IU8TSR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU8TSR, decoded by SO8OO in southeastern Poland. 51 related FT8 messages, observed on 40m, across 9 UTC dates. Heard between 2026-05-31 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 IU8TSR worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU8TSR
Approximate centre of JN70, decoded 2026-08-20 19:31 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 | IU8TSR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 19:30 | 40m | +8 / - | JH2VVH | - / - | 2 | Partial capture |
| 08-20 19:28 | 40m | +1 / +1 | 9A7BB | -3 / -5 | 5 | ✓ Full exchange observed |
| 08-08 19:11 | 40m | -14 / -10 | RK3QA | -14 / -1 | 3 | ✓ Full exchange observed |
| 08-06 19:33 | 40m | -10 / - | <...> | - / +2 | 2 | Partial capture |
| 08-06 19:31 | 40m | -12 / - | EC1COU | - / -3 | 2 | ✓ Closing fragment |
| 08-06 19:21 | 40m | -8 / - | RA3ZH | - / - | 2 | Partial capture |
| 08-06 19:16 | 40m | - / - | R1CF | -6 / - | 2 | ✓ Closing fragment |
| 08-06 19:11 | 40m | -8 / - | R1CF | - / - | 2 | Partial capture |
| 08-06 19:07 | 40m | -7 / - | RA4FUT | - / - | 2 | Partial capture |
| 08-06 19:05 | 40m | -8 / - | YL2NX | - / -11 | 2 | ✓ Closing fragment |
| 08-06 19:04 | 40m | -10 / - | OH6NEQ | - / - | 2 | Partial capture |
| 07-22 20:34 | 40m | -12 / - | PY7BC | - / -14 | 2 | ✓ Closing fragment |
| 07-22 20:32 | 40m | -7 / -1 | PD1ACS | -17 / -17 | 4 | ✓ Full exchange observed |
| 07-22 20:23 | 40m | -4 / - | A61DD | - / -14 | 2 | Partial capture |
| 07-22 20:20 | 40m | -6 / - | UF1A | - / +1 | 3 | ✓ Closing fragment |
| 07-19 19:21 | 40m | -16 / - | SQ8LE | -9 / - | 3 | ✓ Closing observed |
| 07-19 19:18 | 40m | -17 / - | JA0RUG | - / -10 | 4 | Partial capture |
| 07-19 19:13 | 40m | -16 / - | UN8PC | - / -1 | 4 | ✓ Closing fragment |
| 07-19 19:09 | 40m | -17 / - | IZ8PPI | - / - | 2 | ✓ Closing fragment |
| 07-19 19:06 | 40m | -16 / - | 8Q7PR | - / -15 | 4 | ✓ Closing fragment |
| 07-17 19:46 | 40m | -19 / - | <...> | - / - | 2 | Partial capture |
| 07-17 19:44 | 40m | - / -1 | G8OO | -14 / - | 2 | ✓ Closing fragment |
| 07-17 19:39 | 40m | -15 / +2 | OK1DLA | +1 / - | 5 | ✓ Closing observed |
| 07-17 19:33 | 40m | -16 / - | JA0JWQ | - / - | 2 | Partial capture |
| 07-17 19:18 | 40m | -16 / -3 | DD125RFD | -7 / +10 | 2 | Partial capture |
| 06-14 18:37 | 40m | -8 / - | DD7EE | -11 / -3 | 4 | ✓ Closing observed |
| 06-08 19:36 | 40m | -1 / - | 9H5DX | -10 / +6 | 5 | ✓ Closing observed |
| 06-08 19:35 | 40m | -1 / -8 | S52UF | -8 / -10 | 3 | ✓ Full exchange observed |
| 05-31 19:13 | 40m | - / - | DL7ACA | +8 / - | 3 | Partial capture |
| 05-31 19:11 | 40m | +5 / - | IV3IEA | - / +4 | 2 | Partial capture |
| 05-31 19:03 | 40m | +6 / - | IZ8PPI | - / - | 3 | Partial capture |
| 05-31 18:58 | 40m | +6 / -6 | IU8RFW | -1 / -9 | 5 | ✓ Full exchange observed |
| 05-31 18:57 | 40m | +5 / -3 | R95WTA | -7 / -10 | 9 | ✓ Full exchange observed |
| 05-31 18:55 | 40m | - / -8 | RY7F | +1 / - | 2 | ✓ Closing fragment |
| 05-31 18:53 | 40m | - / -14 | RN3ZKT | -8 / - | 2 | ✓ Closing fragment |
| 05-31 18:21 | 40m | -3 / - | 7Z1CE | - / - | 2 | Partial capture |
| 05-31 18:20 | 40m | -3 / +6 | 4O5JD | +4 / -1 | 4 | ✓ Full exchange observed |
| 05-31 18:18 | 40m | - / +9 | IQ0RU | -14 / - | 2 | ✓ Closing fragment |
| 05-31 18:13 | 40m | -10 / -6 | RA6FRI | -11 / - | 3 | ✓ Closing observed |
| 05-31 18:08 | 40m | -6 / - | YB9HIU | - / - | 4 | Partial capture |
| 05-31 18:02 | 40m | -6 / - | UN8DSW | - / -5 | 3 | ✓ Closing fragment |
| 05-31 18:01 | 40m | -4 / -1 | F5RRS | -2 / +1 | 6 | ✓ Full exchange observed |
| 05-31 17:59 | 40m | -8 / - | <...> | - / +3 | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 193100 -14 995 EC1COU IU8TSR R-03 (x2) 193345 -10 544 <...> IU8TSR JN70 (x2) 191130 -14 808 JE1QKC IU8TSR JN70 191145 -16 1538 IU8TSR RK3QA -10 191200 -14 807 RK3QA IU8TSR R-01 191215 -12 1538 IU8TSR RK3QA RR73 192845 -1 808 9A7BB IU8TSR JN70 192900 -4 2246 IU8TSR 9A7BB +01 192915 +0 808 9A7BB IU8TSR R-05 192930 -2 2246 IU8TSR 9A7BB RR73 192945 +3 808 9A7BB IU8TSR 73 193045 +5 808 JH2VVH IU8TSR JN70 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.