IZ4CMU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Locator transmitted in a decoded message: JN54

Receiver-side FT8 activity involving IZ4CMU, decoded by SO8OO in southeastern Poland. 150 related FT8 messages, 4 CQ messages, observed on 40m, 20m, 10m, across 20 UTC dates. Heard between 2026-04-22 and 2026-07-19.

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.

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Overview

150
Related messages
4
CQ messages
20
UTC dates heard
-5 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-04-22
Last seen: 2026-07-19 09:34 UTC

Frequent QSO partners observed at SO8OO

Stations IZ4CMU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by IZ4CMU

Approximate centre of JN54, decoded 2026-07-07 18:49 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 UTCBandIZ4CMU S/NCounterpartCounterpart S/NMsgsCapture
07-07 19:06 10m - / -2 M0BEW -22 / - 2 ✓ Closing fragment
07-07 18:48 40m -8 / - CR7BRV - / +3 2 Partial capture
06-19 15:37 20m - / -15 G4ZSV +2 / - 2 ✓ Closing fragment
06-19 15:12 40m -14 / -19 SP9LS -16 / - 3 ✓ Closing observed
06-12 17:30 40m -11 / - UN8DSW - / -10 2 ✓ Closing fragment
06-12 17:18 40m -10 / - UN8DSW - / - 6 Partial capture
06-12 17:13 40m -11 / -1 IU8VAS -7 / - 3 ✓ Closing observed
06-12 17:11 40m -8 / - G6OCE - / -18 4 ✓ Closing fragment
06-12 17:06 40m -10 / - UF1A - / - 5 Partial capture
06-12 17:03 40m -18 / - LY8O - / - 3 Partial capture
06-12 16:56 40m -16 / -3 9A7BB -6 / - 4 ✓ Full exchange observed
06-12 16:48 40m -17 / - F1LPT/P - / -12 2 Partial capture
06-06 09:34 10m - / -15 A61CK -2 / - 2 ✓ Closing fragment
06-06 09:00 20m -12 / - F4IIX -13 / - 2 ✓ Closing observed
06-06 08:58 20m -7 / - 2E0VDS - / +3 3 ✓ Closing fragment
06-06 08:56 20m - / -8 UI6O -7 / - 3 Partial capture
06-06 08:52 20m -8 / - PD1WS - / -4 2 Partial capture
06-06 08:47 20m -9 / - M9KPF - / - 3 Partial capture
06-06 08:39 20m -2 / - OZ6MM - / -18 2 Partial capture
05-27 15:29 10m - / -22 A61DI -22 / - 2 ✓ Closing fragment
05-26 10:47 20m - / - 9A4ZM -9 / - 2 Partial capture
05-26 10:45 20m - / -12 UR5VPR 0 / - 3 ✓ Closing fragment
05-26 10:42 20m -14 / - 1O3NDH - / - 3 ✓ Closing fragment
05-26 10:33 20m -8 / - 4L7T - / - 8 Partial capture
05-26 10:30 20m - / -7 F4HTW -20 / - 3 ✓ Closing fragment
05-26 10:19 20m - / - UR4QWW +1 / - 4 Partial capture
05-26 10:17 20m -6 / - LA2XNA - / +3 2 Partial capture
05-26 10:15 20m -4 / -21 <...> +4 / -8 3 Partial capture
05-26 09:41 20m - / -2 HG0NPJ -8 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
085315  -8  665  PD1WS IZ4CMU -04
085430  -4 1463  IZ4CMU EG53DMM -08
085600  -6  969  IZ4CMU UI6O -08 (x3)
085845  -8 2858  2E0VDS IZ4CMU JN54 (x3)
090045 -12 2859  F4IIX IZ4CMU RRR
090100 -13 2592  IZ4CMU F4IIX 73
153700  +5 2530  IZ4CMU G4ZSV -15 (x2)
154100  -8  822  IZ4CMU IQ9BF +02
113400 -21 1622  G6OIA IZ4CMU 73
113445  +3 2611  IZ4CMU M3SVO -25
10m 
UTC    dB Audio  Message
152915 -20 1818  IZ4CMU A61DI -22 (x2)
093415  -3  906  IZ4CMU A61CK -15 (x2)
190645 -24 2131  IZ4CMU M0BEW -02 (x2)
40m 
UTC    dB Audio  Message
171845 -12 2397  UN8DSW IZ4CMU JN54 (x8)
151230 -16 2424  IZ4CMU SP9LS -19 (x2)
151315 -14 2423  SP9LS IZ4CMU 73
184830  -9  649  CR7BRV IZ4CMU +03 (x2)
184930  -7  649  CQ IZ4CMU JN54
185030 -13  649  DL1BBO IZ4CMU RRR

Decoder S/N history by band

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