4Z4UO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4Z4UO, decoded by SO8OO in southeastern Poland. 78 related FT8 messages, 1 CQ messages, observed on 40m, 20m, across 17 UTC dates. Heard between 2026-05-15 and 2026-08-08.
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 4Z4UO worked most often, as logged from our receiver:
Activity Heatmap
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 | 4Z4UO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-18 17:19 | 40m | - / -24 | UA4FKT | -12 / - | 4 | ✓ Closing fragment |
| 07-10 20:51 | 40m | - / -13 | R3BDQ | -15 / - | 2 | ✓ Closing fragment |
| 06-27 18:11 | 40m | - / -13 | YO7ARZ | -14 / - | 3 | ✓ Closing fragment |
| 06-27 09:12 | 20m | - / -15 | CT7AUT | -7 / - | 2 | ✓ Closing fragment |
| 06-26 15:54 | 20m | - / -16 | EA5D | -6 / - | 2 | ✓ Closing fragment |
| 06-23 17:52 | 40m | - / -15 | IQ4JO | +1 / - | 3 | ✓ Closing fragment |
| 06-19 14:12 | 20m | - / - | PD4WAC | -10 / - | 7 | Partial capture |
| 06-17 19:56 | 40m | - / - | EA5GO | -10 / - | 5 | Partial capture |
| 06-17 19:56 | 40m | - / - | SM3ULU | -8 / - | 3 | Partial capture |
| 06-12 20:25 | 40m | - / - | S51UN | -2 / - | 2 | Partial capture |
| 06-05 15:28 | 20m | -15 / - | JY5IB | - / -18 | 3 | Partial capture |
| 06-05 15:15 | 20m | -18 / - | JY5IB | - / -17 | 2 | Partial capture |
| 06-02 19:24 | 20m | -10 / - | 9J2FI | - / -18 | 2 | Partial capture |
| 05-29 10:23 | 20m | - / -17 | SV2CUI | +4 / - | 2 | ✓ Closing fragment |
| 05-29 09:51 | 20m | - / -10 | SV1DKR | -9 / - | 2 | ✓ Closing fragment |
| 05-29 07:28 | 20m | - / -14 | IW9FRA | -16 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 141215 -11 1132 4Z4UO PD4WAC JO22 (x7) 120445 -8 1210 4Z4UO LZ1ZF R-19 155415 -7 1047 4Z4UO EA5D R-16 (x2) 091230 -12 1470 4Z4UO CT7AUT R-15 (x2) 165330 -22 2034 4Z4UO PD1ADA JO21 165330 -4 1557 4Z4UO DK5CW R-12 165600 -19 2034 4Z4UO PD1ADA JO21
UTC dB Audio Message 195800 -10 782 4Z4UO EA5GO IM99 (x2) 175200 +2 2892 4Z4UO IQ4JO JN63 (x3) 181115 -16 1151 4Z4UO YO7ARZ KN14 (x3) 205130 -11 2071 4Z4UO R3BDQ -13 (x2) 212145 -19 1933 4Z4UO RA6AR KN93 171930 -9 1141 4Z4UO UA4FKT LO23 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.