YU1JB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN05

Receiver-side FT8 activity involving YU1JB, decoded by SO8OO in southeastern Poland. 474 related FT8 messages, 32 CQ messages, observed on 20m, 10m, across 44 UTC dates. Heard between 2026-05-21 and 2026-08-19.

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

474
Related messages
32
CQ messages
44
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-21
Last seen: 2026-08-19 12:50 UTC

Activity Heatmap

Locator transmitted by YU1JB

Approximate centre of KN05, decoded 2026-08-16 16:12 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 UTCBandYU1JB S/NCounterpartCounterpart S/NMsgsCapture
08-19 14:14 10m - / +5 HB3YOY -20 / - 2 ✓ Closing fragment
08-19 13:26 10m - / - S59MA -6 / - 6 ✓ Closing fragment
08-19 13:21 10m - / -7 IW1PRT -14 / - 4 Partial capture
08-17 18:35 10m - / -13 R6YBU -16 / - 2 Partial capture
08-16 17:43 20m - / -4 7X3WPL -11 / - 2 ✓ Closing fragment
08-16 16:13 20m - / - TA3NK -12 / - 2 Partial capture
08-16 15:51 20m -14 / - AI0Y - / -13 2 Partial capture
08-16 11:16 10m - / -14 PD2V -3 / - 2 ✓ Closing fragment
08-15 12:37 20m - / - PD9FLX -18 / - 3 Partial capture
08-12 18:05 20m - / - OO0O -12 / - 2 Partial capture
08-12 13:54 20m - / -13 DK3HV -15 / - 3 ✓ Closing fragment
08-12 13:47 20m -18 / - AP2TN - / -18 2 Partial capture
08-10 12:59 10m - / - R6LE -18 / - 2 ✓ Closing fragment
08-09 17:28 20m - / +4 UT4QM -18 / - 3 ✓ Closing fragment
08-09 17:15 20m - / +1 DL5EBS +6 / - 5 ✓ Closing fragment
08-06 18:39 20m - / - RZ4FWA -9 / - 3 Partial capture
08-06 12:31 20m - / - G0TAA -18 / - 2 Partial capture
08-06 12:31 20m - / - OK2CNI 0 / - 2 Partial capture
08-05 14:08 20m - / - F6ARS -1 / - 3 ✓ Closing fragment
08-05 14:07 20m - / - RZ4FWA -12 / - 4 Partial capture
08-05 14:03 20m - / - F1PPH -21 / - 2 ✓ Closing fragment
08-05 14:03 20m - / 0 M0EGG -17 / - 3 Partial capture
08-05 13:51 20m - / - M7NXS -9 / - 3 Partial capture
08-02 11:24 20m - / +2 F5PEG -3 / - 2 ✓ Closing fragment
08-02 11:21 20m - / -16 M0PFX -14 / - 2 ✓ Closing fragment
08-02 11:21 20m - / -19 UA6AOP -11 / - 4 ✓ Closing fragment
08-02 11:19 20m - / - R6LPF -14 / - 2 ✓ Closing fragment
08-02 11:08 20m - / - RA6OY +3 / - 5 ✓ Closing fragment
08-02 10:49 10m - / +1 EA8UP -18 / - 2 ✓ Closing fragment
07-23 15:21 10m - / -1 RN6MA -16 / - 3 Partial capture
07-22 13:58 20m - / -17 UG4Y -12 / - 3 ✓ Closing fragment
07-22 13:26 20m - / +3 EB4SM -2 / - 5 ✓ Closing fragment
07-21 17:43 20m -17 / - CN2DX -16 / -10 2 Partial capture
07-21 17:37 20m -13 / - TJ1GD/P - / -13 2 Partial capture
07-21 16:18 20m - / -11 SM7XON -16 / - 3 ✓ Closing fragment
07-21 16:11 20m - / -15 RC5F -12 / - 3 ✓ Closing fragment
07-18 18:01 20m -14 / - PD3FR - / 0 2 Partial capture
07-18 17:58 20m -8 / -5 M7JVT -4 / -13 5 ✓ Full exchange observed
07-18 17:53 20m -9 / - M7TUP -10 / -11 6 ✓ Full exchange observed
07-18 17:53 20m -10 / -8 EU4U -2 / -11 5 ✓ Full exchange observed
07-18 17:53 20m -7 / -7 IK2YYO -12 / -7 3 Partial capture
07-18 17:33 20m -10 / - XV9T - / -15 2 ✓ Closing fragment
07-18 17:31 20m -11 / - GW1OZW - / -12 3 ✓ Closing fragment
07-18 17:27 20m -11 / - SP8OC - / -5 2 ✓ Closing fragment
07-18 17:26 20m -10 / - G8GRG - / -7 2 ✓ Closing fragment
07-18 17:24 20m -16 / -5 A71QQ -5 / -12 3 ✓ Full exchange observed
07-18 17:23 20m -18 / - EW1P - / -8 2 Partial capture
07-18 17:18 20m -14 / - EA8AT - / -13 6 Partial capture
07-18 17:11 20m -16 / - HG3FMZ -5 / -3 5 Partial capture
07-18 17:10 20m -14 / - HB9EKJ - / -13 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
132230 -10 1484  YU1JB IW1PRT JN44 (x2)
132600 -12 1975  YU1JB S59MA JN76 (x6)
134900 -23 2167  YU1JB EA2ELH 73
135200 -19 2100  YU1JB HB9CIC JN47
140030 -21 2112  YU1JB DO2ANW R-15
141400 -22 1612  YU1JB HB3YOY R+05 (x2)
142700 -22 1972  YU1JB DO1FZL 73
145000 -24 1972  YU1JB DD3DJ R-02
20m
UTC    dB Audio  Message
123700 -14 1579  YU1JB PD9FLX JO22 (x3)
202945 -19 1864  YU1JB M7EOI +14
154915 -15 1243  CQ DX YU1JB KN05
155145 -14 1242  AI0Y YU1JB -13 (x2)
161145 -21 1243  SP9D YU1JB RR73
161215  -6 1242  CQ DX YU1JB KN05 (x2)
161300 -11 1243  YU1JB TA3NK KM39
161315 -15 1242  VU3OIP YU1JB -14
161430 -14 1243  YU1JB TA3NK KM39
174330 -13 1143  YU1JB 7X3WPL R-04 (x2)

Decoder S/N history by band

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