K5CM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM25

Receiver-side FT8 activity involving K5CM, decoded by SO8OO in southeastern Poland. 230 related FT8 messages, 125 CQ messages, observed on 40m, 20m, across 8 UTC dates. Heard between 2026-05-25 and 2026-08-12.

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

230
Related messages
125
CQ messages
8
UTC dates heard
-6 dB
Mean decoder S/N

Bands

20m 40m
First seen: 2026-05-25
Last seen: 2026-08-12 03:33 UTC

Frequent QSO partners observed at SO8OO

Stations K5CM worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by K5CM

Approximate centre of EM25, decoded 2026-06-17 21:34 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 UTCBandK5CM S/NCounterpartCounterpart S/NMsgsCapture
06-28 07:32 20m - / - M7ANY -14 / - 2 Partial capture
06-28 06:52 20m - / - ON7DJ -7 / - 2 Partial capture
06-28 06:45 20m - / - DL1R +4 / - 6 Partial capture
06-28 03:04 40m - / - DL9KM -12 / - 5 Partial capture
06-17 21:31 20m - / - DA5UL -7 / - 3 Partial capture
06-17 21:28 20m - / - ON7DE -8 / - 4 Partial capture
06-17 21:27 20m - / - RA6OY +14 / - 4 Partial capture
05-28 04:38 20m -14 / -5 EA3GGM -6 / -6 5 ✓ Full exchange observed
05-28 04:34 20m - / -5 HB9BEI -10 / - 2 Partial capture
05-28 04:33 20m - / - EA3GGM -9 / - 2 Partial capture
05-28 04:18 20m - / - UF8C -4 / - 2 Partial capture
05-28 04:15 20m - / -6 SV3AUW -12 / - 3 ✓ Closing fragment
05-28 04:01 20m - / -8 EB7CFU -6 / - 4 ✓ Closing fragment
05-28 03:52 20m - / - UF8C -6 / - 3 Partial capture
05-28 03:48 20m -4 / - OE8PIT - / -12 2 ✓ Closing fragment
05-28 03:33 20m -5 / -11 RA6ZS +5 / -11 8 ✓ Full exchange observed
05-28 03:32 20m -6 / - PD9JPV - / -20 4 ✓ Closing fragment
05-28 03:23 20m -1 / - R7KEA - / -10 3 Partial capture
05-28 03:16 20m -4 / - UA3GDJ +7 / -16 12 Partial capture
05-28 03:13 20m -4 / - DG0SML - / -22 2 ✓ Closing fragment
05-28 03:11 20m -4 / - DL4YA - / -15 2 ✓ Closing fragment
05-28 03:08 20m -5 / - F5PRH - / -8 3 ✓ Closing fragment
05-28 03:03 20m -4 / - KC1UVP - / +7 2 ✓ Closing fragment
05-28 03:02 20m -4 / - R6ZAA - / -24 2 ✓ Closing fragment
05-28 03:02 20m - / - UB3GER -2 / - 5 Partial capture
05-28 03:00 20m -4 / - W7QQF - / -2 2 ✓ Closing fragment
05-28 02:53 20m -2 / - KF0TXQ - / -14 2 ✓ Closing fragment
05-28 02:50 20m -1 / -22 UI5D -14 / - 3 ✓ Closing observed
05-27 22:52 20m - / -7 EB7BXN -9 / - 5 ✓ Closing fragment
05-27 22:48 20m - / -21 EA3IXN -8 / - 2 Partial capture
05-27 22:41 20m -13 / - G4KVI - / -16 2 ✓ Closing fragment
05-27 22:33 20m - / -10 <...> -4 / - 4 Partial capture
05-27 00:42 20m +6 / - TL8GD - / - 4 ✓ Closing fragment
05-27 00:40 20m +3 / - LY2VM - / - 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
213415 -23 3124  CQ K5CM EM25
201015  -2 1114  K5CM DL5KBG JO31
064530  +1 2770  K5CM DL1R JN58 (x6)
065200  -8 2771  K5CM ON7DJ JO21 (x2)
073245 -14 1153  K5CM M7ANY IO93 (x2)
075445 -14 2398  K5CM DL7COC JN49
124815  -8 2804  K5CM DL1NRC JN39
053300  +0 1967  K5CM S51RU 73
40m 
UTC    dB Audio  Message
030415 -15 1933  K5CM SP1EG -16
030415 -10 1455  K5CM DL9KM JN68 (x5)

Decoder S/N history by band

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