IU4HRJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU4HRJ, decoded by SO8OO in southeastern Poland. 193 related FT8 messages, 39 CQ messages, observed on 160m, 80m, 40m, 20m, across 9 UTC dates. Heard between 2026-05-15 and 2026-08-11.
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 IU4HRJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU4HRJ
Approximate centre of JN54, decoded 2026-08-11 21:35 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 | IU4HRJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-11 21:36 | 80m | - / - | DA6SHO | -6 / - | 4 | Partial capture |
| 08-11 21:34 | 80m | - / -13 | DL3MIB | -3 / - | 3 | ✓ Closing fragment |
| 08-11 21:33 | 80m | - / - | DA6IT | -10 / - | 2 | Partial capture |
| 08-11 21:32 | 80m | - / - | DL9KM | -10 / - | 7 | Partial capture |
| 08-11 21:32 | 80m | - / -15 | F1PBZ | -3 / - | 3 | Partial capture |
| 08-11 20:17 | 80m | - / - | OK7TB | +15 / - | 8 | Partial capture |
| 08-11 20:15 | 80m | - / -6 | DK1MCS | +1 / - | 10 | Partial capture |
| 08-11 20:13 | 80m | - / - | OK7TB | +16 / - | 3 | Partial capture |
| 08-11 20:12 | 80m | - / - | F1UIJ | 0 / - | 2 | Partial capture |
| 08-11 20:12 | 80m | - / - | DL3MIB | +5 / - | 6 | Partial capture |
| 08-11 20:11 | 80m | -10 / -8 | E70SZ | +15 / +3 | 8 | Partial capture |
| 07-30 20:15 | 20m | -12 / - | MW7AHM | - / -18 | 4 | Partial capture |
| 07-30 20:12 | 20m | -14 / - | EA3CFV | - / 0 | 2 | ✓ Closing fragment |
| 07-30 19:38 | 20m | - / -2 | RN6MA | +8 / - | 2 | ✓ Closing fragment |
| 07-30 14:39 | 20m | - / - | SV2AOB | -14 / - | 2 | Partial capture |
| 07-30 14:38 | 20m | - / -5 | F1PBZ | -13 / - | 3 | Partial capture |
| 07-21 00:23 | 20m | -10 / - | PW8BR | -13 / -2 | 3 | ✓ Closing observed |
| 07-20 23:35 | 20m | -20 / - | XQ3SK | - / -7 | 2 | Partial capture |
| 07-20 13:42 | 20m | - / -6 | GJ0KYZ | -2 / - | 5 | Partial capture |
| 07-20 13:39 | 20m | - / - | F1PPH | -10 / - | 2 | ✓ Closing fragment |
| 07-20 13:36 | 20m | - / -5 | F1PSX | -6 / - | 3 | ✓ Closing fragment |
| 07-20 13:31 | 20m | - / -9 | PD3LKN | -15 / - | 3 | ✓ Closing fragment |
| 07-10 22:03 | 40m | - / -10 | RN6MA | -11 / - | 2 | ✓ Closing fragment |
| 07-10 22:03 | 40m | - / - | F5RRS | -18 / - | 4 | Partial capture |
| 06-01 21:42 | 40m | - / - | SP5LST | 0 / - | 2 | Partial capture |
| 06-01 21:42 | 40m | - / - | IW1FRD | -13 / - | 5 | Partial capture |
| 06-01 21:36 | 40m | - / - | F4MGP | -6 / - | 4 | Partial capture |
| 06-01 21:36 | 40m | - / - | ON4MAP | -8 / - | 2 | Partial capture |
| 06-01 21:33 | 40m | -2 / -9 | F1IQH | -7 / -7 | 5 | ✓ Full exchange observed |
| 06-01 21:33 | 40m | - / -5 | IU8RFW | -4 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 213345 -13 807 IU4HRJ DA6IT JO31 213415 -9 1512 IU4HRJ DL9KM JN68 213415 -3 1034 IU4HRJ DL3MIB JN57 213415 -8 807 IU4HRJ DA6IT JO31 213445 -11 1512 IU4HRJ DL9KM JN68 213445 -2 1034 IU4HRJ DL3MIB R-13 213500 -19 780 CQ IU4HRJ JN54 213515 -5 1034 IU4HRJ DL3MIB 73 213515 -10 1512 IU4HRJ DL9KM JN68 (x2) 213615 -9 651 IU4HRJ DA6SHO JN58 213645 -8 307 IU4HRJ IZ5MMT JN52 213645 +2 651 IU4HRJ DA6SHO JN58 (x3)
UTC dB Audio Message 214330 -15 2459 IU4HRJ IW1FRD JN35 (x2) 220230 -22 1275 CQ IU4HRJ JN54 220315 -19 1865 IU4HRJ F5RRS JN36 (x2) 220345 -13 2068 IU4HRJ RN6MA -10 220415 -17 1865 IU4HRJ F5RRS JN36 220415 -9 2069 IU4HRJ RN6MA RR73 220445 -19 1865 IU4HRJ F5RRS JN36 220530 -23 2068 CQ IU4HRJ JN54 (x2) 220815 -17 1335 IU4HRJ LB2YJ -13 221030 -21 2068 CQ IU4HRJ JN54 a1 064845 -18 2068 IU4HRJ DL8WEM JN48 200145 -6 1012 IU4HRJ SP3IPA JO82
UTC dB Audio Message 201400 -11 2579 CQ IU4HRJ JN54 201415 -19 1536 IU4HRJ JA6TXU PM53 201430 -12 2579 CQ IU4HRJ JN54 201500 -8 2579 MW7AHM IU4HRJ -18 (x4) 201700 -12 2579 CQ IU4HRJ JN54 (x7) 204445 -15 817 IU4HRJ TA2ED RR73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.