15:59 | 10m | -18 / +2 | DB2HA | +13 / - | 4 | ✓ Closing observed |
| 08-21 07:52 | 10m | -11 / - | DN9HOQ | - / -20 | 2 | ✓ Closing fragment |
| 08-21 07:51 | 10m | - / - | RN6MA | -2 / - | 2 | Partial capture |
| 08-21 04:01 | 60m | - / -16 | EA5JK | -8 / - | 2 | ✓ Closing fragment |
| 08-20 15:44 | 10m | - / -15 | RN6MA | -7 / - | 3 | Partial capture |
| 08-20 08:35 | 10m | - / +5 | F4ITM | -10 / - | 2 | ✓ Closing fragment |
| 08-19 14:27 | 10m | - / -3 | DL6PX | +8 / - | 2 | ✓ Closing fragment |
| 08-16 08:08 | 10m | - / -13 | IZ2ZOZ | -7 / - | 2 | ✓ Closing fragment |
| 08-13 11:34 | 10m | - / - | IK4LZH | +3 / - | 4 | Partial capture |
| 08-13 11:31 | 10m | - / - | MD0CCE | -10 / - | 2 | ✓ Closing fragment |
| 08-11 11:43 | 10m | - / -7 | F4BPO | -8 / - | 2 | Partial capture |
| 08-11 11:42 | 10m | - / - | R7OV | -15 / - | 2 | Partial capture |
| 08-10 18:14 | 10m | - / - | UA4FKT | -17 / - | 3 | Partial capture |
| 08-10 15:56 | 10m | - / -13 | IZ7BAS | -8 / - | 2 | ✓ Closing fragment |
| 08-09 03:20 | 60m | - / -18 | LA9GX | +13 / - | 2 | ✓ Closing fragment |
| 08-05 18:59 | 10m | - / -13 | PA3GMD | -17 / - | 3 | ✓ Closing fragment |
| 08-05 18:55 | 10m | - / -8 | PA3BUD | -14 / - | 3 | ✓ Closing fragment |
| 07-31 07:59 | 10m | - / -7 | G4RRA | -10 / - | 2 | ✓ Closing fragment |
| 07-29 18:56 | 10m | - / +2 | LZ2VO | -6 / - | 2 | ✓ Closing fragment |
| 07-28 04:57 | 10m | -11 / - | PD3RAH | - / -10 | 2 | ✓ Closing fragment |
| 07-28 04:54 | 10m | -8 / - | VK6XT | - / -10 | 2 | ✓ Closing fragment |
| 07-25 08:23 | 10m | -16 / - | OE1TKS | - / - | 2 | ✓ Closing fragment |
| 07-24 21:21 | 10m | - / -11 | PA3BQC | -8 / - | 4 | ✓ Closing fragment |
| 07-21 16:16 | 10m | -6 / - | OZ4MK | - / -1 | 2 | ✓ Closing fragment |
| 07-18 08:11 | 10m | -4 / - | DL9NN | - / -15 | 2 | ✓ Closing fragment |
| 07-18 08:06 | 10m | -4 / - | <...> | - / -19 | 2 | Partial capture |
| 07-18 07:46 | 10m | -16 / - | SQ2HCZ | - / -11 | 2 | ✓ Closing fragment |
| 07-18 07:43 | 10m | -18 / - | DO2YJG | - / - | 2 | Partial capture |
| 07-17 08:13 | 10m | -14 / - | UN7NU | - / -16 | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 172030 -5 567 CQ 4Z5ML KM72 (x2) 172745 -7 568 CR7CDC 4Z5ML RR73 181200 -24 1849 4Z5ML LZ5XP 73 183000 -7 1097 4Z5ML DN9SHA JO31 (x5) 202245 -17 2394 4Z5ML IU3QYU JN55 (x6)
UTC dB Audio Message 184415 -20 978 4Z5ML EA8DRB R+04 040945 -7 2927 CQ 4Z5ML KM72 a1 (x2)
UTC dB Audio Message 010630 -24 1365 CQ 4Z5ML KM72 a1 032045 +14 682 4Z5ML LA9GX -18 (x2) 040100 -6 1522 4Z5ML EA5JK -16 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.