S57MK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving S57MK, decoded by SO8OO in southeastern Poland. 27 related FT8 messages, 2 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 8 UTC dates. Heard between 2026-06-08 and 2026-08-21.
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 S57MK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by S57MK
Approximate centre of JN75, decoded 2026-08-16 16:18 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 | S57MK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 16:44 | 20m | - / - | F1PPH | -20 / - | 5 | Partial capture |
| 08-16 16:13 | 80m | -23 / -4 | F5RRS | -9 / - | 4 | ✓ Closing observed |
| 07-26 10:00 | 10m | - / -10 | F1PBZ | -8 / - | 2 | ✓ Closing fragment |
| 07-23 04:13 | 40m | - / - | YO6GLT | -10 / - | 3 | ✓ Closing fragment |
| 07-21 18:42 | 40m | - / -22 | UA4FKT | -6 / - | 3 | ✓ Closing fragment |
| 07-21 12:45 | 20m | - / - | DL1UDO | -13 / - | 2 | Partial capture |
| 07-21 12:43 | 20m | -23 / - | F1PBZ | -6 / - | 2 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 124345 -6 2875 S57MK F1PBZ RR73 124400 -23 1920 F1PBZ S57MK 73 124545 -10 2248 S57MK DL1UDO JO31 (x2) 124700 -24 1922 F4HSB S57MK RR73 125200 -22 1924 3B9FR S57MK JN75 164430 -24 1374 S57MK F1PPH JN07 (x5)
UTC dB Audio Message 154100 -24 1866 S57MK ON5JDB JO11 100045 -6 2642 S57MK F1PBZ -10 (x2) 075600 -19 1566 S57MK UR4LL 73
UTC dB Audio Message 161300 -11 622 S57MK F5RRS -04 (x3) 161415 -23 1318 F5RRS S57MK 73 161730 -19 1318 CQ S57MK JN75 (x2)
UTC dB Audio Message 193600 +1 532 S57MK TM69TFR +01
UTC dB Audio Message 174430 -11 2109 S57MK PE1NPS R-12 174530 -18 1062 S57MK <...> -07 184245 -9 2066 S57MK UA4FKT LO23 (x3) 185415 -3 2068 S57MK SP9UPH 73 041300 -8 1021 S57MK YO6GLT KN36 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.