IU3UMB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU3UMB, decoded by SO8OO in southeastern Poland. 62 related FT8 messages, 10 CQ messages, observed on 20m, across 4 UTC dates. Heard between 2026-08-20 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 IU3UMB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU3UMB
Approximate centre of JN65, decoded 2026-08-23 09:53 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 | IU3UMB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 09:59 | 20m | - / - | G0LKL | +6 / - | 2 | Partial capture |
| 08-23 09:47 | 20m | - / - | F1PSX | -4 / - | 9 | Partial capture |
| 08-23 09:41 | 20m | - / -13 | EA5D | -20 / - | 2 | Partial capture |
| 08-23 09:30 | 20m | - / - | F4BYA | -6 / - | 2 | Partial capture |
| 08-23 09:29 | 20m | - / - | PD0PWH | -10 / - | 2 | Partial capture |
| 08-23 09:18 | 20m | - / -12 | DG6OAY | -3 / - | 3 | ✓ Closing fragment |
| 08-23 09:15 | 20m | - / - | F4BYA | -1 / - | 4 | Partial capture |
| 08-22 09:37 | 20m | - / -13 | DK7ZT | -10 / - | 3 | Partial capture |
| 08-22 09:30 | 20m | - / -15 | SP8S/P | -10 / - | 3 | Partial capture |
| 08-22 09:11 | 20m | - / -11 | F4GYM/P | +2 / - | 2 | ✓ Closing fragment |
| 08-22 08:55 | 20m | - / +9 | YT2TOR | -12 / - | 2 | Partial capture |
| 08-21 22:19 | 20m | -10 / - | SV5BYP | - / - | 5 | Partial capture |
| 08-21 22:10 | 20m | -10 / - | NU1T | - / - | 4 | Partial capture |
| 08-21 22:02 | 20m | -11 / - | KA1MXL | - / - | 3 | Partial capture |
| 08-21 21:59 | 20m | -16 / - | K0BFG | - / - | 2 | Partial capture |
| 08-21 21:54 | 20m | -10 / - | VA3MBT | - / - | 4 | Partial capture |
| 08-21 21:45 | 20m | -7 / -13 | A71UN | -3 / +1 | 6 | Partial capture |
| 08-20 14:56 | 20m | - / -15 | IU5HIU | -4 / - | 2 | Partial capture |
| 08-20 14:50 | 20m | - / -6 | SP5TBR | -11 / - | 6 | Partial capture |
| 08-20 14:33 | 20m | - / -21 | UT7UJ | +6 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 094230 -18 1934 IU3UMB EA5D R-13 094715 +1 1354 IU3UMB F1PSX JN08 (x9) 095315 -15 1355 CQ IU3UMB JN65 (x2) 095445 -20 1355 F1PPH IU3UMB -05 095930 +6 1717 IU3UMB G0LKL IO92 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.