RC4HAA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RC4HAA, decoded by SO8OO in southeastern Poland. 78 related FT8 messages, 2 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-04-24 and 2026-06-11.
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 RC4HAA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RC4HAA
Approximate centre of LO53, decoded 2026-06-15 04:45 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 | RC4HAA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 06-14 18:01 | 10m | -9 / - | PP2RR | - / -7 | 5 | ✓ Closing fragment |
| 06-11 22:23 | 80m | - / - | PA3FPQ | +8 / - | 3 | Partial capture |
| 06-11 22:21 | 80m | -10 / -16 | EA8UP | 0 / 0 | 7 | ✓ Full exchange observed |
| 06-11 06:33 | 10m | - / -3 | 9X5KM | +5 / - | 2 | Partial capture |
| 06-11 06:25 | 10m | -7 / - | 9X5KM | - / - | 9 | Partial capture |
| 06-06 12:22 | 10m | -1 / - | R3ICU | - / -12 | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 222145 -9 1032 EA8UP RC4HAA LO53 222200 -2 732 RC4HAA EA8UP -16 222215 -11 1032 EA8UP RC4HAA R+00 222230 +2 732 RC4HAA EA8UP -16 222245 -10 1032 EA8UP RC4HAA R+00 222300 +1 732 RC4HAA EA8UP RR73 222315 -9 1032 EA8UP RC4HAA 73 222330 +8 384 RC4HAA PA3FPQ JO32 222330 +8 588 RC4HAA RM5F KO85 222400 +8 384 RC4HAA PA3FPQ JO32 (x2) 194945 -12 1728 JE1CCD RC4HAA 73
UTC dB Audio Message 044415 -5 1100 2E0EWM RC4HAA LO53 044545 +3 1100 9K2MP RC4HAA LO53
UTC dB Audio Message 062645 -3 1503 9X5KM RC4HAA LO53 (x7) 063300 +6 822 RC4HAA 9X5KM -03 (x2) 180145 -6 1314 PP2RR RC4HAA LO53 (x5) 180645 -19 2034 PU2XEE RC4HAA LO53
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.