S58MU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN76

Receiver-side FT8 activity involving S58MU, decoded by SO8OO in southeastern Poland. 3,419 related FT8 messages, 2,172 CQ messages, observed on 80m, 40m, 20m, 10m, across 77 UTC dates. Heard between 2026-05-26 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.

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Overview

3,419
Related messages
2,172
CQ messages
77
UTC dates heard
-3 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-26
Last seen: 2026-08-24 01:47 UTC

Frequent QSO partners observed at SO8OO

Stations S58MU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by S58MU

Approximate centre of JN76, decoded 2026-08-24 03:47 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 UTCBandS58MU S/NCounterpartCounterpart S/NMsgsCapture
08-24 03:39 40m -14 / +2 G3JVA -9 / 0 3 ✓ Full exchange observed
08-24 03:36 40m -17 / - DC9GT - / -22 3 ✓ Closing fragment
08-24 03:33 40m -13 / - SP4DLD - / -14 2 ✓ Closing fragment
08-24 02:45 40m 0 / - TA3NK -3 / 0 10 Partial capture
08-24 02:44 40m +8 / - RA6LF - / +8 2 ✓ Closing fragment
08-24 02:39 80m +9 / -2 EW8AAC -14 / -16 5 ✓ Full exchange observed
08-24 01:41 80m -2 / - UF3T - / - 2 Partial capture
08-24 01:34 80m +14 / -3 DH1KJ -3 / -9 5 ✓ Full exchange observed
08-24 01:28 40m +7 / - KD2WBX - / -16 4 ✓ Closing fragment
08-24 01:19 40m +5 / - KE8ZDV -10 / -12 10 Partial capture
08-24 01:12 40m +4 / -13 VA2KZ -13 / -6 6 ✓ Full exchange observed
08-23 20:15 40m +6 / -7 YT2FA -13 / +6 5 ✓ Full exchange observed
08-23 20:13 40m +6 / -1 SQ5EXI 0 / +6 4 ✓ Full exchange observed
08-23 20:11 40m +8 / - JF1UVJ -14 / -12 3 ✓ Closing observed
08-23 20:10 40m +8 / - JM1DVM - / -24 2 ✓ Closing fragment
08-23 19:24 40m +7 / - EA8J - / -18 3 ✓ Closing fragment
08-23 19:17 80m - / - DO1XD -12 / - 2 Partial capture
08-23 19:16 80m 0 / -3 DL7COC -10 / -11 5 ✓ Full exchange observed
08-23 19:13 80m +3 / -11 SP1905MFK -1 / -11 3 Partial capture
08-23 05:32 40m +2 / - EA5GGU/P - / - 4 Partial capture
08-23 05:29 40m 0 / - G7LMY -14 / -10 4 ✓ Closing observed
08-23 05:03 40m +2 / - <...> - / +1 4 Partial capture
08-23 05:00 40m 0 / - <...> - / -7 2 Partial capture
08-23 04:54 40m +6 / - 3Z100LKK - / -7 2 Partial capture
08-23 04:51 40m +8 / - <...> - / -9 4 Partial capture
08-23 04:31 40m -4 / - SP5MIG - / -6 2 ✓ Closing fragment
08-23 04:26 80m -19 / +1 OE7UU -5 / - 2 Partial capture
08-22 20:07 80m +6 / - SP9DGO +10 / +1 5 Partial capture
08-22 20:07 80m +6 / - II7MGXX - / +4 2 Partial capture
08-22 07:23 20m +2 / -4 DK4VF +8 / +3 6 Partial capture
08-22 06:32 40m +4 / - <...> - / -15 3 Partial capture
08-22 04:19 80m -10 / - F5LMJ - / -18 2 Partial capture
08-22 04:15 80m -8 / -8 OZ1BLP -9 / -16 5 ✓ Full exchange observed
08-22 04:09 80m -6 / -6 F4FPR -5 / -5 5 ✓ Full exchange observed
08-22 04:07 80m -4 / - KG8CW - / -24 4 Partial capture
08-22 04:05 80m -2 / - DO9FR -24 / -14 4 ✓ Closing observed
08-22 04:01 80m -8 / - YU7AS -3 / +4 3 Partial capture
08-22 03:59 80m -18 / -12 F4LTX -6 / - 4 ✓ Closing observed
08-22 03:54 80m -14 / -15 HA5LB -10 / +5 4 ✓ Full exchange observed
08-22 03:53 80m -7 / - DO2PY -18 / -19 6 ✓ Closing observed
08-22 03:32 80m +3 / -12 DB0CUI -11 / +2 5 ✓ Full exchange observed
08-22 03:28 80m +1 / - G4UJS - / -17 2 ✓ Closing fragment
08-22 03:27 80m -4 / - NQ9N - / -18 2 Partial capture
08-21 20:29 80m +9 / 0 DA6BA -20 / -14 5 ✓ Full exchange observed
08-21 20:21 40m +3 / +6 DL7UST -10 / - 2 Partial capture
08-21 12:51 20m - / -15 PD4RJ -16 / - 4 ✓ Closing fragment
08-21 12:48 20m 0 / - <...> - / -6 3 Partial capture
08-21 12:30 20m +14 / - CT1BFP - / -14 3 ✓ Closing fragment
08-21 12:25 20m +6 / - DK0PB - / -10 2 ✓ Closing fragment
08-21 07:56 20m +4 / -3 OJ0YL -20 / -1 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
033130 -12 1687  CQ S58MU JN76
033230 -12 1687  MM6EJO S58MU 73
033300 -14 1687  SP4DLD S58MU -14 (x2)
033430 -11 1687  CQ S58MU JN76 (x3)
033600 -21 1687  DC9GT S58MU -22 (x3)
033900 -11 2263  S58MU G3JVA +02
033915 -14 1687  G3JVA S58MU R+00
033930  -7 2263  S58MU G3JVA RR73
034645 -10 1685  CQ S58MU JN76 (x2)
80m 
UTC    dB Audio  Message
023400  -1 1832  CQ S58MU JN76 (x7)
023915  +8 1831  EW8AAC S58MU JN76
023930 -11 1696  S58MU EW8AAC -02
023945 +14 1831  EW8AAC S58MU R-16
024000 -18 1696  S58MU EW8AAC RR73
024015  +4 1831  EW8AAC S58MU 73
024900  -6 1582  CQ S58MU JN76                         a1 (x3)
20m 
UTC    dB Audio  Message
125100  -2 1167  CQ S58MU JN76
125115 -16 1421  S58MU PD4RJ JO33 (x2)
125145  -3 1168  S58MU US1EA KN78
125215 -19 1421  S58MU PD4RJ R-15 (x2)
063130 +14  448  S58MU IU0WCX JN62
072300  +9  638  S58MU DK4VF JO43
072315  +4  637  DK4VF S58MU +03
072330  +8  638  S58MU DK4VF JO43
072345  -1  637  DK4VF S58MU +03
072400  +8  638  S58MU DK4VF JO43 (x2)
072515  +8  636  CQ S58MU JN76 (x2)
10m 
UTC    dB Audio  Message
103345  +4 2762  S58MU TM2WWA -11 (x3)
082600 -13 1432  S58MU IZ8NVV R-16 (x2)
085800 -17 1084  S58MU RC5F 73
090200 -11  758  S58MU DL3NGN JN59
105800 -24 1731  S58MU F4FSY JN25 (x3)
120215  -5 2732  S58MU F1PBZ -10 (x3)
120915 -16 1496  S58MU F4FSY -09 (x2)

Decoder S/N history by band

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