YO4KMU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO4KMU, decoded by SO8OO in southeastern Poland. 65 related FT8 messages, observed on 80m, 40m, 20m, across 5 UTC dates. Heard between 2026-08-06 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 YO4KMU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO4KMU
Approximate centre of KN44, decoded 2026-08-23 17:25 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 | YO4KMU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 17:24 | 40m | -7 / - | TA1FR | - / -8 | 2 | ✓ Closing fragment |
| 08-23 17:16 | 40m | -7 / - | OZ/KD0NDU | - / - | 4 | Partial capture |
| 08-23 17:14 | 40m | -8 / - | GB64MOD | - / - | 3 | Partial capture |
| 08-23 17:13 | 40m | -7 / -7 | EG5DX | -15 / -16 | 4 | ✓ Full exchange observed |
| 08-23 17:08 | 40m | -8 / - | IK1MJK/P | - / -11 | 8 | Partial capture |
| 08-23 17:07 | 40m | - / -12 | GB64MOD | -4 / - | 6 | Partial capture |
| 08-23 17:01 | 40m | -8 / - | RL2F | - / - | 2 | ✓ Closing fragment |
| 08-23 16:09 | 40m | -3 / - | OE2JKN | - / - | 28 | Partial capture |
| 08-23 16:05 | 40m | -8 / - | YO5OSF | +5 / 0 | 3 | ✓ Closing observed |
| 08-23 16:05 | 40m | -5 / -4 | UA3GX | -3 / -5 | 6 | ✓ Full exchange observed |
| 08-23 15:56 | 40m | -2 / - | YL3FW | - / - | 17 | Partial capture |
| 08-23 15:54 | 40m | +2 / -7 | DL5DQZ | 0 / -6 | 8 | ✓ Full exchange observed |
| 08-23 15:49 | 40m | -3 / +4 | OK1UOZ | +11 / -7 | 14 | ✓ Full exchange observed |
| 08-23 15:47 | 40m | +6 / -3 | SP7AAO | -2 / -8 | 6 | ✓ Full exchange observed |
| 08-23 15:46 | 40m | +2 / -10 | DK7ZT | -10 / -13 | 4 | ✓ Full exchange observed |
| 08-23 15:45 | 40m | 0 / - | UN7LEW | - / -17 | 2 | ✓ Closing fragment |
| 08-23 15:44 | 40m | -5 / - | VJ6X | - / -16 | 3 | ✓ Closing fragment |
| 08-23 15:40 | 20m | -13 / - | K0HB | - / - | 2 | Partial capture |
| 08-23 15:21 | 20m | -15 / -8 | RA0SCA | -9 / -13 | 4 | ✓ Full exchange observed |
| 08-23 15:20 | 20m | -10 / -11 | ON4AOI | +5 / -10 | 5 | ✓ Full exchange observed |
| 08-23 15:15 | 20m | -9 / -9 | MW7RHR | -9 / -19 | 15 | ✓ Full exchange observed |
| 08-23 15:11 | 20m | -11 / - | EK1KE | -13 / -11 | 8 | ✓ Closing observed |
| 08-23 15:08 | 20m | -9 / -9 | IT9HZC | -1 / -7 | 8 | ✓ Full exchange observed |
| 08-23 15:06 | 20m | -9 / - | MW7RHR | - / - | 5 | Partial capture |
| 08-23 15:04 | 20m | -4 / - | EK1KE | - / - | 2 | Partial capture |
| 08-23 15:01 | 20m | -2 / - | 9A4ZM | - / -7 | 2 | ✓ Closing fragment |
| 08-23 15:01 | 20m | -6 / - | UA3ZMQ | -11 / -15 | 5 | ✓ Closing observed |
| 08-23 14:59 | 20m | -6 / - | EW2ZC | - / -15 | 5 | ✓ Closing fragment |
| 08-21 18:37 | 80m | - / - | R2AKN | -4 / - | 3 | Partial capture |
| 08-21 18:31 | 80m | - / - | R2AKN | -4 / - | 2 | Partial capture |
| 08-21 18:29 | 80m | -7 / -10 | DK7ZT | -6 / -14 | 5 | ✓ Full exchange observed |
| 08-21 18:26 | 80m | -6 / - | YO2DSA | - / -21 | 5 | ✓ Closing fragment |
| 08-21 18:25 | 80m | -7 / - | YO6BLM | - / - | 2 | Partial capture |
| 08-21 18:22 | 80m | -9 / - | YO3JW | -2 / +1 | 4 | ✓ Closing observed |
| 08-21 18:22 | 80m | -11 / -13 | RY3F | -1 / -5 | 7 | ✓ Full exchange observed |
| 08-14 17:21 | 80m | -1 / - | DO7DBI | - / - | 3 | Partial capture |
| 08-14 17:19 | 80m | +1 / -8 | UR5WDE | +6 / -9 | 6 | ✓ Full exchange observed |
| 08-14 17:17 | 80m | +4 / -1 | YU7AS | +4 / -6 | 5 | ✓ Full exchange observed |
| 08-12 17:26 | 80m | -4 / - | SV2AEL | - / - | 2 | Partial capture |
| 08-12 17:24 | 80m | -8 / -15 | R9RA | +3 / -14 | 6 | ✓ Full exchange observed |
| 08-12 17:22 | 80m | -9 / - | RV3SBS/P | - / -8 | 2 | Partial capture |
| 08-06 15:34 | 40m | -22 / - | 4X1ST | - / -9 | 2 | ✓ Closing fragment |
| 08-06 15:22 | 40m | - / - | DL9KM | -13 / - | 5 | Partial capture |
| 08-06 14:48 | 40m | -19 / - | IK1PMV | - / - | 4 | Partial capture |
| 08-06 14:47 | 40m | -18 / - | DM5WH | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 171200 -9 1697 IK1MJK/P YO4KMU R-18 171300 -4 1697 EG5DX YO4KMU KN44 171315 -15 939 YO4KMU EG5DX -07 171330 -10 1697 EG5DX YO4KMU R-16 (x2) 171430 -10 1697 GB64MOD YO4KMU KN44 (x3) 171600 -7 1697 <OZ/KD0NDU> YO4KMU KN44 (x4) 172400 -6 1697 TA1FR YO4KMU R-08 (x2) 172500 -9 1697 RA9SJG YO4KMU KN44
UTC dB Audio Message 151930 -12 1470 YO4KMU MW7RHR RR73 151945 -10 1979 MW7RHR YO4KMU 73 152015 -14 1979 ON4AOI YO4KMU KN44 152030 +7 605 YO4KMU ON4AOI -11 152045 -10 1979 ON4AOI YO4KMU R-10 152100 +3 604 YO4KMU ON4AOI RR73 152115 -6 1979 ON4AOI YO4KMU 73 152145 -14 1979 RA0SCA YO4KMU KN44 152200 -9 1030 YO4KMU RA0SCA -08 152215 -15 1979 RA0SCA YO4KMU R-13 (x2) 152315 -16 1979 DK7ZT YO4KMU R-19 153830 -16 1978 OK2PM YO4KMU KN44 154000 -16 2129 K0HB YO4KMU KN44 (x2)
UTC dB Audio Message 182615 -1 1902 YO2DSA YO4KMU KN44 (x5) 182900 -8 1901 YO4KMU DK7ZT -10 182915 -5 1901 DK7ZT YO4KMU R-14 (x2) 183000 -4 1901 YO4KMU DK7ZT RR73 183015 -11 1902 DK7ZT YO4KMU 73 183100 -7 1811 YO4KMU R2AKN KN35 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.