IU4BJC — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU4BJC, decoded by SO8OO in southeastern Poland. 520 related FT8 messages, observed on 160m, 80m, 40m, 20m, 10m, across 52 UTC dates. Heard between 2026-05-28 and 2026-08-24.
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 IU4BJC worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU4BJC
Approximate centre of JN54, decoded 2026-08-24 12:49 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 | IU4BJC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 12:41 | 20m | +2 / - | <...> | - / - | 17 | Partial capture |
| 08-24 12:40 | 20m | - / +1 | PA0ARR | -17 / - | 2 | Partial capture |
| 08-24 12:36 | 20m | 0 / -9 | IR7MGGC | +4 / -12 | 6 | Partial capture |
| 08-24 12:32 | 20m | -1 / - | IK1MJK/P | - / - | 9 | Partial capture |
| 08-24 09:24 | 20m | -6 / - | <...> | - / -24 | 25 | Partial capture |
| 08-24 05:46 | 20m | +10 / - | VK5LD | - / - | 17 | Partial capture |
| 08-24 05:06 | 20m | +7 / - | ZL1SXG | - / - | 17 | Partial capture |
| 08-24 04:45 | 40m | +5 / - | II7MGBT | - / - | 9 | Partial capture |
| 08-23 19:10 | 80m | - / -3 | DK7ZT | +6 / - | 2 | Partial capture |
| 08-23 10:10 | 40m | -20 / - | <...> | - / - | 3 | Partial capture |
| 08-23 05:59 | 20m | - / -5 | UA4FEN | +13 / - | 3 | Partial capture |
| 08-23 05:12 | 40m | +2 / - | <...> | - / - | 23 | Partial capture |
| 08-23 05:01 | 40m | - / -15 | II7MGBT | -2 / - | 2 | Partial capture |
| 08-23 05:00 | 40m | +3 / - | <...> | - / - | 2 | Partial capture |
| 08-22 21:17 | 20m | -7 / - | EC4TR/P | - / -3 | 5 | Partial capture |
| 08-22 21:01 | 20m | +12 / - | VK1MDJ | - / - | 3 | Partial capture |
| 08-22 20:59 | 20m | - / - | EB3JT | +7 / - | 7 | Partial capture |
| 08-22 20:58 | 20m | +2 / - | KF4CCG | -7 / -9 | 5 | ✓ Closing observed |
| 08-22 11:14 | 20m | -7 / - | R8QA/M | - / - | 4 | Partial capture |
| 08-22 09:48 | 40m | -5 / - | EC5M | - / - | 2 | ✓ Closing fragment |
| 08-22 09:44 | 40m | -12 / - | II1LH | - / -6 | 3 | ✓ Closing fragment |
| 08-21 21:50 | 40m | -17 / - | <...> | - / - | 2 | Partial capture |
| 08-21 20:55 | 20m | 0 / +6 | F4MUD | -15 / - | 2 | ✓ Closing observed |
| 08-21 20:52 | 20m | +12 / - | BI1AFK | - / -3 | 3 | ✓ Closing fragment |
| 08-21 20:48 | 20m | +8 / - | VK4FFF | - / -6 | 5 | ✓ Closing fragment |
| 08-21 20:21 | 20m | +4 / - | DL1YAW/P | - / -19 | 19 | Partial capture |
| 08-21 07:51 | 20m | +11 / - | VK4FFF | - / - | 17 | Partial capture |
| 08-21 07:48 | 20m | - / - | LZ4VR | -10 / - | 2 | ✓ Closing fragment |
| 08-21 07:43 | 20m | +1 / - | MM0VIK | - / -7 | 10 | ✓ Closing fragment |
| 08-21 05:35 | 20m | - / - | EA1IOK | -1 / - | 2 | Partial capture |
| 08-21 05:32 | 20m | +10 / - | VK3IRD | - / -19 | 4 | ✓ Closing fragment |
| 08-21 05:23 | 20m | +12 / -2 | RO6G | -14 / +7 | 3 | ✓ Full exchange observed |
| 08-21 05:18 | 20m | +5 / - | VK2GQR | -21 / -14 | 12 | ✓ Closing observed |
| 08-20 07:28 | 20m | +12 / - | OE7MAH | - / -11 | 2 | ✓ Closing fragment |
| 08-20 07:23 | 20m | +12 / - | VK4BPK | - / -24 | 6 | ✓ Closing fragment |
| 08-20 07:20 | 20m | - / - | 9A4ZM | +11 / - | 3 | Partial capture |
| 08-20 07:19 | 20m | 0 / - | 4O4DB | -4 / -3 | 5 | ✓ Full exchange observed |
| 08-20 06:02 | 20m | +6 / - | VK2TDS | - / -10 | 3 | ✓ Closing fragment |
| 08-20 05:50 | 20m | +11 / - | VK4KTW | - / -12 | 4 | Partial capture |
| 08-20 05:46 | 20m | +3 / - | AA8TT | - / -12 | 3 | ✓ Closing fragment |
| 08-20 05:40 | 20m | +6 / - | VK4KTW | - / - | 9 | Partial capture |
| 08-20 05:35 | 20m | +6 / - | VK4KTW | - / - | 5 | Partial capture |
| 08-20 05:31 | 20m | +3 / - | ZL1RPC/P | - / -9 | 6 | ✓ Closing fragment |
| 08-20 05:18 | 20m | +6 / - | VK2SI | - / - | 2 | Partial capture |
| 08-19 17:12 | 20m | -11 / - | Z21ML | - / - | 13 | Partial capture |
| 08-17 20:28 | 20m | -16 / - | WP4NVX | - / -15 | 2 | ✓ Closing fragment |
| 08-16 21:52 | 20m | -5 / - | W4AWJ | - / -6 | 14 | Partial capture |
| 08-16 21:48 | 20m | -12 / - | N4LR | - / -2 | 5 | ✓ Closing fragment |
| 08-16 21:38 | 20m | -4 / - | KL7DUG | - / -24 | 5 | ✓ Closing fragment |
| 08-16 21:35 | 20m | -2 / - | KL2T | - / -14 | 5 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 124245 -4 1780 <...> IU4BJC JN54 (x15)
UTC dB Audio Message 052330 +2 1040 <...> IU4BJC JN54 (x6) 044515 +5 995 <II7MGBT> IU4BJC JN54 (x9)
UTC dB Audio Message 214930 -10 2206 LU5CQC IU4BJC JN54 (x4) 030245 -4 1245 VP2MAA IU4BJC JN54 (x5) 030730 -15 967 IU4BJC VP2MAA -08 030745 -1 1245 VP2MAA IU4BJC R-12 030800 -17 2504 IU4BJC OE3IBB JN88 030815 -2 1245 VP2MAA IU4BJC 73 191000 +8 1219 IU4BJC DK7ZT -03 (x2)
UTC dB Audio Message 145815 -13 1493 S79VU IU4BJC JN54 (x3) 150045 -17 1492 GB2WWA IU4BJC R+22 (x2) 150245 -5 1409 OM8LM IU4BJC -13 (x2) 150630 -21 1409 TM8WWA IU4BJC JN54 (x2) 151045 -21 1402 CS2WWA IU4BJC 73 204945 -5 1929 <...> IU4BJC JN54 205215 -15 2217 HI8UD IU4BJC R+16 205615 -14 2217 LU6HWT IU4BJC JN54 (x3)
UTC dB Audio Message 213545 +3 1196 OJ0Z IU4BJC R+08 213600 +9 1315 IU4BJC OJ0Z RR73 213615 +5 1196 OJ0Z IU4BJC 73 213700 -1 2150 IU4BJC OH5KNL KP30 (x2) 213745 +6 1196 OH5KNL IU4BJC -03 213800 -4 2150 IU4BJC OH5KNL R-06 213815 +3 1196 OH5KNL IU4BJC RR73 213830 +0 2149 IU4BJC OH5KNL 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.