YU4OCC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN02

Receiver-side FT8 activity involving YU4OCC, decoded by SO8OO in southeastern Poland. 1,155 related FT8 messages, 150 CQ messages, observed on 40m, 20m, across 39 UTC dates. Heard between 2026-06-21 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

1,155
Related messages
150
CQ messages
39
UTC dates heard
-10 dB
Mean decoder S/N

Bands

First seen: 2026-06-21
Last seen: 2026-08-23 20:10 UTC

Activity Heatmap

Locator transmitted by YU4OCC

Approximate centre of KN02, decoded 2026-08-10 20:55 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 UTCBandYU4OCC S/NCounterpartCounterpart S/NMsgsCapture
08-23 22:08 20m - / -18 BI4IWL +2 / - 4 ✓ Closing fragment
08-23 20:44 20m - / -25 WI1U -9 / - 3 Partial capture
08-23 09:35 20m - / -9 IU8JLX +3 / - 10 ✓ Closing fragment
08-23 09:30 20m - / -13 9A6T +2 / - 2 Partial capture
08-23 09:03 20m - / -9 F5PEG +9 / - 4 Partial capture
08-23 08:57 20m - / -14 F1MXE +10 / - 4 ✓ Closing fragment
08-23 08:57 20m - / - F5PEG +11 / - 8 Partial capture
08-23 08:39 20m - / -10 ON4AOI +17 / - 3 ✓ Closing fragment
08-23 08:29 20m - / - F1IQH -2 / - 4 Partial capture
08-21 20:37 40m - / -25 M0EBM -10 / - 8 Partial capture
08-21 20:36 40m - / - DL6BCL -14 / - 2 Partial capture
08-21 19:13 20m - / -10 OK2CNI +19 / - 3 ✓ Closing fragment
08-21 19:09 20m - / - OE2LEX -11 / - 2 Partial capture
08-20 23:18 20m - / - WI1U -6 / - 3 Partial capture
08-20 23:14 20m - / -13 TJ1GD -9 / - 7 Partial capture
08-20 22:12 20m - / -12 XU7O -13 / - 4 Partial capture
08-20 22:07 20m -17 / - UN0GY - / -10 2 ✓ Closing fragment
08-19 19:30 20m - / -1 F5SJC +4 / - 4 ✓ Closing fragment
08-15 19:57 20m - / -3 F4ACR -3 / - 4 ✓ Closing fragment
08-15 19:53 20m - / -15 PD0RCQ -3 / - 4 ✓ Closing fragment
08-15 19:38 20m - / -19 7Z1BQ -10 / - 11 Partial capture
08-15 19:23 20m - / - PD1HBL -16 / - 4 Partial capture
08-15 14:43 20m - / - OE8PIT -9 / - 3 Partial capture
08-15 14:43 20m - / - IK4LZH -8 / - 2 Partial capture
08-15 14:33 20m - / - F4HSB -12 / - 3 Partial capture
08-14 20:57 20m - / -16 EC3A -4 / - 2 Partial capture
08-14 20:53 20m - / -10 EC3A -4 / - 2 Partial capture
08-14 20:44 20m - / -10 EC3A -6 / - 2 Partial capture
08-11 20:22 20m - / - EA3GXK -8 / - 5 Partial capture
08-11 20:21 20m - / - DL9KM -14 / - 5 Partial capture
08-11 20:20 20m - / - DL6NAC +4 / - 3 Partial capture
08-10 20:51 40m -8 / - SV1DKR - / -12 2 Partial capture
08-10 20:28 20m - / - EA1FUB -12 / - 4 Partial capture
08-09 06:55 40m - / - DH9DR -8 / - 3 Partial capture
08-07 22:01 20m - / -11 7X5CY -2 / - 5 ✓ Closing fragment
08-07 20:59 20m - / -10 HS0ZOY -9 / - 2 ✓ Closing fragment
08-07 20:37 20m - / -14 HS0ZOY -8 / - 2 Partial capture
08-07 20:16 20m - / -18 F1PPH -10 / - 7 Partial capture
08-06 20:40 20m - / - DL1DAF -18 / - 5 Partial capture
08-06 20:31 20m - / - DK0GN -19 / - 2 Partial capture
08-05 20:44 40m - / - OK6JP -15 / - 2 Partial capture
08-05 20:43 40m - / - F6BHK -4 / - 2 Partial capture
08-05 20:42 40m - / - PD0IFI -6 / - 2 Partial capture
08-05 20:41 40m -13 / - US2YW +4 / -20 17 Partial capture
08-05 20:15 40m - / - DK8HC -12 / - 2 Partial capture
08-05 20:14 40m - / - DL7ARV -10 / - 6 Partial capture
08-05 20:11 40m - / -18 F1PBZ -12 / - 2 Partial capture
08-05 20:09 40m - / - PD0IFI -6 / - 2 Partial capture
08-05 20:08 40m - / +3 OE5ROR -7 / - 3 Partial capture
08-05 20:08 40m - / - DL7ARV -8 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
093830  +2 2446  YU4OCC IU8JLX RR73 (x3)
190145  -5  765  YU4OCC DL1FDK JO40
190915 -19 1671  YU4OCC ON1JP -12
202015  -1 2881  YU4OCC IU5HIU JN53
204400 -12 1734  YU4OCC WI1U -25 (x3)
204600  -3  501  YU4OCC DJ5BM JO31
204730  -3  501  YU4OCC ON2CB JO20
220845  +4 2766  YU4OCC BI4IWL -18 (x4)
40m
UTC    dB Audio  Message
205400 -10  280  CQ YU4OCC KN02 (x3)
203600 -12  617  YU4OCC DL6BCL JO33
203600  -9 1533  YU4OCC PD0LBY JO22
203630 -16  617  YU4OCC DL6BCL JO33
203730  -8  618  YU4OCC M0EBM IO92 (x2)
203800  -4 2535  YU4OCC PE1NPS JO22
203900 -13  619  YU4OCC M0EBM R-25 (x6)

Decoder S/N history by band

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