S57CXK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving S57CXK, decoded by SO8OO in southeastern Poland. 98 related FT8 messages, 12 CQ messages, observed on 40m, 20m, 10m, across 8 UTC dates. Heard between 2026-06-15 and 2026-07-15.
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 S57CXK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by S57CXK
Approximate centre of JN76, decoded 2026-06-17 10:43 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 | S57CXK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-15 07:55 | 20m | - / - | DL3MIB | -2 / - | 7 | Partial capture |
| 07-15 07:54 | 20m | - / -18 | TA3ZGR | -11 / - | 2 | Partial capture |
| 07-15 07:49 | 10m | - / -5 | RA6ATZ | -7 / - | 3 | ✓ Closing fragment |
| 07-09 13:17 | 20m | - / -13 | ON5ZZ | +5 / - | 3 | ✓ Closing fragment |
| 06-29 08:30 | 20m | -22 / - | II8WWA | - / -5 | 2 | Partial capture |
| 06-27 16:36 | 20m | -8 / -7 | SV7BAY | -6 / -4 | 6 | ✓ Full exchange observed |
| 06-27 16:31 | 20m | -18 / - | UA6F | - / - | 7 | Partial capture |
| 06-27 16:23 | 20m | -7 / - | UN0GY | - / -18 | 5 | ✓ Closing fragment |
| 06-27 16:22 | 20m | -14 / - | SA7CHI | - / -3 | 2 | ✓ Closing fragment |
| 06-27 16:17 | 20m | - / - | EA3HKA | -15 / - | 2 | ✓ Closing fragment |
| 06-23 17:43 | 20m | - / -3 | EA2BHE | -13 / - | 3 | Partial capture |
| 06-23 11:02 | 20m | - / -1 | EC3A | -18 / - | 2 | Partial capture |
| 06-23 10:30 | 20m | - / - | IQ4JO | +6 / - | 2 | Partial capture |
| 06-23 10:30 | 20m | - / - | LZ3CB | +6 / - | 4 | ✓ Closing fragment |
| 06-23 10:27 | 20m | - / - | DH1HF | -23 / - | 3 | Partial capture |
| 06-23 10:22 | 20m | - / - | F1PSX | -13 / - | 2 | Partial capture |
| 06-23 10:22 | 20m | - / - | F5IXN | -8 / - | 4 | Partial capture |
| 06-17 10:38 | 40m | - / -8 | S57BTI | 0 / - | 2 | Partial capture |
| 06-17 10:35 | 40m | - / - | DF1KG | -17 / - | 3 | ✓ Closing fragment |
| 06-17 10:31 | 40m | -10 / - | DJ1TU | -22 / - | 4 | ✓ Closing observed |
| 06-16 08:22 | 40m | - / - | DL6UM | -7 / - | 2 | Partial capture |
| 06-16 08:19 | 20m | -10 / - | F5PBG | - / +4 | 2 | ✓ Closing fragment |
| 06-16 08:16 | 20m | - / -3 | F5HNQ | -5 / - | 3 | Partial capture |
| 06-16 08:16 | 20m | - / - | RK4H | -2 / - | 2 | Partial capture |
| 06-16 08:14 | 40m | -13 / - | GJ0KYZ | - / - | 2 | Partial capture |
| 06-16 08:07 | 40m | -13 / - | IK4LZH | - / - | 2 | Partial capture |
| 06-16 08:06 | 40m | -12 / 0 | DA1ST | -9 / - | 5 | ✓ Full exchange observed |
| 06-16 08:06 | 40m | -14 / - | UT4PA | 0 / -3 | 3 | Partial capture |
| 06-16 08:01 | 40m | -12 / - | GJ0KYZ | - / -4 | 2 | ✓ Closing fragment |
| 06-16 07:59 | 40m | - / -10 | HF7X | -9 / - | 2 | Partial capture |
| 06-16 07:58 | 40m | -13 / - | F4MVU | - / +10 | 2 | ✓ Closing fragment |
| 06-15 12:54 | 40m | - / - | HA5UDS | -10 / - | 7 | Partial capture |
| 06-15 12:49 | 40m | - / -18 | UX7QV | -7 / - | 3 | ✓ Closing fragment |
| 06-15 08:49 | 40m | -18 / - | DH3KR | - / +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 163800 -8 882 SV7BAY S57CXK 73 083045 -24 1462 II8WWA S57CXK R-05 (x2) 131715 +3 639 S57CXK ON5ZZ -13 (x3) 075400 -11 382 S57CXK TA3ZGR -18 (x2) 075530 -4 1108 S57CXK DL3MIB JN57 (x7)
UTC dB Audio Message 074945 -3 878 S57CXK RA6ATZ -05 (x3)
UTC dB Audio Message 103100 -10 419 CQ S57CXK JN76 103145 -21 1832 S57CXK DJ1TU JN48 (x2) 103230 -10 420 DJ1TU S57CXK +14 103315 -22 1833 S57CXK DJ1TU 73 103545 -15 1892 S57CXK DF1KG JO32 (x3) 103815 +2 2771 S57CXK S57BTI JN75 (x2) 104100 -12 420 CQ S57CXK JN76 a1 (x4) 104930 -19 2260 DL1VST S57CXK -04
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.