IU0RKJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IU0RKJ, decoded by SO8OO in southeastern Poland. 80 related FT8 messages, 3 CQ messages, observed on 80m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-13 and 2026-08-07.
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 IU0RKJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IU0RKJ
Approximate centre of JN61, decoded 2026-08-14 10:11 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 | IU0RKJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-14 10:10 | 20m | -14 / - | R8ACF | - / - | 2 | Partial capture |
| 08-13 20:30 | 20m | -8 / - | C91RU | - / -24 | 6 | ✓ Closing fragment |
| 08-09 20:35 | 20m | -6 / - | XQ1CY | - / - | 4 | Partial capture |
| 08-09 20:31 | 20m | -12 / - | TT1GD | - / - | 2 | ✓ Closing fragment |
| 08-09 17:17 | 20m | -11 / - | Z62NS | - / - | 4 | Partial capture |
| 08-09 17:06 | 20m | -13 / - | Z62NS | - / - | 3 | Partial capture |
| 08-07 20:23 | 20m | -17 / - | LU1FIV | - / -14 | 3 | ✓ Closing fragment |
| 08-07 20:15 | 20m | -16 / - | <...> | - / -14 | 3 | Partial capture |
| 08-07 20:14 | 20m | -16 / - | OH0ERF | - / -10 | 2 | ✓ Closing fragment |
| 08-07 20:09 | 20m | -18 / - | RZ2A | - / - | 2 | ✓ Closing fragment |
| 08-07 20:07 | 20m | -18 / - | 7M1MCU | - / -14 | 3 | ✓ Closing fragment |
| 08-07 19:16 | 80m | -6 / -16 | EW8AAC | -2 / -21 | 5 | ✓ Full exchange observed |
| 08-07 19:10 | 80m | -6 / -15 | RU4AJ | +2 / -19 | 6 | ✓ Full exchange observed |
| 08-04 21:15 | 80m | -4 / - | TN8GD | - / - | 3 | Partial capture |
| 08-04 21:11 | 80m | -9 / - | TN8GD | - / - | 5 | Partial capture |
| 08-04 20:48 | 80m | -4 / - | TN8GD | - / - | 2 | Partial capture |
| 08-04 20:24 | 80m | -4 / - | UB8A | - / - | 5 | Partial capture |
| 08-04 20:21 | 80m | +1 / -3 | HA7TM | +10 / -2 | 5 | ✓ Full exchange observed |
| 08-04 20:15 | 80m | -3 / -14 | RQ2Q | -4 / - | 3 | ✓ Closing observed |
| 08-03 20:26 | 80m | -6 / - | <...> | - / -14 | 2 | Partial capture |
| 07-22 13:32 | 20m | -13 / - | <...> | - / -9 | 3 | Partial capture |
| 07-22 13:28 | 20m | -10 / - | TF4M | - / -11 | 2 | ✓ Closing fragment |
| 07-22 13:12 | 20m | -9 / - | RV9CT | - / - | 5 | Partial capture |
| 07-22 13:06 | 20m | -18 / - | RM8W | - / -23 | 2 | Partial capture |
| 07-21 19:53 | 20m | -6 / - | TU5MM | - / - | 6 | Partial capture |
| 07-10 12:58 | 20m | -13 / - | 3Z8Y | - / - | 5 | Partial capture |
| 07-10 10:26 | 20m | -10 / - | RI0SP | - / -18 | 4 | ✓ Closing fragment |
| 07-10 10:24 | 20m | -13 / - | R90PNR | - / -8 | 2 | ✓ Closing fragment |
| 07-10 10:04 | 20m | -13 / -7 | <...> | -23 / -15 | 4 | Partial capture |
| 07-10 10:01 | 20m | -9 / - | RU5X | - / - | 3 | Partial capture |
| 07-10 09:59 | 20m | -10 / - | F5LMJ | - / -19 | 2 | ✓ Closing fragment |
| 07-10 09:58 | 20m | -5 / - | DL2FX | -18 / -11 | 3 | ✓ Closing observed |
| 07-10 09:56 | 20m | -12 / -7 | DH1NGL | -16 / -14 | 6 | ✓ Full exchange observed |
| 07-08 19:42 | 20m | -17 / - | 9K2YM | - / - | 8 | Partial capture |
| 07-08 19:36 | 20m | -16 / - | KP4JFR | - / - | 2 | ✓ Closing fragment |
| 07-08 19:33 | 20m | -14 / - | BA5AN | - / -15 | 3 | Partial capture |
| 07-08 19:31 | 20m | -11 / - | RG7A | - / -18 | 2 | Partial capture |
| 07-08 19:22 | 20m | -12 / - | YI1SAL | - / - | 5 | Partial capture |
| 07-08 19:13 | 20m | -3 / - | KF0YOB | - / -10 | 3 | ✓ Closing fragment |
| 07-08 19:11 | 20m | -8 / - | YI1SAL | - / - | 4 | Partial capture |
| 07-05 20:50 | 20m | -14 / - | <...> | - / -23 | 2 | Partial capture |
| 07-05 20:47 | 20m | -6 / - | UB8AHK | - / - | 5 | Partial capture |
| 07-05 20:36 | 20m | -14 / -8 | RW9WC | -11 / -7 | 5 | ✓ Full exchange observed |
| 07-05 20:30 | 20m | -11 / - | CX7AT | - / -16 | 3 | ✓ Closing fragment |
| 07-05 20:26 | 20m | -15 / - | CX7AT | - / - | 4 | Partial capture |
| 06-19 19:52 | 40m | -6 / - | <...> | - / -19 | 3 | Partial capture |
| 06-19 19:34 | 20m | - / -16 | A92AE | -1 / - | 2 | ✓ Closing fragment |
| 06-19 19:29 | 20m | - / -9 | TA2ED | -9 / - | 2 | ✓ Closing fragment |
| 06-13 10:38 | 10m | - / -3 | RZ3Z | +1 / - | 3 | ✓ Closing fragment |
| 06-11 15:01 | 10m | - / -11 | 7Q5MP | -16 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 203245 -11 1732 TT1GD IU0RKJ 73 203430 -15 2100 AI0Y IU0RKJ JN61 203500 -13 2100 XQ1CY IU0RKJ JN61 (x4) 203830 -15 1278 AI0Y IU0RKJ JN61 203045 -7 981 C91RU IU0RKJ JN61 (x6) 101030 -16 1834 R8ACF IU0RKJ JN61 (x2)
UTC dB Audio Message 193730 -8 2106 PE1MXU/P IU0RKJ JN61 (x2) 193900 -13 2105 RA8AF IU0RKJ JN61 (x7) 195245 -7 1241 <...> IU0RKJ JN61 (x3) 190400 -13 1942 IU0RKJ SP1183JO -09 190430 -16 1941 IU0RKJ RR73; IZ8PPI <...> -16 194630 -15 1038 IU0RKJ 8S7DL 73
UTC dB Audio Message 211545 -5 1303 TN8GD IU0RKJ JN61 (x3) 190915 -7 1103 R6OG IU0RKJ JN61 191030 -6 1103 RU4AJ IU0RKJ JN61 (x2) 191115 +2 689 IU0RKJ RU4AJ -15 191130 -4 1103 RU4AJ IU0RKJ R-19 191145 +1 689 IU0RKJ RU4AJ RR73 191200 -5 1103 RU4AJ IU0RKJ 73 191645 -6 1072 EW8AAC IU0RKJ JN61 191700 -3 1222 IU0RKJ EW8AAC -16 191715 -7 659 EW8AAC IU0RKJ R-21 191730 -2 1222 IU0RKJ EW8AAC RR73 191745 -5 659 EW8AAC IU0RKJ 73
UTC dB Audio Message 201015 -16 1579 IU0RKJ PD0LBY JO22 (x5) 201745 +0 692 IU0RKJ SV2CLJ KN10 (x4) 150100 -16 1312 IU0RKJ 7Q5MP -11 (x2) 103815 -2 1249 IU0RKJ RZ3Z -03 (x3) 114645 -8 2541 IU0RKJ UR3QZ -10
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.