S54ZO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN76

Receiver-side FT8 activity involving S54ZO, decoded by SO8OO in southeastern Poland. 110 related FT8 messages, 60 CQ messages, observed on 40m, 20m, across 6 UTC dates. Heard between 2026-06-03 and 2026-08-17.

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

110
Related messages
60
CQ messages
6
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-06-03
Last seen: 2026-08-17 07:16 UTC

Activity Heatmap

Locator transmitted by S54ZO

Approximate centre of JN76, decoded 2026-08-17 09:12 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 UTCBandS54ZO S/NCounterpartCounterpart S/NMsgsCapture
08-17 09:15 20m - / - EW8DU -8 / - 2 Partial capture
08-17 09:13 20m - / - M7NFV -7 / - 5 Partial capture
08-17 09:12 20m - / - EW8DU -9 / - 2 Partial capture
08-17 09:11 20m -9 / -19 PC2J -6 / -16 6 ✓ Full exchange observed
08-17 09:10 20m - / - R1BEO -12 / - 2 Partial capture
08-17 09:10 20m -6 / -4 MM0KQC -23 / -15 3 ✓ Full exchange observed
08-17 09:05 20m -9 / - F5OYA/P - / -15 2 Partial capture
08-17 09:03 20m -6 / - DL1UDO -18 / -9 3 ✓ Closing observed
08-17 09:03 20m - / - F1IQH -14 / - 2 Partial capture
08-17 09:03 20m - / - PC2J 0 / - 6 Partial capture
08-17 09:03 20m - / - PD9FLX -1 / - 2 Partial capture
08-07 05:03 40m -8 / +3 DM2BM -9 / -1 5 ✓ Full exchange observed
08-07 05:01 40m -10 / -13 IZ4AIF -15 / 0 5 ✓ Full exchange observed
08-07 04:59 40m -10 / - EA2DYB - / +4 2 ✓ Closing fragment
08-07 04:56 40m -11 / - DL6LG - / -19 3 ✓ Closing fragment
08-07 04:55 40m -12 / - IW2DNI - / -3 2 ✓ Closing fragment
07-28 04:51 40m -16 / - DL6LG - / -16 2 Partial capture
07-28 04:49 40m -15 / - RN6MA - / -17 2 Partial capture
07-28 04:48 40m -15 / - S51WB - / -17 2 ✓ Closing fragment
07-28 04:46 40m -4 / - SP5DUJ - / -8 2 ✓ Closing fragment
07-28 04:40 40m -6 / - OH3EVO - / -7 2 ✓ Closing fragment
07-28 04:38 40m -3 / - EA7AH - / -18 2 ✓ Closing fragment
07-28 04:35 40m -6 / - DL2AOM - / -11 2 ✓ Closing fragment
07-28 04:35 40m -8 / -16 LY1SR -14 / -5 4 ✓ Full exchange observed
06-04 05:19 40m +5 / - PC1K -18 / - 2 ✓ Closing observed
06-04 05:14 40m +6 / - OO7J -4 / -4 4 ✓ Closing observed
06-04 05:11 40m +7 / - EA5PS - / -1 3 ✓ Closing fragment
06-03 05:26 40m +6 / - SN3KO - / -9 2 ✓ Closing fragment
06-03 05:18 40m +10 / - F4LNM - / +4 2 ✓ Closing fragment
06-03 05:15 40m +4 / -7 DJ2PW +3 / +7 5 ✓ Full exchange observed
06-03 05:12 40m +12 / +7 G0BLB -8 / +1 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

20m
UTC    dB Audio  Message
091215 -12  977  S54ZO R1BEO KP50
091230  -2 2529  S54ZO PC2J 73
091245 -10  523  CQ S54ZO JN76
091245  -9  968  S54ZO EW8DU KO52 (x2)
091315  -7 2529  S54ZO PC2J JO22
091330  -7  523  S54ZO M7NFV JO02 (x2)
091415 -15 2529  S54ZO PC2J JO22
091430  -6  523  S54ZO M7NFV JO02
091430  -2 2772  S54ZO F5PEG JN28
091500 -11  522  S54ZO M7NFV JO02 (x2)
091545  -7  522  S54ZO EW8DU R+20 (x2)
40m
UTC    dB Audio  Message
050130 -14 2254  S54ZO IZ4AIF R-13
050145 -12 2253  IZ4AIF S54ZO RR73
050200 -15 2254  S54ZO IZ4AIF 73
050245 -12 2253  SP0DF S54ZO -01
050315 -11 2253  CQ S54ZO JN76
050330  -8 2253  S54ZO DM2BM JO54
050345 -12 2253  DM2BM S54ZO -01
050400  -9 2253  S54ZO DM2BM R+03
050415  -5 2253  DM2BM S54ZO RR73
050430  -9 2253  S54ZO DM2BM 73
050445  -8 2252  CQ S54ZO JN76
050545  -8 2252  ON4KDT S54ZO -12
050645  -8 2252  CQ S54ZO JN76 (x3)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.