YO4BXX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO4BXX, decoded by SO8OO in southeastern Poland. 564 related FT8 messages, 113 CQ messages, observed on 80m, 40m, 20m, 10m, across 48 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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 YO4BXX worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO4BXX
Approximate centre of KN44, decoded 2026-08-23 20:53 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 | YO4BXX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:51 | 80m | +6 / - | KP4JFR | - / - | 4 | Partial capture |
| 08-23 20:22 | 80m | +9 / 0 | E75C | +1 / -3 | 3 | Partial capture |
| 08-23 20:18 | 80m | +10 / -5 | RC2DD | +8 / -6 | 7 | ✓ Full exchange observed |
| 08-23 20:17 | 80m | +12 / -4 | OZ1IVA | -13 / -19 | 5 | ✓ Full exchange observed |
| 08-23 20:12 | 40m | +7 / - | 3A2MW | - / - | 4 | Partial capture |
| 08-22 10:49 | 20m | +6 / - | SV2AOB | -14 / +3 | 4 | ✓ Full exchange observed |
| 08-22 00:10 | 80m | -3 / - | 9V1YC | - / - | 10 | Partial capture |
| 08-22 00:09 | 80m | -1 / - | <...> | - / - | 2 | Partial capture |
| 08-21 20:39 | 80m | - / -8 | RU3T | -6 / - | 3 | ✓ Closing fragment |
| 08-21 20:38 | 80m | - / -15 | LA1H | -20 / - | 3 | Partial capture |
| 08-21 20:36 | 80m | - / -21 | JA5AQC | -19 / - | 2 | ✓ Closing fragment |
| 08-21 19:53 | 40m | -6 / - | R2FDI | - / - | 4 | Partial capture |
| 08-21 19:21 | 20m | -6 / - | DU7/NW5H | - / - | 11 | Partial capture |
| 08-21 19:14 | 20m | -12 / - | EX7CQ | - / - | 10 | Partial capture |
| 08-21 19:12 | 20m | -4 / - | NF3R | - / - | 3 | Partial capture |
| 08-21 19:10 | 20m | - / +1 | DF6QN | +19 / - | 7 | Partial capture |
| 08-20 17:24 | 40m | -5 / +9 | HA1DSL | -7 / -14 | 5 | ✓ Full exchange observed |
| 08-19 18:44 | 20m | -6 / - | JT1PB | - / -23 | 19 | Partial capture |
| 08-19 00:06 | 80m | +17 / - | 9V1YC | - / - | 12 | Partial capture |
| 08-18 20:02 | 80m | +11 / - | JE1CCD | - / -21 | 6 | ✓ Closing fragment |
| 08-17 23:50 | 80m | +3 / - | 9V1YC | - / - | 8 | Partial capture |
| 08-17 19:55 | 80m | -2 / -17 | DM5JBN | +2 / -4 | 3 | ✓ Full exchange observed |
| 08-17 19:48 | 80m | -7 / - | D2UY | - / - | 6 | Partial capture |
| 08-17 19:40 | 80m | -4 / - | RA0SCA | - / -13 | 10 | ✓ Closing fragment |
| 08-17 19:38 | 80m | -2 / -10 | SP1ADT | +4 / -8 | 5 | ✓ Full exchange observed |
| 08-17 19:36 | 80m | - / - | DL9KM | -11 / - | 7 | Partial capture |
| 08-17 19:33 | 80m | - / -4 | RA2FU | -13 / - | 3 | Partial capture |
| 08-16 20:25 | 80m | - / -13 | YO3OBB | -3 / - | 3 | ✓ Closing fragment |
| 08-16 20:02 | 80m | -7 / - | ZL4KX | - / -25 | 10 | ✓ Closing fragment |
| 08-16 19:54 | 40m | -8 / - | G8OO | - / -12 | 3 | Partial capture |
| 08-16 19:48 | 40m | -9 / - | 9J2FI | - / -21 | 8 | ✓ Closing fragment |
| 08-16 19:19 | 20m | -10 / - | VE9JMC | - / - | 8 | Partial capture |
| 08-16 00:45 | 40m | -2 / - | S55OO | - / 0 | 8 | ✓ Closing fragment |
| 08-15 19:52 | 80m | +9 / - | JH1BBT | - / -16 | 6 | ✓ Closing fragment |
| 08-15 19:45 | 80m | +10 / - | DL6KA | - / - | 3 | Partial capture |
| 08-15 19:39 | 80m | +8 / - | LU1GBS | - / - | 12 | Partial capture |
| 08-15 19:28 | 40m | -12 / - | TA1MHS | - / -12 | 2 | Partial capture |
| 08-15 14:47 | 40m | -12 / - | VU2FR | - / - | 10 | Partial capture |
| 08-14 18:54 | 20m | -3 / - | YT1DDL | - / - | 5 | Partial capture |
| 08-14 00:55 | 80m | +11 / - | A93MO | - / - | 18 | Partial capture |
| 08-13 20:30 | 80m | +14 / - | JH4IFF | - / -16 | 2 | ✓ Closing fragment |
| 08-13 20:28 | 80m | +10 / - | SA4AGM | -18 / -18 | 4 | ✓ Closing observed |
| 08-13 20:27 | 80m | +13 / -5 | HA7XL | +23 / -1 | 5 | ✓ Full exchange observed |
| 08-13 20:25 | 80m | +10 / - | JG3TRB | - / -20 | 3 | ✓ Closing fragment |
| 08-13 20:22 | 80m | +12 / - | TF4M | - / -19 | 4 | ✓ Closing fragment |
| 08-13 20:20 | 80m | +11 / -2 | YL3BU | -12 / -5 | 7 | ✓ Full exchange observed |
| 08-13 19:15 | 80m | +5 / - | US3LX | -2 / -6 | 5 | ✓ Full exchange observed |
| 08-13 19:12 | 80m | +5 / - | ER3RR | - / +2 | 2 | ✓ Closing fragment |
| 08-13 19:09 | 80m | +1 / - | OE9RWH | - / - | 6 | Partial capture |
| 08-13 19:07 | 80m | +5 / - | SV8GXC | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 201845 -18 1452 YO4BXX OZ1IVA 73 201845 +7 2646 YO4BXX RC2DD KO85 (x3) 202030 +10 2646 RC2DD YO4BXX -06 202045 +7 2645 YO4BXX RC2DD R-05 202100 +10 2646 RC2DD YO4BXX RR73 202115 +10 2645 YO4BXX RC2DD 73 202200 +10 2646 E75C YO4BXX KN44 202215 +1 1866 YO4BXX E75C +00 202230 +8 2646 E75C YO4BXX R-03 205130 +14 2646 KP4JFR YO4BXX KN44 (x4)
UTC dB Audio Message 172415 -9 2005 YO4BXX HA1DSL JN86 172430 -4 2005 HA1DSL YO4BXX -14 172445 -5 2005 YO4BXX HA1DSL R+09 172500 -6 2005 HA1DSL YO4BXX RR73 172515 -7 2005 YO4BXX HA1DSL 73 195345 -4 1783 R2FDI YO4BXX KN44 (x4) 112515 -16 1169 SQ9SET YO4BXX KN44 201230 +4 2683 3A2MW YO4BXX KN44 (x5)
UTC dB Audio Message 192445 -7 1826 DU7/NW5H YO4BXX KN44 (x5) 104530 -3 1212 CQ YO4BXX KN44 (x6) 104900 +6 1212 SV2AOB YO4BXX +03 104915 -15 2154 YO4BXX SV2AOB R+16 104930 +6 1212 SV2AOB YO4BXX RR73 104945 -12 2154 YO4BXX SV2AOB 73
UTC dB Audio Message 132230 -13 1455 OH0ERF YO4BXX R-25 (x15)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.