IU4TPU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU4TPU, decoded by SO8OO in southeastern Poland. 76 related FT8 messages, 3 CQ messages, observed on 60m, 40m, 20m, across 7 UTC dates. Heard between 2026-05-23 and 2026-08-20.
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 IU4TPU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU4TPU
Approximate centre of JN54, decoded 2026-08-20 15:46 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 | IU4TPU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 15:47 | 20m | -20 / -18 | DG1KFR | -3 / -16 | 6 | ✓ Full exchange observed |
| 08-20 15:34 | 20m | - / -14 | RU6UR | -8 / - | 4 | Partial capture |
| 08-20 15:28 | 20m | -13 / - | DJ0MAB | -11 / -4 | 2 | Partial capture |
| 08-16 16:19 | 20m | - / - | DB1EF | -17 / - | 3 | Partial capture |
| 08-16 16:13 | 20m | - / - | UA3VVA | -13 / - | 6 | Partial capture |
| 08-16 16:13 | 20m | - / -9 | EB3JT | -7 / - | 3 | ✓ Closing fragment |
| 08-14 20:51 | 60m | - / - | DD6ZV | -5 / - | 7 | Partial capture |
| 08-14 20:41 | 40m | - / - | UA4FKT | -10 / - | 3 | Partial capture |
| 08-14 20:40 | 40m | - / -8 | DK4CH | -15 / - | 2 | Partial capture |
| 08-14 20:35 | 20m | - / -12 | DK4RH | -20 / - | 2 | ✓ Closing fragment |
| 08-08 17:01 | 40m | - / -17 | DL6ZXG | -6 / - | 2 | ✓ Closing fragment |
| 06-07 17:27 | 20m | - / -15 | DL3RAJ | +3 / - | 12 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 153000 -13 2008 DJ0MAB IU4TPU -04 153115 -7 1695 IU4TPU IS0KNG RR73 153445 -6 1882 IU4TPU RU6UR R-14 (x4) 154600 -12 258 CQ IU4TPU JN54 154715 -5 2427 IU4TPU DG1KFR JO33 154730 -20 258 DG1KFR IU4TPU -16 154745 +3 2427 IU4TPU DG1KFR JO33 (x4) 165300 -12 267 IU4TPU EA5IHI RR73 165530 -11 2078 IU4TPU PI4TX JO22
UTC dB Audio Message 205115 -5 1763 IU4TPU DD6ZV JO62 (x7)
UTC dB Audio Message 170130 -6 2618 IU4TPU DL6ZXG -17 (x2) 204045 -18 1862 IU4TPU DK4CH JN59 204115 -6 3002 IU4TPU F6BHK JN24 204115 -12 1862 IU4TPU DK4CH R-08 204145 -10 1861 IU4TPU UA4FKT LO23 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.