IZ5MMK — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving IZ5MMK, decoded by SO8OO in southeastern Poland. 168 related FT8 messages, 43 CQ messages, observed on 60m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-24 and 2026-08-21.

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

168
Related messages
43
CQ messages
36
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-24
Last seen: 2026-08-21 14:01 UTC

Activity Heatmap

Locator transmitted by IZ5MMK

Approximate centre of JN54, decoded 2026-08-21 15:27 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 UTCBandIZ5MMK S/NCounterpartCounterpart S/NMsgsCapture
08-21 15:56 20m - / -14 R3KCW -4 / - 6 Partial capture
08-20 19:35 40m - / - DL1EDR +1 / - 3 Partial capture
08-20 19:33 40m - / - DL3IAK -8 / - 6 Partial capture
08-20 19:00 20m - / 0 XU7O -4 / - 2 Partial capture
08-20 18:57 20m -15 / - EA5IHI - / -3 2 ✓ Closing fragment
08-19 12:53 10m -14 / - 7Z1DH - / -8 2 ✓ Closing fragment
08-18 20:40 40m -16 / - <...> - / - 2 Partial capture
08-17 16:59 20m -18 / - F4LCT - / -14 2 Partial capture
08-17 16:56 20m - / - YO5PHL -11 / - 2 Partial capture
08-16 14:14 20m - / -3 DK3HV -8 / - 2 ✓ Closing fragment
07-30 10:08 10m - / - IZ2CPP -9 / - 2 Partial capture
07-29 19:22 20m -18 / - VP5G - / -13 4 Partial capture
07-27 16:33 20m - / -24 DG8MHB/P -16 / - 2 Partial capture
07-24 19:51 20m -18 / - SV3SIM - / - 2 Partial capture
07-24 13:13 10m - / -5 DO7DE -5 / - 3 ✓ Closing fragment
07-24 13:12 10m - / - DK3HV -14 / - 3 Partial capture
07-22 06:12 20m -16 / - TJ1GD/P - / - 3 Partial capture
07-14 06:57 20m -20 / -5 F4FSY -14 / -2 3 ✓ Full exchange observed
07-08 10:22 10m - / +7 DO3BZ -14 / - 3 ✓ Closing fragment
07-06 19:29 20m - / - PD9OH -6 / - 2 Partial capture
07-06 19:05 20m -13 / - A41MS - / -19 3 Partial capture
07-05 15:09 10m -20 / - S79VU - / - 2 Partial capture
07-05 14:48 10m -7 / - S79VU - / - 12 Partial capture
07-05 14:42 10m -11 / - S79VU - / - 3 Partial capture
07-05 12:48 10m -16 / - S79VU - / - 2 Partial capture
07-04 19:13 20m - / -18 M0BEW -7 / - 3 Partial capture
07-03 19:07 10m -16 / - DN9DML - / -2 2 Partial capture
07-03 18:47 10m -21 / - DN9AD - / -9 2 ✓ Closing fragment
07-03 18:40 10m -22 / - HB0WR - / -14 3 ✓ Closing fragment
06-29 18:59 10m -9 / -14 PD4WAC -16 / -1 6 ✓ Full exchange observed
06-27 11:05 10m - / -2 DO3HCS -12 / - 3 ✓ Closing fragment
06-25 19:21 20m - / - GJ0KYZ -7 / - 4 Partial capture
06-25 07:52 20m - / -11 ON1JP -24 / - 3 Partial capture
06-25 07:19 20m - / - DL9KM -16 / - 2 Partial capture
06-20 15:46 10m -10 / - TN8GD - / -18 3 Partial capture
06-19 19:52 20m - / - F5NNN -4 / - 5 Partial capture
06-19 17:28 20m - / -17 LA1PHA -8 / - 2 ✓ Closing fragment
06-18 19:02 10m -10 / - D44EC - / -3 4 Partial capture
06-15 20:26 20m - / +6 M7HET -15 / - 2 Partial capture
06-14 19:49 10m -13 / - <...> - / - 2 Partial capture
06-12 20:48 40m -12 / - 9X5KM - / - 4 Partial capture
06-12 20:45 40m - / - S51PV -8 / - 3 Partial capture
06-12 20:44 40m - / -11 YL3MM -2 / - 2 ✓ Closing fragment
06-12 20:42 40m -8 / -8 PD9JPV -23 / -8 4 ✓ Full exchange observed
06-12 20:41 40m - / - G0RVY +1 / - 3 Partial capture
06-12 20:23 20m - / -19 JF2HPA -12 / - 2 ✓ Closing fragment
06-11 19:57 20m - / -18 IW4DNI -3 / - 6 Partial capture
06-11 19:19 40m -10 / - SQ5FNF/QRP - / +1 2 Partial capture
06-10 20:21 20m -13 / - DL6KA - / -16 2 ✓ Closing fragment
06-10 20:19 20m -6 / - JA0JWQ - / -8 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
165715 -17 1869  TA3F IZ5MMK -09
165945 -21 1869  F4LCT IZ5MMK -14 (x2)
131215  -6  873  IZ5MMK DL8WEM JN48
185700 -18  875  EA5IHI IZ5MMK R-03 (x2)
190030  -6  485  IZ5MMK XU7O +00 (x3)
155645  -7 1280  IZ5MMK R3KCW KO90 (x6)
10m
UTC    dB Audio  Message
131330 -12 1880  IZ5MMK DK3HV JO31
131330  -4 2100  IZ5MMK DO7DE R-05 (x2)
100615 -22 1885  CQ IZ5MMK JN54
100630  +4 2735  IZ5MMK F1PBZ -14
100645 -24 1884  CQ IZ5MMK JN54 (x2)
100830 -13 1884  IZ5MMK IZ2CPP JN45 (x2)
100945 -22 1885  US2UM IZ5MMK -18
190600 -15  962  IZ5MMK PE2K JO22
125330 -17  890  7Z1DH IZ5MMK R-08 (x2)
125630 -16  890  CQ IZ5MMK JN54
152700 -14 2276  ZZ5X IZ5MMK JN54
40m
UTC    dB Audio  Message
195130 -21 2015  EH9WWA IZ5MMK JN54
204000 -15 1838  <...> IZ5MMK JN54 (x2)
193245  -5 1837  CQ IZ5MMK JN54 (x2)
193330  -7  345  IZ5MMK DL3IAK JN49
193345  -3 1837  CQ IZ5MMK JN54
193400  -8  344  IZ5MMK DL3IAK JN49 (x4)
193530  +2 1835  IZ5MMK DL1EDR JO41
193600 -10  345  IZ5MMK DL3IAK JN49
193600  +3 1835  IZ5MMK DL1EDR JO41 (x2)
60m
UTC    dB Audio  Message
202515 -20 1430  OJ0JR IZ5MMK JN54
203330  -1  701  IZ5MMK RR73; IZ5WTV <...> -14

Decoder S/N history by band

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