RC9UB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RC9UB, decoded by SO8OO in southeastern Poland. 63 related FT8 messages, 6 CQ messages, observed on 20m, 10m, across 18 UTC dates. Heard between 2026-05-25 and 2026-08-21.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations RC9UB 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 | RC9UB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 04:34 | 20m | - / 0 | EX7CQ | -5 / - | 2 | ✓ Closing fragment |
| 08-10 04:41 | 20m | - / - | PD2ARI | -6 / - | 5 | Partial capture |
| 08-10 04:40 | 20m | - / -12 | IW4AOT | -8 / - | 4 | Partial capture |
| 08-10 04:36 | 20m | - / - | F4LNM | -14 / - | 3 | Partial capture |
| 08-07 05:38 | 20m | - / - | RZ4FWA | -13 / - | 2 | Partial capture |
| 07-28 04:33 | 20m | - / - | F4LNM | -16 / - | 3 | Partial capture |
| 07-20 06:22 | 10m | - / -7 | RA4FW | -24 / - | 2 | ✓ Closing fragment |
| 07-08 05:08 | 20m | - / -7 | R5AV | -14 / - | 2 | Partial capture |
| 06-29 04:48 | 10m | - / -14 | RZ3ZY | -17 / - | 3 | Partial capture |
| 06-11 05:42 | 20m | - / - | EW4DX | +16 / - | 2 | Partial capture |
| 06-11 04:41 | 20m | - / -13 | R9FFT | 0 / - | 3 | ✓ Closing fragment |
| 06-04 05:12 | 20m | - / +3 | UN0GY | +4 / - | 2 | ✓ Closing fragment |
| 06-03 03:53 | 20m | -24 / - | RG5A | -10 / - | 2 | ✓ Closing observed |
| 05-29 05:26 | 20m | - / -3 | OR7K | -8 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 043600 -15 1993 RC9UB F4LNM JN09 (x3) 044030 -11 1992 RC9UB IW4AOT -12 044100 -8 2789 RC9UB PD2ARI JO22 044100 -7 1992 RC9UB IW4AOT -12 (x2) 044200 -8 2789 RC9UB PD2ARI JO22 044200 -12 1991 RC9UB R7OV KN87 044230 -8 1992 RC9UB IW4AOT -12 044400 -8 2789 RC9UB PD2ARI JO22 (x3) 043400 -2 1767 RC9UB EX7CQ +00 (x2)
UTC dB Audio Message 053300 -13 1784 RC9UB EX8ABR -02 053330 -14 1782 RC9UB RR73; SV8DUU <...> -12 044815 -17 1194 RC9UB RZ3ZY -14 (x3) 062200 -24 1520 RC9UB RA4FW -07 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.