R1CBK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R1CBK, decoded by SO8OO in southeastern Poland. 595 related FT8 messages, 39 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-04-24 and 2026-07-10.
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 R1CBK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R1CBK
Approximate centre of KO59, decoded 2026-07-10 23:21 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 | R1CBK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-10 23:37 | 40m | - / -11 | IN3IZQ | -22 / - | 2 | ✓ Closing fragment |
| 07-10 23:18 | 40m | -12 / -7 | DC2SF | -8 / -15 | 4 | ✓ Full exchange observed |
| 07-10 22:36 | 80m | -3 / -16 | EC3A | -14 / -15 | 4 | Partial capture |
| 07-10 22:36 | 80m | - / - | EB3JT | -16 / - | 3 | Partial capture |
| 07-10 22:34 | 80m | +1 / -9 | SP9MOA | +9 / -14 | 4 | ✓ Full exchange observed |
| 07-10 22:32 | 80m | -1 / -6 | DL4SKH | -4 / -4 | 4 | ✓ Full exchange observed |
| 07-10 22:30 | 80m | -3 / -9 | EA2DYB | +1 / -3 | 5 | ✓ Full exchange observed |
| 07-10 22:25 | 80m | -5 / -6 | <...> | +5 / 0 | 2 | Partial capture |
| 07-10 22:06 | 40m | - / -4 | RA3WY | -14 / - | 3 | ✓ Closing fragment |
| 06-30 19:52 | 80m | -12 / - | R3EDI | +2 / +4 | 4 | ✓ Closing observed |
| 06-30 19:52 | 80m | -16 / -10 | RA6ZA | -9 / -18 | 6 | ✓ Full exchange observed |
| 06-30 19:41 | 80m | -10 / -14 | UA4SJB | -23 / -14 | 3 | ✓ Full exchange observed |
| 06-30 19:38 | 80m | -8 / -3 | RA2FU | +1 / -4 | 9 | ✓ Full exchange observed |
| 06-30 19:38 | 80m | -10 / -16 | RK6OV | -11 / -18 | 7 | ✓ Full exchange observed |
| 06-30 19:35 | 80m | -10 / -10 | RV3V | +10 / +1 | 4 | ✓ Full exchange observed |
| 06-30 19:34 | 80m | -12 / - | UB3FDA | - / - | 2 | Partial capture |
| 06-30 19:08 | 40m | - / -8 | R5ZQ | -14 / - | 2 | ✓ Closing fragment |
| 06-30 19:05 | 40m | - / -15 | OE8DDX | -10 / - | 3 | Partial capture |
| 06-29 18:38 | 20m | - / -8 | IR0WWA | -13 / - | 3 | ✓ Closing fragment |
| 06-28 16:58 | 10m | - / - | DK7UY | -8 / - | 2 | Partial capture |
| 06-28 16:41 | 10m | - / -15 | <...> | -6 / - | 2 | Partial capture |
| 06-28 16:03 | 10m | - / -2 | RA3PDG | -10 / - | 2 | ✓ Closing fragment |
| 06-28 16:00 | 10m | -17 / - | RZ3DZ | -24 / +4 | 2 | Partial capture |
| 06-28 15:55 | 10m | -22 / -12 | F5SFT | -19 / -4 | 4 | ✓ Full exchange observed |
| 06-27 20:10 | 40m | - / -2 | RZ3DW | -8 / - | 2 | Partial capture |
| 06-27 19:30 | 40m | - / -15 | SP5ROM | -11 / - | 2 | ✓ Closing fragment |
| 06-27 18:52 | 40m | - / -13 | R2EA/P | -6 / - | 2 | Partial capture |
| 06-27 17:05 | 20m | - / -13 | SV5BYP | -12 / - | 3 | ✓ Closing fragment |
| 06-27 16:54 | 20m | - / -16 | UB6OAJ | -10 / - | 2 | ✓ Closing fragment |
| 06-26 22:06 | 80m | -4 / -7 | R3HH | +3 / -1 | 3 | ✓ Full exchange observed |
| 06-26 21:51 | 80m | -10 / - | LB9ZG | -1 / -7 | 3 | ✓ Closing observed |
| 06-26 21:50 | 80m | -7 / -2 | PI4DX | -2 / -3 | 5 | ✓ Full exchange observed |
| 06-26 21:48 | 80m | - / - | R3HH | -2 / - | 3 | Partial capture |
| 06-26 21:47 | 80m | - / -15 | EC3A | -6 / - | 2 | Partial capture |
| 06-26 21:46 | 80m | -16 / -6 | RA3GZ | +6 / +7 | 4 | ✓ Full exchange observed |
| 06-26 21:37 | 80m | -4 / -12 | DA100LENZ | -4 / -15 | 3 | Partial capture |
| 06-26 21:32 | 80m | -12 / -6 | EW2ZC | +6 / 0 | 4 | ✓ Full exchange observed |
| 06-26 21:30 | 80m | -12 / - | UI5A | - / -5 | 2 | ✓ Closing fragment |
| 06-26 21:28 | 80m | -4 / -19 | II9RICT | +6 / -10 | 3 | Partial capture |
| 06-26 21:20 | 40m | - / -9 | RC6OD | -9 / - | 2 | ✓ Closing fragment |
| 06-26 21:13 | 40m | - / -10 | UB3DRL | -6 / - | 3 | ✓ Closing fragment |
| 06-26 21:06 | 40m | - / -8 | UA4SN | -17 / - | 2 | ✓ Closing fragment |
| 06-26 20:58 | 40m | - / -3 | UA3SNB | -14 / - | 2 | ✓ Closing fragment |
| 06-26 20:50 | 40m | - / 0 | RA3TVW | -10 / - | 2 | ✓ Closing fragment |
| 06-26 20:43 | 40m | - / -1 | SP1EG | -12 / - | 2 | ✓ Closing fragment |
| 06-26 20:23 | 20m | - / -20 | IK2JYT | -10 / - | 2 | Partial capture |
| 06-26 20:06 | 20m | - / -15 | M9KTM | +6 / - | 2 | ✓ Closing fragment |
| 06-26 19:51 | 20m | - / -8 | F1MBL | -17 / - | 7 | ✓ Closing fragment |
| 06-26 19:28 | 20m | - / -1 | DL70ESSEN | -10 / - | 2 | Partial capture |
| 06-19 21:46 | 40m | - / -13 | IU5VLR | -10 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 190800 -14 1595 R1CBK R5ZQ -08 (x2) 192845 -2 2731 R1CBK IQ4JO JN63 220615 -16 1590 R1CBK RA3WY -04 (x3) 231815 -7 674 R1CBK DC2SF JN58 231830 -12 676 DC2SF R1CBK -15 231845 -8 675 R1CBK DC2SF R-07 (x2) 232130 -9 676 CQ R1CBK KO59 232145 -2 2721 R1CBK IQ4JO JN63 232200 -10 675 F1IQH R1CBK -18 233745 -24 1776 R1CBK IN3IZQ -11 (x2)
UTC dB Audio Message 223245 -4 1853 R1CBK DL4SKH 73 223330 -2 1005 CQ R1CBK KO59 (x2) 223415 +4 1004 R1CBK SP9MOA KO00 223430 +1 1004 SP9MOA R1CBK -14 223445 +10 1005 R1CBK SP9MOA R-09 (x2) 223615 -17 1003 R1CBK EB3JT JN01 223645 -15 1126 R1CBK EC3A -16 223645 -14 1003 R1CBK EB3JT JN01 223700 -4 1005 CQ R1CBK KO59 223715 -17 1003 R1CBK EB3JT JN01 223715 -13 1127 R1CBK EC3A -12 223730 -4 1005 EC3A R1CBK R-15 (x2)
UTC dB Audio Message 202330 -11 855 R1CBK IK2JYT -20 (x2) 202615 -13 1211 R1CBK LZ1ZF -16 165445 -9 715 R1CBK UB6OAJ -16 (x2) 170400 -15 862 R1CBK SV2AJX KN10 170430 -7 383 R1CBK OE5FIL JN68 170530 -13 1862 R1CBK SV5BYP KM46 (x3) 183800 -10 1691 R1CBK IR0WWA -08 (x3) 185930 -17 1718 R1CBK CR2WWA -03 210130 -6 506 R1CBK IU4PPL JN54
UTC dB Audio Message 155930 -15 998 CQ R1CBK KO59 160045 -24 1856 R1CBK RZ3DZ KO85 160100 -17 999 RZ3DZ R1CBK +04 160315 -13 1850 R1CBK RA3PDG R-02 (x2) 160430 -15 999 RM5F R1CBK -13 160630 -17 1000 CQ R1CBK KO59 a1 160715 -24 1917 R1CBK R3CE KO85 160930 -16 1000 CQ R1CBK KO59 164100 -10 805 R1CBK RA7T RR73 164130 -5 1879 R1CBK <...> -15 (x2) 165700 -15 1113 R1CBK RA4HG RR73 165800 -7 402 R1CBK DK7UY JO44 (x2)
UTC dB Audio Message 200445 -10 1148 RA1AGX R1CBK +03 200500 +5 796 R1CBK RA1AGX R+00 200515 -7 1148 RA1AGX R1CBK RR73 200530 +7 796 R1CBK RA1AGX 73 200545 -10 1148 CQ R1CBK KO59 (x3) 200800 -4 699 R1CBK RK4F -12 200815 -3 700 RK4F R1CBK R-11 200830 -5 700 R1CBK RK4F RR73 200845 -4 700 RK4F R1CBK 73 201000 -18 1696 R1QAM R1CBK KO59 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.