S58Z — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving S58Z, decoded by SO8OO in southeastern Poland. 664 related FT8 messages, 244 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 32 UTC dates. Heard between 2026-05-31 and 2026-08-23.

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

664
Related messages
244
CQ messages
32
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-08-23 20:05 UTC

Activity Heatmap

Locator transmitted by S58Z

Approximate centre of JN76, decoded 2026-08-23 22:08 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 UTCBandS58Z S/NCounterpartCounterpart S/NMsgsCapture
08-23 22:05 40m +8 / - XV9B - / -12 9 ✓ Closing fragment
08-23 22:04 40m +7 / -1 F5HNQ -1 / - 5 ✓ Full exchange observed
08-23 22:01 40m +5 / -12 TA7ARH +6 / +4 6 ✓ Full exchange observed
08-23 22:01 40m +9 / - EB1LA +3 / +8 4 Partial capture
08-23 22:00 40m +12 / - BA6IM - / -15 2 ✓ Closing fragment
08-23 21:02 20m - / - EA4ITG -12 / - 2 Partial capture
08-23 20:57 20m - / -24 EA8BYO -6 / - 2 Partial capture
08-23 20:44 20m +1 / - VE3NVK - / -7 2 Partial capture
08-23 20:43 20m 0 / - TA7ARH - / +4 2 ✓ Closing fragment
08-23 20:21 40m +5 / - JA8DKJ - / -1 3 ✓ Closing fragment
08-23 20:19 40m +6 / - YB2TTM - / -5 2 ✓ Closing fragment
08-23 20:18 40m +4 / - DM4ZPJ -5 / +3 3 ✓ Closing observed
08-23 20:16 40m +6 / - 9A3AUH -3 / - 5 ✓ Closing observed
08-23 20:10 40m +6 / +8 OH1ZE -7 / +3 9 ✓ Full exchange observed
08-23 20:09 40m +5 / -7 JA0RUG -7 / -6 5 ✓ Full exchange observed
08-23 20:04 40m - / -10 F4BYA +6 / - 3 ✓ Closing fragment
08-22 21:46 40m +14 / - TA2EE - / -16 2 ✓ Closing fragment
08-22 21:45 40m +14 / - EA3AVS - / +6 2 ✓ Closing fragment
08-22 21:43 40m +13 / -5 DL1ESZ -9 / +1 5 ✓ Full exchange observed
08-22 21:39 40m +13 / -10 RD3FY -6 / +3 7 ✓ Full exchange observed
08-22 21:38 40m +4 / - PY2MTG - / -20 2 ✓ Closing fragment
08-22 21:38 40m +6 / -8 PA8S +5 / -3 8 ✓ Full exchange observed
08-22 21:35 40m +4 / - PY2CAZ - / -25 2 ✓ Closing fragment
08-22 21:22 40m +7 / -11 DL1GLO +4 / - 3 Partial capture
08-22 21:19 40m -1 / -3 TA3NK -5 / +5 5 ✓ Full exchange observed
08-22 21:17 40m -2 / - G4FHL -2 / -3 3 ✓ Closing observed
08-22 21:17 40m +2 / +10 DJ0MAB -4 / +4 6 ✓ Full exchange observed
08-22 21:16 40m +4 / -2 F1IQH -7 / -2 4 ✓ Full exchange observed
08-22 21:14 40m +6 / - D2UY - / - 2 Partial capture
08-22 21:13 40m +6 / - 4X5JK - / -14 2 ✓ Closing fragment
08-22 21:02 20m - / -2 R2AL -8 / - 2 Partial capture
08-22 20:57 20m 0 / - XU7O - / - 2 Partial capture
08-22 20:45 20m -1 / - UR5WCS - / +1 3 ✓ Closing fragment
08-22 20:43 20m +4 / - JF2RYX - / -25 2 ✓ Closing fragment
08-22 20:40 40m +2 / - ON4MAP - / -11 2 ✓ Closing fragment
08-22 20:37 40m +4 / - 4X4ZP - / - 2 Partial capture
08-22 16:34 20m - / -13 M0SCK +1 / - 3 Partial capture
08-21 21:36 20m -1 / - ON9MD 0 / -5 7 ✓ Closing observed
08-21 21:32 20m +2 / - SP8PLC - / -11 2 ✓ Closing fragment
08-21 21:18 20m +6 / -4 DL1UDO -10 / - 4 ✓ Closing observed
08-21 21:15 20m -2 / - KA8YGL - / -15 2 ✓ Closing fragment
08-21 21:12 20m 0 / -19 4Z5PT -16 / -11 4 Partial capture
08-21 21:02 20m -3 / - SV5BYP -7 / +4 2 ✓ Closing observed
08-21 20:55 20m +8 / - FG4AO - / - 3 Partial capture
08-21 20:45 20m - / - EI3JKB -7 / - 4 Partial capture
08-21 20:45 20m +5 / - XU7O - / -18 5 ✓ Closing fragment
08-21 20:40 60m - / -12 SP9UPH +8 / - 2 ✓ Closing fragment
08-21 20:37 60m - / +2 DK7ZT -17 / - 3 Partial capture
08-21 20:36 60m - / -15 G4ZFJ +1 / - 4 Partial capture
08-21 20:33 60m - / -14 DK5WO -16 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
220345 +12 2938  CQ S58Z JN76
220400  -1 2027  S58Z F5HNQ IN98
220415 +11 2938  F5HNQ S58Z +14
220430  -2 2027  S58Z F5HNQ R-01
220445  +3 2938  F5HNQ S58Z RR73
220500  +0 2027  S58Z F5HNQ 73
220545  +5 2938  XV9B S58Z JN76 (x9)
20m
UTC    dB Audio  Message
204430  +2  882  VE3NVK S58Z -07 (x2)
204630  +3  882  CQ S58Z JN76 (x2)
205445 -10  502  S58Z 2E0WWG R+01
205745  -7 3032  S58Z EA8BYO -24 (x2)
210245 -11 3029  S58Z EA4ITG IN80 (x2)
215145 -11 2978  CQ S58Z JN76                          a1
215515 -12 2978  KQ4MHD S58Z RR73
215715  -2 2978  KD2TUS S58Z RR73
215745  -2 2978  ON1JP S58Z R+04
215845  -1 2978  CQ S58Z JN76 (x2)
60m
UTC    dB Audio  Message
203445  +1 2590  S58Z IZ5MMT JN52
203515 -16 2454  S58Z DK5WO R-14
203515  -1 2590  S58Z IZ5MMT R-08
203545 -19 2454  S58Z DK5WO R-16
203545  -3 2590  S58Z IZ5MMT 73
203615 -15 2454  S58Z DK5WO 73
203615  +0  665  S58Z G4ZFJ JO01 (x3)
203745 -18 1900  S58Z DK7ZT +02
203745  +2  665  S58Z G4ZFJ -15
203815 -16 1900  S58Z DK7ZT +02 (x2)
204045  +7 2134  S58Z SP9UPH -12 (x2)
160m
UTC    dB Audio  Message
195700 -24 1596  SQ7PKP S58Z JN76 (x2)
195900  -6 2898  CQ S58Z JN76
224000  -6 1284  S58Z OK1DXR JO60 (x3)
224100  +1 2694  S58Z 9A4ZM JN86 (x3)
80m
UTC    dB Audio  Message
203915  -9  641  CQ S58Z JN76                          a1 (x2)
204200  -4 1451  S58Z DH5BO JO43
204315 -24 1451  DH5BO S58Z -06 (x3)
204430  -3 1758  S58Z DH5BO R-13
204445 -24 1451  DH5BO S58Z RR73
204530  -1  551  S58Z 9A7BB JN75
204600 -13 1451  S58Z DL3JHK JO62
204600  -3  552  S58Z 9A7BB JN75
204615 -18 1451  9A7BB S58Z -05
204630  -9  551  S58Z 9A7BB R-05
204645 -19 1451  9A7BB S58Z RR73
204700  -2  552  S58Z 9A7BB 73
10m
UTC    dB Audio  Message
151615 +19 2832  S58Z F1PBZ -05 (x2)
081700 -19 1713  S58Z RG6S KN77

Decoder S/N history by band

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