K4CBW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM05

Receiver-side FT8 activity involving K4CBW, decoded by SO8OO in southeastern Poland. 28 related FT8 messages, observed on 80m, 40m, 20m, across 4 UTC dates. Heard between 2026-06-01 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

28
Related messages
0
CQ messages
4
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 40m
First seen: 2026-06-01
Last seen: 2026-08-24 02:40 UTC

Frequent QSO partners observed at SO8OO

Stations K4CBW worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by K4CBW

Approximate centre of FM05, decoded 2026-06-04 02:20 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 UTCBandK4CBW S/NCounterpartCounterpart S/NMsgsCapture
08-24 04:31 20m - / -16 8Z1IT -14 / - 12 Partial capture
08-24 04:22 20m -12 / - UT2PC - / -17 4 ✓ Closing fragment
06-05 00:51 20m -4 / - OJ0Z - / - 2 Partial capture
06-04 02:29 40m -23 / -6 EA1CQ -6 / - 5 ✓ Closing observed
06-04 02:20 40m -16 / - CP7DX - / -12 3 Partial capture
06-04 02:09 20m -14 / -14 HZ1TT +10 / - 4 ✓ Closing observed
06-02 03:41 20m - / - 4X1FK -3 / - 6 Partial capture
06-02 01:28 80m -12 / - TJ1GD -16 / -19 3 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
042345 -10  640  UT2PC K4CBW R-17 (x2)
042800 -10  640  K4CBW RA3RGQ LO02
043100 -16 2422  K4CBW 8Z1IT -16 (x12)
40m 
UTC    dB Audio  Message
022015 -17 2429  CP7DX K4CBW FM05 (x3)
022245 -16 2429  CX2SA K4CBW RRR
022930  -3 2426  K4CBW EA1CQ IN83 (x3)
023115 -23 1890  EA1CQ K4CBW RRR
023130 -10 2108  K4CBW EA1CQ 73
80m 
UTC    dB Audio  Message
012530 -19 1017  TJ1GD K4CBW FM05 (x2)
012815 -16 2506  K4CBW TJ1GD RR73
012830 -11 1017  TJ1GD K4CBW 73

Decoder S/N history by band

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