C31KC — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving C31KC, decoded by SO8OO in southeastern Poland. 3,373 related FT8 messages, 413 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 83 UTC dates. Heard between 2026-05-26 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 C31KC worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by C31KC
Approximate centre of JN02, decoded 2026-08-23 21:34 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 | C31KC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 04:00 | 80m | - / -12 | DO2TM | -22 / - | 2 | Partial capture |
| 08-24 03:58 | 80m | - / +5 | EA5HM | -12 / - | 5 | ✓ Closing fragment |
| 08-24 03:57 | 80m | - / - | OH6FSG | -24 / - | 5 | Partial capture |
| 08-24 03:57 | 80m | - / -5 | SP2DPK | -4 / - | 3 | ✓ Closing fragment |
| 08-24 03:55 | 80m | - / - | OH1ZE | -18 / - | 13 | Partial capture |
| 08-23 20:59 | 20m | - / -16 | BI3BIE | -19 / - | 2 | Partial capture |
| 08-23 20:48 | 20m | -6 / - | BH2WTV | - / -21 | 5 | ✓ Closing fragment |
| 08-23 20:44 | 20m | -6 / - | LW2DAF | - / -26 | 4 | ✓ Closing fragment |
| 08-22 23:36 | 20m | - / - | CT2IGO | -11 / - | 3 | Partial capture |
| 08-22 21:13 | 20m | -3 / - | F4MXU | - / -5 | 4 | ✓ Closing fragment |
| 08-22 21:06 | 20m | -5 / - | CO8LY | - / - | 14 | Partial capture |
| 08-22 20:27 | 20m | -14 / - | IW1ENZ | - / -13 | 5 | ✓ Closing fragment |
| 08-22 20:21 | 20m | -10 / - | LU1FIV | - / - | 3 | ✓ Closing fragment |
| 08-22 20:15 | 20m | -1 / - | HG7WHD | - / -3 | 3 | ✓ Closing fragment |
| 08-22 20:08 | 20m | -1 / - | LY2TS | - / -13 | 10 | Partial capture |
| 08-22 19:35 | 20m | +2 / - | CX6TU | - / - | 4 | Partial capture |
| 08-22 19:26 | 20m | -5 / - | CX6TU | - / - | 8 | Partial capture |
| 08-22 19:24 | 20m | +1 / - | II7MGFG | - / - | 2 | Partial capture |
| 08-22 18:20 | 20m | - / - | BG5GEB | -7 / - | 2 | Partial capture |
| 08-22 18:19 | 20m | -10 / - | VR2VOG | - / - | 4 | Partial capture |
| 08-22 18:16 | 20m | +2 / -24 | YC5NTP | -10 / -17 | 4 | ✓ Full exchange observed |
| 08-22 18:11 | 20m | +7 / - | 9M2HUS | - / - | 9 | Partial capture |
| 08-22 18:06 | 20m | +2 / - | YC1FEY | - / - | 7 | Partial capture |
| 08-22 00:52 | 80m | - / - | SP7JC | +8 / - | 5 | Partial capture |
| 08-22 00:50 | 80m | - / -16 | RA5CM | 0 / - | 4 | ✓ Closing fragment |
| 08-21 22:07 | 20m | - / - | OS8E | -2 / - | 2 | Partial capture |
| 08-21 21:49 | 20m | - / - | OS8E | -6 / - | 2 | Partial capture |
| 08-21 21:37 | 20m | - / - | LX1FDE | -9 / - | 3 | Partial capture |
| 08-21 21:01 | 20m | -7 / - | UR5WCS | - / -8 | 4 | ✓ Closing fragment |
| 08-21 20:54 | 20m | -10 / - | BI4JJO | - / - | 3 | Partial capture |
| 08-21 20:44 | 20m | -8 / - | NF3R | - / - | 2 | Partial capture |
| 08-21 20:24 | 20m | -5 / - | PY2CEC | - / - | 2 | Partial capture |
| 08-21 20:16 | 20m | -5 / - | BG7BVI | - / - | 7 | Partial capture |
| 08-21 17:42 | 20m | -10 / - | BH4ECL | - / - | 5 | Partial capture |
| 08-21 17:30 | 20m | -8 / - | 4S6ARW | - / -20 | 10 | ✓ Closing fragment |
| 08-21 16:38 | 20m | -22 / - | YB7SKM | - / -26 | 4 | Partial capture |
| 08-21 16:36 | 20m | -15 / - | BG7BVI | - / - | 2 | Partial capture |
| 08-21 16:02 | 20m | - / -12 | R6ZA | -12 / - | 3 | Partial capture |
| 08-21 15:05 | 20m | +2 / -16 | BD8CS | 0 / -8 | 9 | ✓ Full exchange observed |
| 08-21 15:03 | 20m | +2 / - | RA9LL | - / - | 3 | Partial capture |
| 08-21 12:21 | 20m | -3 / - | <...> | - / +3 | 6 | Partial capture |
| 08-21 10:52 | 20m | - / - | OE9DBI | -17 / - | 2 | Partial capture |
| 08-21 10:50 | 20m | -21 / - | OJ0YL | - / - | 2 | Partial capture |
| 08-21 02:57 | 80m | - / - | UY0HY | -18 / - | 2 | Partial capture |
| 08-21 02:57 | 80m | - / - | YO9IAB | +4 / - | 2 | Partial capture |
| 08-21 02:54 | 80m | -9 / +3 | HB0WR | +12 / 0 | 6 | ✓ Full exchange observed |
| 08-20 19:26 | 20m | -3 / - | YU4RBL | - / -23 | 4 | Partial capture |
| 08-20 19:23 | 20m | -8 / - | <...> | - / -10 | 2 | Partial capture |
| 08-20 19:18 | 20m | -1 / - | <...> | - / -10 | 5 | Partial capture |
| 08-20 15:24 | 20m | -2 / - | <...> | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 035900 -15 1168 C31KC EA5HM IM99 035930 -20 2613 C31KC OH1ZE KP10 035930 -12 1167 C31KC EA5HM R+05 035930 -24 2049 C31KC OH6FSG KP23 040000 -17 2612 C31KC OH1ZE KP10 040000 -9 1167 C31KC EA5HM 73 040030 -24 2049 C31KC OH6FSG KP23 040030 -20 2613 C31KC OH1ZE KP10 040030 -23 2203 C31KC DO2TM -12 040100 -24 2049 C31KC OH6FSG KP23 040100 -22 2203 C31KC DO2TM -12 040130 -20 2612 C31KC OH1ZE KP10 040130 -24 2049 C31KC OH6FSG KP23 040200 -14 2612 C31KC OH1ZE KP10 (x2)
UTC dB Audio Message 233715 -13 1634 C31KC CT2IGO IN60 090500 -4 1556 YU4OCC C31KC JN02 (x2) 204415 -8 1556 LW2DAF C31KC JN02 (x4) 204845 -2 1556 BH2WTV C31KC JN02 (x5) 205915 -19 872 C31KC BI3BIE OM89 (x2) 213400 -12 1556 EA5ET C31KC JN02
UTC dB Audio Message 010500 -7 1417 HI3QMT C31KC JN02 (x4) 010700 -7 1417 PY2ZS C31KC R-20 010800 -8 1417 PY3WW C31KC -16 (x4) 011045 -16 1038 C31KC PY3WW R-15 011130 -11 1418 EP2AES C31KC JN02 (x5)
UTC dB Audio Message 040000 +8 2329 C31KC SP8AWL KO11 040015 -16 1412 SP8AWL C31KC -08 040030 +7 2329 C31KC SP8AWL R-05 040045 -18 1412 SP8AWL C31KC RR73 040100 +8 2329 C31KC SP8AWL 73 040130 +14 2705 C31KC IU6PPX JN63 040145 -19 1412 CQ C31KC JN02 040200 +18 2705 C31KC IU6PPX JN63 040215 -18 1412 IU6PPX C31KC +02 040230 +14 2705 C31KC IU6PPX R+04 (x2) 040315 -19 1412 IU6PPX C31KC 73 040445 -21 1412 CQ C31KC JN02 040530 -12 1815 C31KC DL1LCK JO54 (x2)
UTC dB Audio Message 133300 -7 1337 C31KC DF7EE JO40 133330 -7 1099 C31KC DF8KI JO30 133330 -8 1473 C31KC DG2SAT 73 133330 -6 1337 C31KC DF7EE JO40 (x2) 133400 -8 1099 C31KC DF8KI JO30 133430 -14 1337 C31KC DF7EE JO40 (x4) 143500 -11 2429 C31KC IK6CGO JN63 (x3) 145930 -13 2642 C31KC HB9FAN JN46 (x2)
UTC dB Audio Message 211800 -19 1466 C31KC IZ8WGR JM88 (x2) 012700 +8 2390 C31KC HB9CXZ -12 012730 -21 1468 C31KC CT2GQA IM58 012730 +7 2389 C31KC HB9CXZ RR73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.