R3UDU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R3UDU, decoded by SO8OO in southeastern Poland. 458 related FT8 messages, 37 CQ messages, observed on 40m, 20m, across 8 UTC dates. Heard between 2026-08-15 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 R3UDU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R3UDU
Approximate centre of LO07, decoded 2026-08-23 18:12 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 | R3UDU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 18:10 | 40m | - / - | SV8GXC | -12 / - | 2 | Partial capture |
| 08-23 18:07 | 40m | -18 / -4 | EW8AAC | -5 / -14 | 5 | ✓ Full exchange observed |
| 08-23 17:58 | 40m | -22 / -16 | RU3T | -4 / -14 | 6 | ✓ Full exchange observed |
| 08-23 17:57 | 40m | - / - | 9A4ZM | -3 / - | 2 | Partial capture |
| 08-23 17:56 | 40m | -18 / +1 | RA3PS | -4 / - | 4 | ✓ Closing observed |
| 08-23 17:52 | 40m | - / -7 | RN6LPC | +4 / - | 2 | ✓ Closing fragment |
| 08-23 17:26 | 40m | - / - | RO3ZR | +4 / - | 2 | Partial capture |
| 08-23 17:24 | 40m | - / -9 | RQ3P | -8 / - | 2 | ✓ Closing fragment |
| 08-23 13:24 | 20m | - / - | EA3IDY | -8 / - | 3 | Partial capture |
| 08-23 13:20 | 20m | -12 / - | UA1WA | - / - | 2 | ✓ Closing fragment |
| 08-23 13:08 | 20m | -8 / -14 | F1ODM | -4 / -22 | 4 | ✓ Full exchange observed |
| 08-23 13:06 | 20m | - / - | HB9HYO | +1 / - | 4 | Partial capture |
| 08-23 13:00 | 20m | -6 / - | R1BED | - / -6 | 2 | ✓ Closing fragment |
| 08-23 12:59 | 20m | -9 / - | R0SAU | - / +10 | 2 | ✓ Closing fragment |
| 08-23 12:54 | 20m | -12 / - | DL4NWM | -10 / -14 | 5 | Partial capture |
| 08-23 12:14 | 20m | -6 / - | SP6FME | - / +7 | 2 | ✓ Closing fragment |
| 08-23 12:11 | 20m | -10 / -9 | F5RRS | +11 / 0 | 5 | ✓ Full exchange observed |
| 08-23 12:09 | 20m | -7 / - | UA1OJL | - / +7 | 2 | ✓ Closing fragment |
| 08-23 12:08 | 20m | - / - | PD1HPB | +3 / - | 10 | Partial capture |
| 08-23 12:08 | 20m | - / - | RN6LDK | -4 / - | 2 | Partial capture |
| 08-23 12:06 | 20m | -2 / -10 | G4HUE | +1 / -19 | 4 | ✓ Full exchange observed |
| 08-23 12:01 | 20m | - / -17 | RW9AD | -9 / - | 3 | ✓ Closing fragment |
| 08-23 12:00 | 20m | - / - | PE1NPS | -11 / - | 3 | Partial capture |
| 08-23 11:57 | 20m | - / -6 | ON4AOI | +1 / - | 3 | ✓ Closing fragment |
| 08-23 11:47 | 20m | -9 / - | R9FF | -19 / -14 | 2 | Partial capture |
| 08-23 11:44 | 20m | - / 0 | F1PSX | +2 / - | 2 | Partial capture |
| 08-23 11:44 | 20m | -11 / -17 | SP6AXW | -7 / - | 6 | ✓ Closing observed |
| 08-23 11:42 | 20m | -9 / - | R9OX | - / -12 | 3 | ✓ Closing fragment |
| 08-23 11:40 | 20m | -8 / - | RA0LQ | - / +5 | 2 | ✓ Closing fragment |
| 08-23 11:39 | 20m | -8 / -3 | ON1AJ | -7 / -11 | 5 | ✓ Full exchange observed |
| 08-22 21:54 | 40m | - / - | DL1HQN | +4 / - | 2 | Partial capture |
| 08-22 21:48 | 40m | - / - | F4VTR | 0 / - | 3 | Partial capture |
| 08-22 21:43 | 40m | - / - | IK0HBN | +2 / - | 3 | Partial capture |
| 08-22 21:41 | 40m | -19 / -14 | F1HFP | 0 / - | 3 | ✓ Closing observed |
| 08-21 19:20 | 20m | - / - | SP6AXW | -10 / - | 4 | Partial capture |
| 08-21 19:15 | 20m | - / -6 | F4GRW | -5 / - | 3 | Partial capture |
| 08-21 18:46 | 20m | - / - | PD3LKN | -8 / - | 5 | Partial capture |
| 08-21 18:31 | 20m | - / -14 | CT1BFP | -10 / - | 4 | ✓ Closing fragment |
| 08-21 18:19 | 20m | - / - | DL1R | +11 / - | 9 | Partial capture |
| 08-20 19:07 | 40m | -16 / +5 | RA6LTD | -5 / -3 | 6 | ✓ Full exchange observed |
| 08-20 19:06 | 40m | -14 / - | F5RRS | -1 / - | 2 | ✓ Closing observed |
| 08-20 18:59 | 40m | - / -7 | RA4Y | 0 / - | 4 | ✓ Closing fragment |
| 08-20 18:58 | 40m | - / - | IN3IZQ | -10 / - | 2 | Partial capture |
| 08-20 18:58 | 40m | - / -14 | R2FDU | -2 / - | 2 | ✓ Closing fragment |
| 08-20 18:55 | 40m | - / - | DL5MK | +8 / - | 3 | Partial capture |
| 08-20 18:52 | 40m | - / -12 | EW8CW | -5 / - | 4 | ✓ Closing fragment |
| 08-20 18:51 | 40m | -16 / -1 | RM5F | -3 / +8 | 5 | ✓ Full exchange observed |
| 08-20 18:49 | 40m | -18 / - | RA6OD | -1 / +5 | 4 | ✓ Closing observed |
| 08-20 18:38 | 40m | - / -6 | UB4HVA | -4 / - | 4 | ✓ Closing fragment |
| 08-20 18:32 | 40m | - / -7 | R4FV | +6 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 180015 -19 1852 R3SE R3UDU 73 180045 -20 1852 CQ R3UDU LO07 a1 (x5) 180715 -19 2051 EW8AAC R3UDU LO07 180730 -5 1724 R3UDU EW8AAC -04 180745 -17 2052 EW8AAC R3UDU R-14 180800 -7 1723 R3UDU EW8AAC RR73 (x2) 181000 -12 2052 R3UDU SV8GXC KM38 (x2) 181215 -17 2051 CQ R3UDU LO07 181815 -6 2052 R3UDU OZ5AGJ JO47
UTC dB Audio Message 130645 -4 1663 R3UDU HB9HYO JN36 (x3) 130815 -1 1447 R3UDU F1ODM -14 130815 -3 1663 R3UDU HB9HYO JN36 130845 -4 1447 R3UDU F1ODM -14 130900 -8 1449 F1ODM R3UDU R-22 130915 -6 1447 R3UDU F1ODM RR73 130930 -11 1448 CQ R3UDU LO07 (x2) 132000 -13 1452 UA1WA R3UDU R+12 (x2) 132445 -6 1163 R3UDU EA3IDY JN01 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.