UC5A — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UC5A, decoded by SO8OO in southeastern Poland. 80 related FT8 messages, observed on 40m, 20m, 10m, across 15 UTC dates. Heard between 2026-05-20 and 2026-08-09.
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 UC5A worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UC5A
Approximate centre of KO85, decoded 2026-08-09 10:38 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 | UC5A S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-09 10:41 | 20m | - / +2 | EU6AF | -10 / - | 2 | ✓ Closing fragment |
| 08-01 06:16 | 20m | - / -12 | V31DL | -10 / - | 3 | Partial capture |
| 07-26 18:08 | 20m | - / -9 | DL6EL | 0 / - | 3 | ✓ Closing fragment |
| 07-26 18:07 | 20m | - / -13 | 9A3K | +4 / - | 6 | ✓ Closing fragment |
| 06-27 07:06 | 20m | - / -1 | HI3A | -7 / - | 2 | Partial capture |
| 06-18 14:58 | 20m | -2 / - | UA9ZCT | - / - | 2 | Partial capture |
| 06-18 14:53 | 20m | 0 / - | R9JDA | - / -11 | 2 | Partial capture |
| 06-17 10:04 | 20m | -14 / - | RI0SP | - / - | 2 | Partial capture |
| 06-17 10:03 | 20m | -14 / -13 | UA4SGZ/6 | -11 / -17 | 2 | Partial capture |
| 06-17 09:59 | 20m | - / 0 | F4HSB | -13 / - | 4 | Partial capture |
| 06-17 09:57 | 20m | +4 / +1 | <...> | 0 / - | 2 | Partial capture |
| 06-12 16:56 | 20m | -8 / - | <...> | - / - | 2 | Partial capture |
| 06-12 07:56 | 10m | - / -12 | UA6HGM | -10 / - | 2 | ✓ Closing fragment |
| 06-12 07:51 | 10m | -18 / - | RK9DO | - / - | 2 | Partial capture |
| 06-12 07:47 | 10m | -6 / -5 | RL3F | -17 / - | 3 | ✓ Closing observed |
| 06-12 07:45 | 10m | -22 / - | RW6AU | - / -7 | 2 | ✓ Closing fragment |
| 06-11 19:13 | 20m | -6 / - | 7Z1IS | - / - | 4 | Partial capture |
| 06-11 19:12 | 20m | -6 / -6 | RA4ADF | -6 / -5 | 4 | ✓ Full exchange observed |
| 06-11 19:09 | 20m | 0 / - | LX1GG | - / -12 | 4 | ✓ Closing fragment |
| 06-10 17:53 | 10m | -9 / - | LW4HCL | - / -15 | 2 | Partial capture |
| 06-10 17:46 | 10m | -4 / - | LW4HCL | - / - | 2 | Partial capture |
| 06-10 17:36 | 10m | -6 / - | LW2EDM | - / - | 3 | Partial capture |
| 06-10 14:14 | 20m | - / -6 | RA4CA | -7 / - | 2 | Partial capture |
| 06-10 14:00 | 20m | -24 / - | R7DP | -18 / - | 2 | ✓ Closing observed |
| 06-10 13:47 | 20m | -2 / - | R8FB | +2 / - | 2 | ✓ Closing observed |
| 06-10 13:43 | 20m | -1 / -8 | RX9WN | -11 / -5 | 3 | ✓ Full exchange observed |
| 06-10 13:06 | 20m | -6 / - | A61SD | - / -12 | 2 | Partial capture |
| 06-10 13:01 | 20m | -5 / - | R4PHH | -20 / -1 | 2 | ✓ Closing observed |
| 06-10 12:14 | 20m | -5 / -8 | UE7DR | +11 / -7 | 3 | Partial capture |
| 06-10 12:12 | 20m | -9 / 0 | UE6RU | +6 / +1 | 3 | ✓ Full exchange observed |
| 06-10 12:07 | 20m | -5 / -15 | R8CGE | -10 / -9 | 5 | ✓ Full exchange observed |
| 06-10 12:06 | 20m | -12 / -9 | UE26RUS | +4 / -1 | 3 | Partial capture |
| 06-10 12:01 | 20m | -17 / +6 | UE6DR | +6 / +2 | 4 | ✓ Full exchange observed |
| 05-31 07:40 | 20m | +1 / -16 | RA3WEO | +18 / - | 3 | Partial capture |
| 05-29 17:22 | 20m | -11 / - | R4AC | - / - | 2 | Partial capture |
| 05-29 17:11 | 20m | +1 / - | RI0SP | - / -14 | 2 | ✓ Closing fragment |
| 05-29 16:48 | 20m | -8 / - | ER3CT | - / -8 | 2 | ✓ Closing fragment |
| 05-29 16:46 | 20m | -2 / -7 | <...> | +9 / -2 | 3 | Partial capture |
| 05-29 16:44 | 20m | -9 / - | ER3CT | - / - | 2 | Partial capture |
| 05-29 16:42 | 20m | -8 / -4 | A61CK | +2 / -4 | 5 | ✓ Full exchange observed |
| 05-28 18:41 | 20m | - / -14 | SV5BYP | +10 / - | 2 | ✓ Closing fragment |
| 05-28 12:58 | 20m | -14 / -16 | RC9WC | -14 / -15 | 2 | Partial capture |
| 05-28 12:51 | 20m | -16 / - | R7DK | -16 / -16 | 3 | ✓ Closing observed |
| 05-28 10:56 | 20m | -10 / - | RZ9A | -3 / +1 | 7 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 180715 +2 1585 UC5A 9A3K JN65 (x3) 180845 -2 921 UC5A DL6EL JN57 180915 +4 1585 UC5A 9A3K JN65 180915 +2 921 UC5A DL6EL R-09 (x2) 181015 +14 2686 UC5A 9A3K R-13 (x2) 061645 -7 918 UC5A V31DL EK57 (x3) 103830 -24 2104 UB6OCP UC5A KO85 104145 -8 694 UC5A EU6AF +02 (x2)
UTC dB Audio Message 173330 -7 2471 UC5A R6OJ -21 (x2)
UTC dB Audio Message 174745 -10 754 LA1HW UC5A KO85 175315 -8 2594 LW4HCL UC5A R-15 (x2) 074545 -21 1481 RW6AU UC5A R-07 (x2) 074715 -12 2289 RL3F UC5A KO85 074800 -17 2288 UC5A RL3F -05 074815 -1 2288 RL3F UC5A RR73 075130 -18 2135 RK9DO UC5A KO85 (x2) 075430 -19 1356 UC5A R4HEA -14 075600 -10 1356 UC5A UA6HGM R-12 (x2) 075830 -15 2135 RK9DO UC5A KO85 080445 -10 2253 RA6AVP UC5A KO85
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.