ON4CBK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4CBK, decoded by SO8OO in southeastern Poland. 243 related FT8 messages, 36 CQ messages, observed on 40m, 20m, 10m, across 43 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations ON4CBK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by ON4CBK
Approximate centre of JO11, decoded 2026-08-23 07:24 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 | ON4CBK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 00:09 | 20m | - / - | SV5BYP | -4 / - | 4 | Partial capture |
| 08-23 07:24 | 20m | +2 / - | UD8S | - / -1 | 2 | Partial capture |
| 08-23 07:23 | 20m | - / - | EA1IOK | -13 / - | 3 | Partial capture |
| 08-23 07:22 | 20m | 0 / - | UB8CPH | -8 / 0 | 4 | ✓ Closing observed |
| 08-23 07:20 | 20m | +4 / - | VK1OO | - / - | 2 | Partial capture |
| 08-23 07:15 | 20m | -11 / - | WH6EY | - / -5 | 5 | ✓ Closing fragment |
| 08-22 19:00 | 20m | - / - | R2AL | -12 / - | 2 | Partial capture |
| 08-22 06:45 | 20m | -16 / - | RI1FJL | - / - | 4 | Partial capture |
| 08-21 21:29 | 20m | -2 / - | PY4STO | - / - | 2 | Partial capture |
| 08-21 21:26 | 20m | -6 / - | ZV8R | - / -5 | 4 | ✓ Closing fragment |
| 08-21 18:02 | 20m | -15 / 0 | RA9J | +6 / - | 5 | ✓ Full exchange observed |
| 08-21 18:01 | 20m | -15 / - | BA3NZ | - / - | 3 | Partial capture |
| 08-21 17:59 | 20m | -14 / - | BH5HIE | - / - | 2 | Partial capture |
| 08-21 17:57 | 20m | -12 / - | BI1HJR | - / -7 | 4 | ✓ Closing fragment |
| 08-21 17:56 | 20m | -12 / - | BG7BMG | - / 0 | 3 | ✓ Closing fragment |
| 08-21 17:54 | 20m | +2 / - | YC9GBQ | - / - | 3 | Partial capture |
| 08-21 17:50 | 20m | -1 / - | YC9GBQ | - / - | 3 | Partial capture |
| 08-21 17:49 | 20m | -2 / - | TA2EE | - / - | 2 | Partial capture |
| 08-21 17:47 | 20m | -6 / - | ZS5HR | - / -12 | 3 | ✓ Closing fragment |
| 08-21 17:44 | 20m | -4 / - | C91RU | - / -14 | 2 | ✓ Closing fragment |
| 08-21 17:42 | 20m | -11 / - | BI6AN | -15 / -2 | 4 | ✓ Closing observed |
| 08-21 17:02 | 20m | -4 / -8 | YE3FAX | -10 / 0 | 5 | ✓ Full exchange observed |
| 08-21 16:59 | 20m | -2 / - | YB3FTD | - / - | 2 | Partial capture |
| 08-21 16:58 | 20m | -1 / - | EX8ABQ | - / -8 | 3 | ✓ Closing fragment |
| 08-21 16:56 | 20m | -8 / - | BG7BVI | - / -4 | 3 | ✓ Closing fragment |
| 08-21 16:54 | 20m | -11 / - | BH6IDD | - / - | 2 | Partial capture |
| 08-21 14:45 | 20m | - / - | EA3IDY | 0 / - | 2 | Partial capture |
| 08-21 14:37 | 20m | -4 / - | JE1LET | -21 / -3 | 4 | ✓ Closing observed |
| 08-21 14:35 | 20m | -4 / - | JA1IST | - / - | 2 | Partial capture |
| 08-21 06:49 | 20m | +2 / - | DL75WAU | - / - | 2 | Partial capture |
| 08-21 06:43 | 20m | 0 / - | <...> | - / - | 8 | Partial capture |
| 08-20 07:06 | 10m | -15 / - | EY35S | - / - | 4 | Partial capture |
| 08-20 06:35 | 20m | +4 / - | VK3SC | - / - | 2 | Partial capture |
| 08-18 11:27 | 20m | -15 / - | <...> | - / - | 4 | Partial capture |
| 08-17 17:47 | 20m | +4 / - | TA3NK | - / - | 3 | Partial capture |
| 08-17 17:46 | 20m | +6 / - | TA2TDW | - / - | 2 | Partial capture |
| 08-17 17:43 | 20m | -7 / - | RD0L | - / - | 3 | Partial capture |
| 08-17 06:28 | 20m | -8 / - | R8AFR | - / -8 | 5 | ✓ Closing fragment |
| 08-16 16:10 | 20m | -6 / - | <...> | - / - | 3 | Partial capture |
| 08-16 15:48 | 20m | +1 / - | <...> | - / -2 | 12 | Partial capture |
| 08-16 15:44 | 20m | -9 / - | EY7BP | - / - | 4 | Partial capture |
| 08-16 15:37 | 20m | -6 / - | <...> | - / - | 2 | Partial capture |
| 08-16 07:09 | 20m | -8 / - | TA3NK | - / - | 2 | Partial capture |
| 08-16 07:07 | 20m | -18 / - | EA6AQG | - / - | 2 | Partial capture |
| 08-16 07:01 | 20m | -17 / - | TA3ZGR | - / -8 | 2 | ✓ Closing fragment |
| 08-15 19:35 | 20m | +14 / - | 4X1UF | - / - | 2 | Partial capture |
| 08-15 19:34 | 20m | +10 / - | 9J2FI | - / - | 2 | Partial capture |
| 08-15 19:32 | 20m | +4 / - | <...> | - / - | 2 | Partial capture |
| 08-14 20:05 | 20m | -7 / - | <...> | - / -13 | 7 | Partial capture |
| 08-14 16:04 | 20m | -14 / - | <...> | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 072200 +0 2191 UB8CPH ON4CBK JO11 (x2) 072245 -8 3088 ON4CBK UB8CPH RR73 072300 -2 2191 UB8CPH ON4CBK 73 072315 -11 575 ON4CBK EA1IOK IN62 (x3) 072430 +3 2191 UD8S ON4CBK JO11 (x2) 233730 -20 1095 ON4CBK KF9JF -01 234645 -12 1778 ON4CBK VE3NVK 73 000945 +0 1661 ON4CBK SV5BYP KM46 (x4)
UTC dB Audio Message 132415 -11 2832 ON4CBK 9J2FI -07 132430 -16 2074 9J2FI ON4CBK R-05 132445 -10 2832 ON4CBK 9J2FI RR73 133100 -11 2074 YD1FRU ON4CBK JO11 (x5) 133230 -14 2490 ON4CBK 7Z1DZ RR73 142315 -12 1264 IS0JRL ON4CBK R+09 (x2) 070615 -12 1119 EY35S ON4CBK (x4)
UTC dB Audio Message 003915 -11 1920 W1EQ ON4CBK JO11 (x2) 004000 -22 1712 ON4CBK W1EQ R FN41 004030 -16 2365 ON4CBK R6FX LN14 004030 -20 1712 ON4CBK W1EQ 73 004030 -13 2029 ON4CBK IZ8PPI -03 004100 -14 2364 ON4CBK R6FX LN14 004100 -13 2029 ON4CBK IZ8PPI -03 004130 -21 2365 ON4CBK R6FX LN14 004130 -20 2029 ON4CBK IZ8PPI -03
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.