KD4SN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KD4SN, decoded by SO8OO in southeastern Poland. 142 related FT8 messages, observed on 40m, 20m, across 17 UTC dates. Heard between 2026-05-26 and 2026-08-24.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

142
Related messages
0
CQ messages
17
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-24 03:59 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 UTCBandKD4SN S/NCounterpartCounterpart S/NMsgsCapture
08-24 05:58 40m - / -11 G0OYQ -9 / - 3 Partial capture
08-22 02:36 20m - / - DK5UP -10 / - 6 Partial capture
08-22 02:15 20m - / - F4JCU -2 / - 4 Partial capture
08-22 02:14 20m - / -3 D2IM -22 / - 2 ✓ Closing fragment
08-21 18:44 20m - / -15 DL7GAL 0 / - 3 Partial capture
08-21 18:43 20m - / - DB9LG +3 / - 6 Partial capture
08-20 04:36 20m -18 / - RA9CIN - / -16 3 ✓ Closing fragment
08-20 04:34 20m -20 / - UR5FS - / -14 3 ✓ Closing fragment
08-20 04:33 20m - / - R6TA +6 / - 14 Partial capture
08-20 04:32 20m -18 / - RV3ID - / -16 2 ✓ Closing fragment
08-20 04:28 20m - / - F5RAV -13 / - 2 Partial capture
08-20 04:21 20m - / -10 RU4LM -11 / - 4 ✓ Closing fragment
08-20 04:11 20m - / - UB8CSJ -18 / - 5 Partial capture
08-20 04:02 20m - / - UB8CSJ -19 / - 3 Partial capture
08-20 04:00 20m - / - RD7P +7 / - 3 Partial capture
08-20 03:53 20m - / - R6BY -10 / - 4 Partial capture
08-20 03:52 20m - / -14 RX7T -12 / - 2 ✓ Closing fragment
08-10 20:06 20m - / - SV5BYP -14 / - 3 Partial capture
07-24 00:41 20m - / -15 HZ1LR -11 / - 3 Partial capture
07-18 22:57 20m - / -10 M7SZB -15 / - 2 Partial capture
07-18 22:46 20m - / - SV5BYP -14 / - 2 Partial capture
07-11 02:32 40m - / - F5RRS -6 / - 5 Partial capture
06-29 01:16 20m -20 / -3 RT3K -16 / -11 4 ✓ Full exchange observed
06-29 00:54 20m -20 / - DK5UR - / -6 3 Partial capture
06-23 06:49 20m - / -8 DG4YT -15 / - 6 Partial capture
06-23 06:45 20m - / -8 DG4YT -14 / - 2 Partial capture
06-23 06:35 20m - / -8 DG4YT -14 / - 6 Partial capture
06-23 06:33 20m - / -6 EA1AEC -15 / - 2 Partial capture
06-23 06:22 20m - / - MW0AXD -11 / - 6 Partial capture
06-23 06:19 20m -12 / - EA1AEC -16 / -13 4 Partial capture
06-22 21:56 20m - / -13 F5PBG -12 / - 4 ✓ Closing fragment
06-19 01:17 40m - / -9 DK7ZT -2 / - 4 Partial capture
06-19 01:17 40m - / - F5PBG -11 / - 4 Partial capture
06-19 01:16 40m - / -17 SV9QWC -6 / - 2 ✓ Closing fragment
06-15 07:54 20m - / - M7GFJ -6 / - 4 Partial capture
06-15 07:48 20m - / - OH2FWK -12 / - 3 Partial capture
06-14 01:23 20m -18 / - IU5TSN - / -7 2 ✓ Closing fragment
06-14 01:19 20m -15 / - F1POK - / - 5 Partial capture
06-14 00:42 20m -18 / - F1POK - / - 2 Partial capture
06-14 00:16 20m - / -15 PS8CW -9 / - 2 ✓ Closing fragment
06-02 02:48 40m -23 / -6 9H5DX -5 / - 3 ✓ Closing observed
05-27 01:57 40m - / -17 MM0KQC -10 / - 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
011745 -11 1905  KD4SN DK7ZT -09
011815 -10 1860  KD4SN F5PBG IN78
011815  -3 1905  KD4SN DK7ZT -09
011845 -11 1860  KD4SN F5PBG IN78
011845  +0 1905  KD4SN DK7ZT -09
015730 -17 1577  KD4SN JY4CI RR73
023200  -6 1865  KD4SN F5RRS JN36 (x5)
014230 -20 1278  W5ELD KD4SN 73
055845 -11  606  KD4SN G0OYQ IO93 (x3)
20m
UTC    dB Audio  Message
184530  +0  333  KD4SN DB9LG JO40 (x2)
021400 -20 2134  KD4SN D2IM -03 (x2)
021530  -2 1547  KD4SN F4JCU JN16 (x4)
023215 -12 1415  KD4SN DK5UP JO31 (x7)

Decoder S/N history by band

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