KB4DFK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KB4DFK, decoded by SO8OO in southeastern Poland. 372 related FT8 messages, 36 CQ messages, observed on 40m, across 20 UTC dates. Heard between 2026-06-07 and 2026-08-20.

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

372
Related messages
36
CQ messages
20
UTC dates heard
-6 dB
Mean decoder S/N

Bands

40m
First seen: 2026-06-07
Last seen: 2026-08-20 23:50 UTC

Activity Heatmap

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 UTCBandKB4DFK S/NCounterpartCounterpart S/NMsgsCapture
08-21 01:49 40m - / -7 OK1WCF +4 / - 2 ✓ Closing fragment
08-21 01:42 40m - / - CT2GQA -8 / - 2 Partial capture
08-21 01:38 40m - / - RK4FAJ +5 / - 5 Partial capture
08-21 01:37 40m - / - F5MJN +1 / - 5 Partial capture
08-21 01:31 40m -16 / -7 F5NBU +7 / - 4 ✓ Closing observed
08-21 01:28 40m - / - SP7NC -7 / - 5 Partial capture
08-21 01:25 40m - / - F5NBU +4 / - 2 Partial capture
08-21 01:24 40m - / -11 OK1AMF -2 / - 2 Partial capture
08-21 01:21 40m - / - F1IQH -9 / - 3 Partial capture
08-21 01:20 40m - / -11 EC3A -3 / - 3 Partial capture
08-21 01:20 40m - / -16 JY4CH -16 / - 2 Partial capture
08-20 00:12 40m -15 / - TN8GD - / - 4 Partial capture
08-20 00:02 40m -16 / - TJ1GD - / - 4 Partial capture
08-20 00:00 40m -13 / - OH1ZE - / - 2 Partial capture
08-19 23:56 40m - / - RA3RDN +8 / - 2 Partial capture
08-19 23:55 40m - / -7 ON1JP -13 / - 3 Partial capture
08-19 23:54 40m - / - EB3JT -6 / - 2 Partial capture
08-19 23:53 40m - / - PA1AA 0 / - 2 Partial capture
08-19 23:52 40m - / - F1IQH -4 / - 2 Partial capture
08-19 23:51 40m - / - PD1AC +3 / - 7 Partial capture
08-19 23:51 40m - / - KD1J -12 / - 2 ✓ Closing fragment
08-19 23:42 40m - / - IK4LZH +13 / - 4 Partial capture
08-19 23:41 40m - / - RA3ZDU +8 / - 2 Partial capture
08-19 00:00 40m - / - F6BHK -11 / - 4 Partial capture
08-18 23:47 40m - / - OO0O -9 / - 7 Partial capture
08-18 23:38 40m - / - F5NBU +2 / - 4 Partial capture
08-08 00:34 40m - / - PD0IFI -2 / - 2 Partial capture
08-07 00:28 40m - / - IK4LZH -8 / - 3 Partial capture
08-07 00:25 40m - / -14 R2EA -9 / - 2 Partial capture
08-04 00:33 40m - / - EB3JT -10 / - 2 Partial capture
08-04 00:28 40m - / - EB3JT -16 / - 3 Partial capture
08-04 00:22 40m - / - F1IQH -12 / - 2 Partial capture
08-04 00:22 40m - / - ON7KEI -18 / - 2 Partial capture
07-30 00:07 40m - / - OO0O -10 / - 2 Partial capture
07-30 00:02 40m - / -18 RN3GB +2 / - 5 ✓ Closing fragment
07-29 23:53 40m - / - LY1VR -4 / - 2 Partial capture
07-29 23:50 40m - / - DA1DH -19 / - 6 Partial capture
07-29 23:50 40m - / - IU3ODX -9 / - 8 Partial capture
07-29 23:44 40m - / -16 M0MLS -18 / - 6 ✓ Closing fragment
07-13 00:31 40m - / - F4BYA +2 / - 3 Partial capture
07-13 00:26 40m - / - PD1BER -18 / - 4 Partial capture
07-13 00:20 40m - / - F4BYA -1 / - 3 Partial capture
07-13 00:20 40m - / - PD1BER -19 / - 2 Partial capture
07-13 00:14 40m - / - DL3MIB -14 / - 6 Partial capture
07-13 00:13 40m - / - F4BYA +1 / - 3 Partial capture
07-13 00:06 40m - / - IU0NAD -18 / - 2 Partial capture
07-12 23:54 40m - / - F4BYA -4 / - 2 Partial capture
07-12 23:53 40m - / - F1IQH -14 / - 2 Partial capture
06-26 23:29 40m - / - IZ0GRR -11 / - 2 Partial capture
06-25 00:44 40m - / - SQ9CXH -6 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
013745  +1  435  KB4DFK F5MJN JN09
013815  +4  995  KB4DFK PA1PXL JO21
013815  +0  435  KB4DFK F5MJN JN09
013845  +5  995  KB4DFK RK4FAJ LO23
013845  +3  435  KB4DFK F5MJN JN09 (x2)
013945  +7  995  KB4DFK RK4FAJ LO23 (x4)
014230  -5  994  KB4DFK CT2GQA IM58
014330  -1  994  KB4DFK UA3GDJ KO92
014400 -10  994  KB4DFK CT2GQA IM58
014945  +6  993  KB4DFK OK1WCF -07 (x2)

Decoder S/N history by band

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