KT3S — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KT3S, decoded by SO8OO in southeastern Poland. 504 related FT8 messages, 35 CQ messages, observed on 40m, 20m, across 45 UTC dates. Heard between 2026-05-25 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.

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

Overview

504
Related messages
35
CQ messages
45
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-23 21:43 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 UTCBandKT3S S/NCounterpartCounterpart S/NMsgsCapture
08-23 23:40 20m - / - DL1R -3 / - 6 Partial capture
08-23 10:17 20m - / -14 OE2LDM 0 / - 3 ✓ Closing fragment
08-23 09:46 20m - / - ON7CP -11 / - 5 Partial capture
08-22 21:19 20m - / -17 M9KTM +8 / - 4 Partial capture
08-22 09:34 20m - / - DF2UA -10 / - 2 Partial capture
08-20 23:46 20m -12 / -16 8Z1IT -9 / -17 5 Partial capture
08-20 23:31 20m -10 / - 8Z1IT - / - 7 Partial capture
08-20 23:23 20m -11 / - XQ1KK - / - 3 Partial capture
08-15 07:20 20m - / - IU6QLJ -2 / - 2 Partial capture
08-12 09:49 20m - / - DL1R -2 / - 7 Partial capture
08-12 09:49 20m - / -17 EC1AP -23 / - 2 ✓ Closing fragment
08-11 22:30 20m - / -13 VO1CH -3 / - 3 Partial capture
08-11 22:24 20m - / -7 IK5FCH -9 / - 2 ✓ Closing fragment
08-11 22:23 20m - / - 9A3K +11 / - 2 Partial capture
08-07 01:19 20m - / - PD0RCQ -12 / - 2 Partial capture
08-05 08:46 20m - / -10 F1PPH -6 / - 3 ✓ Closing fragment
08-04 08:14 20m - / -6 IK3SCB 0 / - 2 ✓ Closing fragment
07-31 05:51 20m - / -17 R2ST -5 / - 3 Partial capture
07-31 05:44 20m - / - OD5KU -6 / - 3 Partial capture
07-31 05:39 20m - / -14 9A5E +2 / - 2 ✓ Closing fragment
07-26 22:30 20m - / 0 IK4LZH -10 / - 2 ✓ Closing fragment
07-12 11:49 20m - / - F4HSB -22 / - 2 Partial capture
07-06 00:10 20m -14 / - A61SD - / - 2 Partial capture
06-25 01:42 20m - / - RT3K +2 / - 4 Partial capture
06-20 10:12 20m - / - ON8BB -14 / - 4 Partial capture
06-20 09:03 20m - / -5 IU1JFI -18 / - 2 Partial capture
06-19 12:47 20m - / - F5PEG -7 / - 2 Partial capture
06-19 12:47 20m - / 0 SA3SHN -17 / - 3 ✓ Closing fragment
06-19 11:49 20m - / - PD9BG -3 / - 2 ✓ Closing fragment
06-19 09:54 20m - / -14 IU1JFI -9 / - 4 Partial capture
06-19 09:46 20m - / -20 MW3FLI -15 / - 5 Partial capture
06-19 09:43 20m - / - DH9DR +1 / - 5 Partial capture
06-19 09:43 20m - / - IU1JFI 0 / - 3 Partial capture
06-19 01:33 20m -7 / - A92AE - / - 3 Partial capture
06-19 01:13 20m - / -6 7Z1MM +1 / - 2 Partial capture
06-19 00:40 20m -9 / - DL3BCU - / -5 5 Partial capture
06-18 10:50 20m - / - PD1DTH -5 / - 3 ✓ Closing fragment
06-18 00:14 20m - / -11 UT5MD +8 / - 3 ✓ Closing fragment
06-17 23:19 20m - / -19 RA6OY +12 / - 2 Partial capture
06-17 23:15 20m - / -11 <...> -2 / - 2 Partial capture
06-17 21:31 20m - / - OZ5RF -6 / - 3 Partial capture
06-17 21:31 20m - / - YT2FA -4 / - 2 Partial capture
06-16 23:06 20m - / -13 F4MOH +7 / - 5 ✓ Closing fragment
06-16 22:48 20m - / +4 M0KSD +16 / - 4 Partial capture
06-15 15:17 20m - / -13 G4UJS +16 / - 2 Partial capture
06-13 07:32 20m - / - OE1AES +2 / - 4 Partial capture
06-13 07:30 20m - / -11 IK4LZH +16 / - 3 Partial capture
06-13 07:29 20m - / - 9A5E -13 / - 3 Partial capture
06-13 07:27 20m - / -18 DL8RBL -9 / - 3 Partial capture
06-13 01:13 20m -12 / - <...> - / - 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
094630 -11  689  KT3S ON7CP JO10 (x2)
094730 -12  953  KT3S F6HST JO11
094800 -13  689  KT3S ON7CP JO10 (x2)
101745  +1  672  KT3S OE2LDM -14 (x3)
112130  -3  690  KT3S PD0MJC R-16
234045  -7 2659  KT3S DL1R JN58 (x6)
40m
UTC    dB Audio  Message
004930 -16 2051  KT3S IZ8DBJ JN70
010530  -6 2438  KT3S IQ4JO JN63

Decoder S/N history by band

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