IU0TZZ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU0TZZ, decoded by SO8OO in southeastern Poland. 78 related FT8 messages, 12 CQ messages, observed on 80m, 60m, 40m, 20m, across 13 UTC dates. Heard between 2026-05-27 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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations IU0TZZ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU0TZZ
Approximate centre of JN61, decoded 2026-08-23 21:33 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 | IU0TZZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 21:30 | 60m | -6 / -3 | IW5DNZ | -15 / 0 | 6 | ✓ Full exchange observed |
| 08-23 21:28 | 60m | -6 / -7 | DL3RDO | -15 / -8 | 5 | ✓ Full exchange observed |
| 08-23 21:24 | 60m | -8 / +1 | IZ0MIT | -4 / - | 4 | ✓ Closing observed |
| 08-22 22:23 | 40m | -9 / - | IR7MGGC | - / - | 5 | Partial capture |
| 08-21 20:35 | 80m | -17 / - | II7MGBA | - / - | 2 | Partial capture |
| 08-20 22:32 | 20m | - / -9 | YO4NF | +6 / - | 2 | ✓ Closing fragment |
| 08-20 22:23 | 80m | -4 / 0 | DO5PY | -10 / -9 | 7 | ✓ Full exchange observed |
| 08-20 22:23 | 80m | -6 / -12 | UR1CCT | +18 / +1 | 5 | ✓ Full exchange observed |
| 08-20 22:20 | 40m | - / - | DL1UDO | -2 / - | 3 | Partial capture |
| 08-20 22:15 | 40m | - / -10 | YO6LM | +3 / - | 3 | Partial capture |
| 08-20 22:14 | 40m | - / -11 | DL7ACA | +16 / - | 4 | ✓ Closing fragment |
| 08-20 20:42 | 40m | -6 / - | DL9MY | +4 / -11 | 4 | Partial capture |
| 06-13 21:09 | 80m | -8 / -13 | II3RITN | -6 / -2 | 3 | Partial capture |
| 06-13 20:57 | 60m | -11 / +2 | II3RPAD | -14 / +1 | 4 | Partial capture |
| 06-13 07:43 | 40m | -12 / - | IQ1SM | - / +6 | 3 | ✓ Closing fragment |
| 06-11 22:17 | 40m | -10 / +6 | <...> | -16 / -7 | 4 | Partial capture |
| 06-11 22:11 | 80m | -4 / -5 | II3RPAD | +3 / -1 | 3 | Partial capture |
| 06-10 21:58 | 40m | -14 / - | EA1IOK | - / -19 | 2 | ✓ Closing fragment |
| 06-10 21:56 | 40m | -13 / - | IQ0VT | -4 / -2 | 5 | ✓ Full exchange observed |
| 06-10 21:54 | 40m | -15 / - | IQ7PU | -10 / -1 | 2 | Partial capture |
| 06-08 22:17 | 40m | -10 / +7 | IQ9NI | -6 / -5 | 2 | Partial capture |
| 06-08 21:43 | 80m | -19 / +9 | IQ4FJ | -4 / -2 | 4 | Partial capture |
| 06-02 20:35 | 40m | - / -10 | <...> | -4 / - | 3 | Partial capture |
| 06-02 20:33 | 40m | -1 / -6 | IR0RCAG | -2 / - | 3 | Partial capture |
| 06-02 15:09 | 40m | -8 / - | <...> | - / -15 | 2 | Partial capture |
| 06-01 21:06 | 80m | -6 / - | II0RTER | - / -19 | 2 | Partial capture |
| 06-01 03:14 | 40m | +2 / - | IQ0VT | - / - | 5 | Partial capture |
| 06-01 03:11 | 40m | +7 / -12 | IQ0OS | +6 / -15 | 6 | ✓ Full exchange observed |
| 06-01 03:10 | 40m | +5 / - | IQ0VT | - / - | 2 | Partial capture |
| 06-01 03:07 | 40m | -3 / - | IQ0OS | - / - | 4 | Partial capture |
| 06-01 03:06 | 80m | - / - | SP1MGM | -6 / - | 2 | Partial capture |
| 05-31 19:23 | 80m | -6 / -10 | IN3EYI | -8 / -3 | 4 | ✓ Full exchange observed |
| 05-29 15:56 | 40m | -12 / - | IW0ECV | - / 0 | 2 | ✓ Closing fragment |
| 05-27 20:23 | 40m | -3 / - | DG6JW/T | - / - | 3 | Partial capture |
| 05-27 08:27 | 20m | -12 / - | IQ6CC/7 | - / - | 2 | Partial capture |
| 05-27 08:23 | 20m | -10 / - | IQ6CC/7 | - / - | 2 | Partial capture |
| 05-27 04:38 | 40m | - / - | EB3JT | -17 / - | 4 | Partial capture |
| 05-27 04:36 | 40m | -6 / - | IW0RLC | - / -10 | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 212800 -6 1028 CQ IU0TZZ JN61 (x2) 212845 -20 2034 IU0TZZ DL3RDO JN68 212900 -6 1028 DL3RDO IU0TZZ -08 212915 -13 2033 IU0TZZ DL3RDO R-07 212930 -7 1028 DL3RDO IU0TZZ RR73 212945 -12 2033 IU0TZZ DL3RDO 73 213015 -13 2173 IU0TZZ IW5DNZ JN53 (x2) 213100 -5 1027 IW5DNZ IU0TZZ +00 213115 -14 2173 IU0TZZ IW5DNZ R-03 213130 -6 1028 IW5DNZ IU0TZZ RR73 213145 -17 2173 IU0TZZ IW5DNZ 73 213300 -6 1027 CQ IU0TZZ JN61 (x2)
UTC dB Audio Message 082345 -14 2105 <IQ6CC/7> IU0TZZ JN61 (x2) 082545 -3 2104 <...> IU0TZZ JN61 082745 -13 2104 IQ6CC/7 IU0TZZ JN61 (x2) 094345 -10 2108 CQ IU0TZZ JN61 a1 152115 -8 664 IQ1BK IU0TZZ JN61 214615 -16 1035 IQ2DB IU0TZZ JN61 214715 -12 884 IQ9BF IU0TZZ JN61 223200 +7 637 IU0TZZ YO4NF -09 (x2) 212200 -16 1070 <...> IU0TZZ JN61
UTC dB Audio Message 222400 +15 695 IU0TZZ UR1CCT 73 222415 -5 567 DO5PY IU0TZZ -09 222430 -15 1238 IU0TZZ DO5PY R+00 222445 -4 566 DO5PY IU0TZZ RR73 222500 -10 1237 IU0TZZ DO5PY 73 201245 +5 1284 IU0TZZ II7MGBA +04 201300 -12 1375 <...> IU0TZZ R+04 201500 -8 1375 II7MGBA IU0TZZ JN61 201615 +5 1375 IU0TZZ LY1DY KO14 203530 -16 1375 II7MGBA IU0TZZ JN61 (x2) 182830 -5 1903 IU0TZZ II7MGXX -07 220430 +7 1001 IU0TZZ II7MGML -01 205100 +1 1070 IU0TZZ II7MGBA -02 205115 -14 566 <...> IU0TZZ R+14
UTC dB Audio Message 221500 +4 2866 IU0TZZ YO6LM -10 221500 +16 601 IU0TZZ DL7ACA JO40 (x2) 221600 +0 2866 IU0TZZ YO6LM -12 221600 +17 602 IU0TZZ DL7ACA 73 221630 +5 2866 IU0TZZ YO6LM -12 222030 +0 1842 IU0TZZ DL1UDO JO31 (x2) 222100 +0 601 IU0TZZ F1IQH JN27 222245 -2 1842 IU0TZZ DL1UDO JO31 222345 -8 1032 <IR7MGGC> IU0TZZ JN61 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.