YO4LUP — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO4LUP, decoded by SO8OO in southeastern Poland. 3,736 related FT8 messages, 1,335 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 46 UTC dates. Heard between 2026-05-23 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations YO4LUP worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO4LUP
Approximate centre of KN43, decoded 2026-08-21 20:15 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 | YO4LUP S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 20:07 | 80m | -1 / - | IZ5AHA | - / -20 | 4 | Partial capture |
| 08-21 20:05 | 80m | -3 / - | DL8LE | +7 / -6 | 4 | ✓ Closing observed |
| 08-21 20:00 | 80m | -2 / - | EA2DDE | - / - | 2 | Partial capture |
| 08-21 19:59 | 80m | -4 / 0 | IK3ASM | -6 / -14 | 4 | ✓ Full exchange observed |
| 08-21 19:53 | 80m | - / -11 | UB1Q | -9 / - | 2 | ✓ Closing fragment |
| 08-21 19:48 | 80m | - / -15 | RZ4AT | -8 / - | 2 | ✓ Closing fragment |
| 08-21 19:44 | 80m | -10 / - | RZ4AT | - / - | 2 | Partial capture |
| 08-21 19:41 | 80m | -10 / - | OH4JFN | +1 / -17 | 4 | ✓ Closing observed |
| 08-21 19:40 | 80m | -7 / - | LZ3SD | -1 / 0 | 5 | ✓ Full exchange observed |
| 08-21 19:37 | 80m | -14 / - | IZ0COC | - / - | 2 | Partial capture |
| 08-21 19:36 | 80m | -12 / - | OH2CI | -4 / -16 | 4 | ✓ Closing observed |
| 08-21 19:34 | 80m | -8 / - | MW7GQB | - / - | 2 | Partial capture |
| 08-21 19:31 | 80m | -8 / -7 | SP2OSP | +14 / -11 | 5 | ✓ Full exchange observed |
| 08-21 19:29 | 80m | -8 / - | MW7GQB | -7 / -16 | 2 | Partial capture |
| 08-21 19:28 | 80m | -8 / -9 | OH3DJP | -5 / - | 3 | Partial capture |
| 08-21 19:26 | 80m | -10 / - | MW7GQB | - / -20 | 4 | Partial capture |
| 08-21 19:23 | 80m | -6 / -13 | OE1KLA | +6 / -10 | 6 | ✓ Full exchange observed |
| 08-21 19:22 | 80m | -3 / -11 | UX7BM | +16 / - | 3 | ✓ Closing observed |
| 08-21 19:18 | 80m | - / -18 | DD8BA | -8 / - | 2 | ✓ Closing fragment |
| 08-21 19:18 | 80m | - / -15 | IZ7BAR | -14 / - | 3 | Partial capture |
| 08-21 19:15 | 80m | -12 / -8 | UW5KW | -4 / -9 | 4 | ✓ Full exchange observed |
| 08-21 19:14 | 80m | -5 / - | OH4KRN | - / - | 2 | Partial capture |
| 08-21 19:12 | 80m | -3 / -5 | DG4BRT | -10 / -16 | 6 | ✓ Full exchange observed |
| 08-21 19:10 | 80m | -4 / - | UF4S/P | - / -10 | 2 | Partial capture |
| 08-21 18:21 | 40m | - / -4 | RK3AW | -18 / - | 2 | ✓ Closing fragment |
| 08-21 18:17 | 40m | -14 / - | OH2BGD | -3 / -7 | 3 | ✓ Closing observed |
| 08-21 18:09 | 40m | - / -7 | UV5ENO | +4 / - | 2 | ✓ Closing fragment |
| 08-21 18:06 | 40m | - / -11 | RA3GZ | +1 / - | 2 | ✓ Closing fragment |
| 08-21 17:56 | 40m | - / -9 | RA6OD | +4 / - | 2 | ✓ Closing fragment |
| 08-21 17:44 | 40m | - / +8 | HA1LS | -5 / - | 6 | ✓ Closing fragment |
| 08-21 17:41 | 40m | - / - | HA1DSL | -20 / - | 2 | Partial capture |
| 08-21 17:40 | 40m | -12 / - | DL1DXX | - / - | 2 | Partial capture |
| 08-21 17:39 | 40m | -11 / - | UN3P | - / -18 | 3 | ✓ Closing fragment |
| 08-21 17:38 | 40m | - / - | RX4SA | -15 / - | 2 | Partial capture |
| 08-21 17:37 | 40m | -10 / - | IU5VLR | - / - | 2 | Partial capture |
| 08-20 17:07 | 20m | - / -9 | F5MMP | -6 / - | 2 | ✓ Closing fragment |
| 08-19 20:55 | 20m | -16 / - | KV4G | - / -18 | 3 | Partial capture |
| 08-19 20:49 | 20m | -10 / - | LU3CQ | - / - | 3 | Partial capture |
| 08-19 20:48 | 20m | -11 / - | SV9QWC | - / -9 | 2 | ✓ Closing fragment |
| 08-19 20:38 | 20m | - / -9 | 7Z1DH | -16 / - | 2 | ✓ Closing fragment |
| 08-19 20:20 | 20m | -17 / - | M9DNC | - / -19 | 2 | Partial capture |
| 08-19 20:18 | 20m | -15 / - | F5HMS | - / -24 | 3 | Partial capture |
| 08-19 20:15 | 20m | -14 / - | WX8W | - / -18 | 5 | ✓ Closing fragment |
| 08-19 19:55 | 20m | -17 / - | F5SPJ | - / - | 2 | Partial capture |
| 08-19 19:54 | 20m | -21 / - | DL9PRE | - / -13 | 3 | ✓ Closing fragment |
| 08-19 19:53 | 20m | - / - | M9LCB | -14 / - | 3 | Partial capture |
| 08-19 19:50 | 20m | -24 / - | OM3PR | - / -14 | 2 | ✓ Closing fragment |
| 08-19 19:49 | 20m | -24 / - | SP3OTZ | - / - | 2 | Partial capture |
| 08-19 19:45 | 20m | - / -9 | F1PBZ | +5 / - | 4 | Partial capture |
| 08-19 19:42 | 20m | - / -13 | M0GLV | +3 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200500 +2 1007 CQ YO4LUP KN43 200530 -2 1007 DL8LE YO4LUP KN43 (x2) 200615 +7 695 YO4LUP DL8LE RR73 200630 -3 1007 DL8LE YO4LUP 73 200700 -2 1007 IZ5AHA YO4LUP KN43 (x4) 201200 +0 1007 RV4CC YO4LUP KN43 201300 -3 1007 DO9UWE YO4LUP KN43 201400 +1 1007 CQ YO4LUP KN43 a1 (x2) 201500 -3 1007 F8FUA YO4LUP KN43 201530 +1 1007 CQ YO4LUP KN43
UTC dB Audio Message 175715 +0 1830 YO4LUP RA6OD RR73 175945 -4 1446 YO4LUP RN7B RR73 180645 +2 1431 YO4LUP RA3GZ -11 (x2) 180915 +6 372 YO4LUP UV5ENO -07 (x2) 181045 -4 1829 YO4LUP UR4LG KN89 181115 -24 1829 YO4LUP R4HLO LO43 181245 -3 1829 YO4LUP IZ4AIF JN54 181730 -13 1829 OH2BGD YO4LUP KN43 (x2) 181815 -3 778 YO4LUP OH2BGD RR73 181900 -12 1829 IZ1GCS YO4LUP KN43 182115 -19 1154 YO4LUP RK3AW -04 (x2)
UTC dB Audio Message 205200 -12 1885 LU3CQ YO4LUP KN43 205400 -8 1885 PY2CEC YO4LUP KN43 205430 -12 1885 CQ YO4LUP KN43 205530 -15 1884 KV4G YO4LUP -18 (x3) 205800 -17 1884 M7EOI YO4LUP -13 170715 -5 2640 YO4LUP F5MMP -09 (x2) 172030 -24 1709 YO4LUP PA1AMS JO22 172400 -7 1225 YO4LUP EC3A -16 172600 -10 2298 YO4LUP G4XWR RRR 172700 -7 1225 YO4LUP EC3A -12 172900 -16 772 YO4LUP OZ6HR RR73 173630 -11 1567 YO4LUP 2E0NBL +02
UTC dB Audio Message 154800 -16 926 YO4LUP A41ZZ -13 142630 -8 1837 YO4LUP 7Q3CM -05 (x2) 155730 -2 2688 YO4LUP F1PBZ -16 (x3) 155330 -24 1842 YO4LUP RU3XK +08 (x2) 155600 -19 1338 YO4LUP US3LX R+00 (x2) 160600 -11 1922 YO4LUP RV3QI RR73 161230 +2 1772 YO4LUP R7DX -08 (x2) 162100 -6 2879 YO4LUP R3LC 73 150730 -24 1682 YO4LUP DN9SGE JO42
UTC dB Audio Message 005645 -2 1034 YO4LUP PG7R JO22 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.