KC4YAO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KC4YAO, decoded by SO8OO in southeastern Poland. 1,245 related FT8 messages, 318 CQ messages, observed on 80m, 40m, 20m, across 42 UTC dates. Heard between 2026-05-21 and 2026-08-12.
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 KC4YAO worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by KC4YAO
Approximate centre of EL98, decoded 2026-08-12 03:21 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 | KC4YAO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-12 03:22 | 20m | 0 / - | UX7UU | - / -13 | 5 | Partial capture |
| 08-12 02:48 | 20m | - / -3 | PD2WL | -4 / - | 8 | Partial capture |
| 08-12 02:47 | 20m | - / - | DK9ZQ | +1 / - | 3 | Partial capture |
| 08-12 02:46 | 20m | - / - | UX4LX | -16 / - | 2 | Partial capture |
| 08-12 02:44 | 20m | - / - | DK9ZQ | -2 / - | 2 | Partial capture |
| 08-11 05:22 | 20m | - / - | DL4JG | -18 / - | 3 | Partial capture |
| 08-11 05:22 | 20m | - / - | PD0RCQ | -2 / - | 2 | Partial capture |
| 08-11 05:19 | 20m | - / - | E70NA | -18 / - | 2 | Partial capture |
| 08-11 05:19 | 20m | -6 / -1 | RG3H | -4 / -10 | 4 | ✓ Full exchange observed |
| 08-11 05:18 | 20m | - / - | DK9ZQ | +2 / - | 2 | Partial capture |
| 08-11 05:14 | 20m | - / - | EA1HVS | -14 / - | 4 | Partial capture |
| 08-11 05:12 | 20m | -6 / - | UT7NY | - / -13 | 2 | Partial capture |
| 08-11 05:12 | 20m | -6 / 0 | LZ3BS | 0 / -1 | 5 | ✓ Full exchange observed |
| 08-11 05:11 | 20m | -3 / - | DL2JB | -3 / - | 4 | ✓ Closing observed |
| 08-11 05:10 | 20m | - / - | F4LNM | +4 / - | 4 | Partial capture |
| 08-11 05:10 | 20m | - / - | R3WDW | -2 / - | 2 | Partial capture |
| 08-11 05:10 | 20m | - / - | YT1DDL | -8 / - | 2 | Partial capture |
| 08-11 05:09 | 20m | - / - | PD0RCQ | +4 / - | 2 | Partial capture |
| 08-11 03:12 | 40m | - / -15 | R3XBS | -12 / - | 9 | Partial capture |
| 08-11 02:56 | 40m | - / - | R2EC | -15 / - | 2 | Partial capture |
| 08-10 03:47 | 20m | - / - | UX4LX | -20 / - | 2 | Partial capture |
| 08-10 03:36 | 20m | - / -22 | RC5F | -10 / - | 3 | ✓ Closing fragment |
| 08-10 03:23 | 20m | - / - | UT5ECZ | +2 / - | 2 | ✓ Closing fragment |
| 08-09 03:20 | 40m | - / - | R3ST | -6 / - | 4 | Partial capture |
| 08-09 03:15 | 40m | - / - | RZ6L | -2 / - | 2 | Partial capture |
| 08-08 05:38 | 40m | - / - | DH6DAO | -18 / - | 2 | Partial capture |
| 08-08 05:38 | 40m | - / - | SP9MRP | -16 / - | 3 | Partial capture |
| 08-08 05:26 | 40m | - / - | DH6DAO | -12 / - | 3 | Partial capture |
| 08-08 05:11 | 40m | - / - | PA2RO | -4 / - | 2 | Partial capture |
| 08-08 05:05 | 40m | - / -8 | DA1ST | -12 / - | 2 | ✓ Closing fragment |
| 08-08 05:01 | 40m | - / - | S57BDM | -16 / - | 5 | Partial capture |
| 08-06 19:00 | 20m | - / - | M0SLI | 0 / - | 28 | Partial capture |
| 08-06 04:11 | 20m | - / -1 | RN6MA | +10 / - | 3 | Partial capture |
| 08-04 05:32 | 40m | - / - | DG1KDD | -14 / - | 2 | Partial capture |
| 08-04 03:32 | 80m | - / - | SP1ZMO | +12 / - | 4 | Partial capture |
| 08-04 03:31 | 80m | -11 / - | WD4HMR | - / -12 | 2 | ✓ Closing fragment |
| 08-04 03:31 | 80m | - / - | DL2RPN | -6 / - | 2 | Partial capture |
| 08-04 03:31 | 80m | - / - | OK2UPG | +18 / - | 2 | Partial capture |
| 08-04 03:30 | 80m | -11 / -6 | OM1II | +13 / -16 | 5 | ✓ Full exchange observed |
| 08-04 03:30 | 80m | - / - | SP5KG | +4 / - | 3 | Partial capture |
| 08-04 03:00 | 40m | - / - | R2HH | -20 / - | 2 | Partial capture |
| 08-04 03:00 | 40m | - / +4 | UT5ECZ | +5 / - | 2 | ✓ Closing fragment |
| 08-04 02:55 | 40m | - / - | UA4FKT | +5 / - | 3 | Partial capture |
| 08-02 21:06 | 20m | - / -16 | IU2SLI | -4 / - | 2 | Partial capture |
| 08-02 21:02 | 20m | - / -11 | IU2SLI | -2 / - | 3 | ✓ Closing fragment |
| 08-02 20:57 | 20m | - / -8 | IU2SLI | -2 / - | 3 | Partial capture |
| 08-02 20:47 | 20m | - / - | IU2THY | -4 / - | 2 | Partial capture |
| 08-02 20:47 | 20m | - / - | PA2EW | +10 / - | 2 | Partial capture |
| 08-02 03:33 | 20m | -14 / - | S51RU | - / -10 | 2 | Partial capture |
| 08-02 03:30 | 20m | -14 / - | RK6AAC | - / +1 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 025100 -5 3078 KC4YAO PD2WL -03 (x4) 031945 +1 2901 CQ KC4YAO EL98 (x4) 032200 -15 2416 KC4YAO DL7UHD JO62 032215 -1 2902 UX7UU KC4YAO -13 (x4) 032400 -19 1939 KC4YAO UA3IKR KO76 032445 -2 2901 UX7UU KC4YAO -13
UTC dB Audio Message 032130 -5 2251 KC4YAO R3ST LO05 (x2) 032230 -13 2251 KC4YAO EA2DYB IN83 025630 -16 939 KC4YAO R2EC KO82 (x2) 025830 +5 3071 KC4YAO RG6OO -14 031230 -14 1184 KC4YAO R3XBS -15 (x9)
UTC dB Audio Message 033100 +17 738 KC4YAO OK2UPG JN99 033100 -6 1871 KC4YAO DL2RPN JO62 033100 +0 1174 KC4YAO SP5KG KO02 033100 +12 2704 KC4YAO OM1II R-06 033115 -12 2707 OM1II KC4YAO RR73 033130 +13 2703 KC4YAO OM1II 73 033130 +19 738 KC4YAO OK2UPG JN99 033130 -5 1871 KC4YAO DL2RPN JO62 033145 -15 2707 WD4HMR KC4YAO -12 033200 +6 1174 KC4YAO SP5KG KO02 033200 +10 2709 KC4YAO SP1ZMO JO73 033215 -7 2707 WD4HMR KC4YAO RR73 033230 +15 2709 KC4YAO SP1ZMO JO73 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.