YU1BV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN04

Receiver-side FT8 activity involving YU1BV, decoded by SO8OO in southeastern Poland. 710 related FT8 messages, 109 CQ messages, observed on 80m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

710
Related messages
109
CQ messages
42
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-24
Last seen: 2026-08-22 06:44 UTC

Frequent QSO partners observed at SO8OO

Stations YU1BV worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by YU1BV

Approximate centre of KN04, decoded 2026-07-25 17:30 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 UTCBandYU1BV S/NCounterpartCounterpart S/NMsgsCapture
08-22 08:42 10m - / - HB9CCM -8 / - 5 Partial capture
08-22 08:36 10m - / - PB5DX -12 / - 2 ✓ Closing fragment
08-22 07:27 10m - / - LB2WD -20 / - 2 Partial capture
08-22 07:19 10m - / +5 F1PBZ -2 / - 4 ✓ Closing fragment
08-11 18:18 20m - / -16 TT1GD -7 / - 2 ✓ Closing fragment
08-02 07:03 10m - / -20 UR5HAN -7 / - 2 ✓ Closing fragment
07-31 08:55 10m - / 0 IU0VOG -11 / - 2 Partial capture
07-28 15:11 20m - / -4 F4JZW -9 / - 2 ✓ Closing fragment
07-25 17:29 40m -1 / - SV4OZF - / -4 2 ✓ Closing fragment
07-25 17:27 40m 0 / - F6FHZ - / -16 2 ✓ Closing fragment
07-25 17:25 40m -4 / - UN8DSW - / -7 3 ✓ Closing fragment
07-25 17:24 40m 0 / - G8VJU - / -12 2 ✓ Closing fragment
07-25 17:21 40m -3 / - RA5CW -19 / -3 3 ✓ Closing observed
07-25 17:21 40m -2 / - IK2ZJR -7 / -6 5 ✓ Closing observed
07-25 17:19 40m -4 / - RA6YDX -16 / -1 3 ✓ Closing observed
07-25 17:17 40m -3 / - SA5K - / - 5 Partial capture
07-25 17:03 20m -13 / - S21VHF - / - 2 Partial capture
07-25 15:53 20m - / +1 FK8GU -2 / - 2 ✓ Closing fragment
07-25 14:25 20m - / -17 RO3ZR -6 / - 3 ✓ Closing fragment
07-25 14:15 20m - / +4 CN2DX -4 / - 2 ✓ Closing fragment
07-25 14:05 40m -4 / - SQ9BDB - / -12 2 ✓ Closing fragment
07-25 14:02 40m -3 / - SA6ABU - / - 4 Partial capture
07-25 14:01 40m -2 / - S56TNT - / - 2 Partial capture
07-25 13:58 40m -3 / - OZ1SMB - / - 3 ✓ Closing fragment
07-25 04:54 10m - / -9 M9NEV -16 / - 2 ✓ Closing fragment
07-24 13:30 10m - / - DO2SEB -4 / - 2 ✓ Closing fragment
07-24 13:28 10m - / 0 PD9FLX -6 / - 3 ✓ Closing fragment
07-24 13:25 10m - / - OZ1LDO -13 / - 3 Partial capture
07-24 13:24 10m - / -6 DO7DK -9 / - 4 Partial capture
07-24 13:17 10m - / +9 DH7MG -16 / - 3 ✓ Closing fragment
07-24 07:37 10m - / -9 RT3K -18 / - 3 ✓ Closing fragment
07-23 15:08 10m - / -5 UA3ZQN +5 / - 3 ✓ Closing fragment
07-23 15:00 10m - / - UB1AXF -19 / - 2 Partial capture
07-23 05:38 10m - / -2 RA3QPY -4 / - 2 ✓ Closing fragment
07-22 07:59 10m - / -5 DL8WEM +3 / - 2 Partial capture
07-21 07:41 10m - / - DL8NW -8 / - 2 ✓ Closing fragment
07-20 06:49 10m - / -7 RU3GF -17 / - 2 ✓ Closing fragment
07-20 06:46 10m - / -5 PD2V -8 / - 2 Partial capture
07-19 10:12 10m - / -23 DD8DR/P -15 / - 2 ✓ Closing fragment
07-19 06:53 10m - / -20 IK8PLJ -11 / - 3 ✓ Closing fragment
07-18 09:09 10m - / +7 PF1B -12 / - 2 Partial capture
07-17 09:36 10m - / +5 F4FED -12 / - 3 ✓ Closing fragment
07-14 12:59 20m - / -6 HB0RER -10 / - 2 ✓ Closing fragment
07-14 12:35 20m - / - DF7EE -14 / - 3 ✓ Closing fragment
07-14 12:33 20m -4 / - MW7RHR - / -7 2 ✓ Closing fragment
07-14 12:26 20m -3 / - SP1ZMO - / -8 3 ✓ Closing fragment
07-14 12:21 20m +1 / - DL1R +2 / -3 10 Partial capture
07-14 12:18 20m -2 / - 4S7AB - / - 2 Partial capture
07-14 12:15 20m -5 / - UK8CFT - / -9 4 ✓ Closing fragment
07-13 07:34 10m - / - R2PX -17 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
070400  -9  955  YU1BV UR5HAN RR73
071930  -7 2684  YU1BV F1PBZ +05 (x4)
072700 -18 1339  YU1BV LB2WD JO48 (x2)
083645 -13 1963  YU1BV PB5DX +27 (x2)
084230  -3 1151  YU1BV HB9CCM JN47 (x3)
084330 -11 1824  YU1BV OE9MDI 73
084400 -10 1148  YU1BV HB9CCM JN47 (x2)
20m 
UTC    dB Audio  Message
141530  -6 1779  YU1BV CN2DX +04 (x2)
142545  -6  599  YU1BV RO3ZR KO80 (x3)
142845  +4 2943  YU1BV IK1BQD JN35
155345  +0 2944  YU1BV FK8GU R+01 (x2)
170330 -13 2589  S21VHF YU1BV KN04 (x2)
151100  -9 2478  YU1BV F4JZW R-04 (x2)
181830  -7  518  YU1BV TT1GD -16 (x2)
191100 -11 1931  YU1BV LX1RFJ -11
40m 
UTC    dB Audio  Message
172330  +0 2724  IK2ZJR YU1BV RR73
172345  -6 2723  YU1BV IK2ZJR 73
172400  +1 2724  G8VJU YU1BV -12 (x2)
172530  -3 2723  UN8DSW YU1BV KN04 (x3)
172700  -6 2724  SA5K YU1BV KN04
172730  +0 2724  F6FHZ YU1BV -16 (x2)
172830  -2 2724  CQ YU1BV KN04
172900  +0 2724  SV4OZF YU1BV R-04 (x2)
173030  +1 2724  CQ YU1BV KN04
173115 -16  776  YU1BV OK2UPG JN99
80m 
UTC    dB Audio  Message
013900 +14 2545  CQ YU1BV KN04 (x2)
014115  +9 2758  PP1WW YU1BV KN04 (x5)
014345 +17 2758  KL0S YU1BV KN04 (x3)
013230 +17 2699  N9ZL YU1BV KN04 (x2)
013315 -10  358  YU1BV N9ZL RR73
013330 +16 2700  N9ZL YU1BV 73
013530 +11 2699  EA5HM YU1BV -14

Decoder S/N history by band

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