KB9UMT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KB9UMT, decoded by SO8OO in southeastern Poland. 54 related FT8 messages, 1 CQ messages, observed on 20m, across 6 UTC dates. Heard between 2026-05-22 and 2026-07-26.

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

54
Related messages
1
CQ messages
6
UTC dates heard
-9 dB
Mean decoder S/N

Bands

20m
First seen: 2026-05-22
Last seen: 2026-07-26 02:47 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 UTCBandKB9UMT S/NCounterpartCounterpart S/NMsgsCapture
07-26 04:46 20m - / - DL6FR -13 / - 3 Partial capture
07-26 04:43 20m - / -13 EA2XX -12 / - 2 ✓ Closing fragment
07-26 04:42 20m - / -13 HZ1TT -18 / - 2 ✓ Closing fragment
07-26 04:37 20m - / -2 PA1PXL -18 / - 2 Partial capture
07-26 04:30 20m -23 / - PD2ARI - / -18 2 ✓ Closing fragment
07-26 04:16 20m - / -24 RK4H 0 / - 6 ✓ Closing fragment
07-26 04:12 20m -22 / -3 F4MZI -14 / - 2 ✓ Closing observed
07-26 04:02 20m - / - R2DGN -10 / - 2 Partial capture
07-26 03:57 20m - / - RK4H -9 / - 2 Partial capture
06-27 06:17 20m - / -10 PI4DX -7 / - 3 ✓ Closing fragment
06-27 06:09 20m - / - DJ6JZ -2 / - 2 Partial capture
06-27 06:08 20m - / -14 F4LNM -8 / - 3 ✓ Closing fragment
06-13 01:26 20m - / -2 KC1WZN -6 / - 2 ✓ Closing fragment
06-03 04:07 20m - / -13 TY5AD -4 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
041800  +5 1074  KB9UMT RK4H LO53 (x3)
042830 -18 2178  KB9UMT PD0WL JO21
043045 -22 1624  PD2ARI KB9UMT -18 (x2)
043700 -19 1623  KB9UMT PA1PXL JO21 (x2)
044200 -24 1763  KB9UMT HZ1TT R-13 (x2)
044300 -17 1672  KB9UMT EA2XX R-13 (x2)
044600 -15  867  KB9UMT DL6FR JO30 (x3)

Decoder S/N history by band

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