CT3KU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Madeira Islands Locator transmitted in a decoded message: IM12

Receiver-side FT8 activity involving CT3KU, decoded by SO8OO in southeastern Poland. 31 related FT8 messages, observed on 10m, across 4 UTC dates. Heard between 2026-06-03 and 2026-06-08.

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

31
Related messages
0
CQ messages
4
UTC dates heard
-7 dB
Mean decoder S/N

Bands

10m
First seen: 2026-06-03
Last seen: 2026-06-08 11:29 UTC

Activity Heatmap

Locator transmitted by CT3KU

Approximate centre of IM12, decoded 2026-07-03 14:29 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 UTCBandCT3KU S/NCounterpartCounterpart S/NMsgsCapture
07-03 14:27 10m -12 / - YC5OVZ - / - 2 Partial capture
07-03 14:26 10m -12 / - OE4RWD - / +8 2 ✓ Closing fragment
07-03 14:24 10m -8 / - EB5GG - / -5 2 ✓ Closing fragment
07-03 14:21 10m -12 / - UR5TOB - / - 2 ✓ Closing fragment
07-03 14:17 10m -10 / - 8A1WWA - / +2 4 ✓ Closing fragment
07-03 14:11 10m -11 / - YB7IBR - / -6 4 ✓ Closing fragment
07-03 14:07 10m -5 / - F4NDC - / -18 3 ✓ Closing fragment
07-03 14:06 10m -10 / - YB2GRI - / - 2 Partial capture
07-03 13:52 10m -15 / - UY5BF - / - 2 Partial capture
07-03 13:43 10m -15 / - SP6FME - / -14 3 ✓ Closing fragment
07-03 13:41 10m -14 / - EC5M - / - 2 ✓ Closing fragment
07-03 13:37 10m -11 / - SP9JMZ - / -19 3 ✓ Closing fragment
07-03 13:31 10m -12 / - SP4HXV - / -18 2 ✓ Closing fragment
06-09 14:32 10m -7 / - UA6HRB - / -16 7 ✓ Closing fragment
06-09 14:28 10m -6 / - R4FDK - / -21 3 ✓ Closing fragment
06-09 14:25 10m -7 / - DO9BAU - / -13 2 Partial capture
06-09 14:23 10m -6 / - TT1GD - / -19 2 ✓ Closing fragment
06-09 14:22 10m -8 / - YB6ADS - / -7 2 ✓ Closing fragment
06-09 14:19 10m -7 / - OM8GT - / -6 2 Partial capture
06-08 13:29 10m - / -17 PY4ZDC -17 / - 2 ✓ Closing fragment
06-07 10:22 10m -14 / - R95WTA - / - 2 Partial capture
06-07 10:14 10m -12 / - R95WTA - / - 3 Partial capture
06-07 10:08 10m -12 / - HS0ZOY - / -18 4 Partial capture
06-07 10:07 10m -18 / - UA9MA - / - 2 Partial capture
06-07 10:04 10m -8 / - YE3AOV - / -5 2 ✓ Closing fragment
06-05 16:13 10m -14 / - IW9FRA - / -12 2 ✓ Closing fragment
06-05 16:11 10m -10 / - IK0PFJ 0 / +6 3 ✓ Closing observed
06-05 15:56 10m -16 / - M8UAT - / +2 2 ✓ Closing fragment
06-05 15:52 10m -14 / - 5B4AHO - / -18 3 Partial capture
06-05 15:46 10m -15 / - SP5BB - / -8 5 Partial capture
06-05 15:37 10m -16 / - 7Q3CM - / - 2 Partial capture
06-05 15:34 10m -13 / - 7Q3CM - / - 2 Partial capture
06-05 15:29 10m -10 / - EW2ZC - / -1 4 ✓ Closing fragment
06-05 15:26 10m -13 / - A65IV - / +5 3 ✓ Closing fragment
06-05 15:24 10m -14 / -1 A71AH -14 / -11 4 ✓ Full exchange observed
06-04 14:57 10m - / -18 A71AE +4 / - 3 ✓ Closing fragment
06-04 14:36 10m - / +9 7Z1IS +8 / - 2 ✓ Closing fragment
06-04 12:56 10m - / - G8OO -6 / - 8 Partial capture
06-03 21:01 10m - / - IQ8PC -14 / - 3 Partial capture
06-03 20:58 10m - / - IK4LZH +3 / - 4 Partial capture
06-03 20:53 10m - / - IQ8PC -12 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
141300 -11 2365  YB7IBR CT3KU 73
141430 -16 2364  YI3AA CT3KU IM12
141700 -11 2426  8A1WWA CT3KU IM12 (x4)
141930 -11 2396  YC5OVZ CT3KU IM12
142100 -12 2396  UR5TOB CT3KU RR73 (x2)
142400  -8 2396  EB5GG CT3KU -05 (x2)
142600 -14 2395  OE4RWD CT3KU +08 (x2)
142715 -11 2395  YC5OVZ CT3KU IM12 (x2)

Decoder S/N history by band

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