OM5ZU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovak Republic Locator transmitted in a decoded message: JN98

Receiver-side FT8 activity involving OM5ZU, decoded by SO8OO in southeastern Poland. 99 related FT8 messages, 2 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-04-24 and 2026-06-18.

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

99
Related messages
2
CQ messages
17
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-04-24
Last seen: 2026-06-18 17:43 UTC

Activity Heatmap

Locator transmitted by OM5ZU

Approximate centre of JN98, decoded 2026-06-17 20:41 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 UTCBandOM5ZU S/NCounterpartCounterpart S/NMsgsCapture
06-17 20:39 40m +16 / - <...> - / 0 4 Partial capture
06-17 20:33 60m +9 / +4 F4ISR -8 / +8 4 ✓ Full exchange observed
06-17 20:31 60m +2 / - DK6ED -10 / +7 5 ✓ Full exchange observed
06-17 20:11 60m +9 / - EG1PLC -9 / -4 9 ✓ Closing observed
06-17 20:11 60m - / +2 SA7BYQ -14 / - 2 Partial capture
06-17 20:09 60m +11 / - DL2RSA +2 / +5 5 ✓ Full exchange observed
06-17 20:08 60m +8 / - DL8SXB - / -11 2 ✓ Closing fragment
06-17 20:07 60m +11 / - M0GWC - / -4 3 ✓ Closing fragment
06-17 19:53 60m -3 / +8 DL4BBY -7 / +1 8 ✓ Full exchange observed
06-17 19:52 60m -2 / - <...> - / 0 2 Partial capture
06-13 20:31 60m 0 / -3 OK1IF -14 / -12 5 ✓ Full exchange observed
06-13 20:21 60m -2 / - <...> - / - 2 Partial capture
06-05 20:42 80m +17 / - A41CK - / - 3 Partial capture
06-05 20:18 40m +6 / 0 YO9PH -2 / 0 4 ✓ Full exchange observed
06-05 20:14 40m -4 / - TL8BNW - / - 5 Partial capture
06-02 20:17 60m +1 / - DF7RG - / -1 3 ✓ Closing fragment
06-02 20:13 60m +1 / - DB5HA - / -4 5 ✓ Closing fragment
06-02 20:00 60m -3 / -4 SP3SWJ -20 / +10 6 ✓ Full exchange observed
06-02 19:58 60m +5 / - LA1HW - / 0 3 ✓ Closing fragment
06-02 19:56 60m +8 / - OE7YMI -24 / +2 4 ✓ Closing observed
06-02 19:55 60m +1 / - SP5JMA -8 / -3 2 Partial capture
06-02 19:54 60m +7 / - IQ2DB - / 0 3 ✓ Closing fragment
06-02 19:53 60m +8 / - <...> - / - 2 Partial capture
06-01 17:10 60m +7 / - HB9FBN - / -4 3 ✓ Closing fragment
06-01 17:08 60m +6 / - OJ0Z - / - 3 Partial capture
05-31 20:46 80m +12 / - <...> - / - 3 Partial capture
05-31 20:38 160m +20 / +2 DK2CC -2 / -3 5 ✓ Full exchange observed
05-31 20:36 160m +17 / - IU1VJP - / -14 4 ✓ Closing fragment
05-31 20:34 160m +15 / - OJ0MN -5 / -1 4 ✓ Closing observed
05-31 20:31 60m +9 / -2 OE6HLF -12 / - 5 ✓ Full exchange observed
05-31 20:30 60m +11 / +5 EW7BU/P -4 / +5 5 ✓ Full exchange observed
05-31 20:28 60m +10 / - S56P 0 / - 5 ✓ Full exchange observed
05-31 20:25 60m +10 / - EC2ASL - / -21 3 ✓ Closing fragment
05-31 20:22 60m +10 / - GM3CQD -16 / -5 4 ✓ Closing observed
05-31 20:21 60m +10 / - <...> - / - 2 Partial capture
05-31 20:16 60m 0 / -10 HA5LB -19 / +9 6 ✓ Full exchange observed
05-31 20:15 60m -6 / - II7EULS - / +2 2 Partial capture
05-26 20:14 60m +5 / - TJ1GD - / -7 3 ✓ Closing fragment
05-26 20:11 60m +1 / - SM7XON - / +3 3 ✓ Closing fragment
05-26 20:10 60m 0 / +10 OK1JPO -22 / +8 3 ✓ Full exchange observed
05-26 20:08 60m +4 / - SP9SIL - / +7 3 ✓ Closing fragment
05-26 20:07 60m +2 / - HB9EKJ - / - 3 ✓ Closing fragment
05-26 20:06 60m +1 / - OE5YCP - / -13 2 ✓ Closing fragment
05-26 20:05 60m 0 / - ON6CQ - / -20 2 ✓ Closing fragment
05-26 20:03 60m +2 / -1 SV1DKR -18 / 0 5 ✓ Full exchange observed
05-26 20:02 60m +2 / - <...> - / +7 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
194330  -3 2654  OM5ZU RR73; IU8QTX <...> -14
40m
UTC    dB Audio  Message
201415  -5 1897  TL8BNW OM5ZU JN98 (x5)
201800  -2 2233  OM5ZU YO9PH +00
201815 +10 2234  YO9PH OM5ZU R+00
201830  -2 2234  OM5ZU YO9PH RR73
201845  +1 2234  YO9PH OM5ZU 73
203915 +14 3016  <...> OM5ZU JN98 (x2)
204000  -2  606  OM5ZU RR73; SV1TN <...> +12
204100 +15 3016  <...> OM5ZU JN98 (x2)
60m
UTC    dB Audio  Message
201330 +11 2545  EG1PLC OM5ZU R-04
201345  -8 2546  OM5ZU EG1PLC RR73
201400  +9 2545  EG1PLC OM5ZU 73
201415  -9 2546  OM5ZU EG1PLC RR73 (x2)
201500  +8 2548  EG1PLC OM5ZU 73
203130  -2 1610  DK6ED OM5ZU JN98
203145 -12 1610  OM5ZU DK6ED +12
203200  +3 1610  DK6ED OM5ZU R+07
203215  -8 1610  OM5ZU DK6ED RRR
203230  +6 1610  DK6ED OM5ZU 73
203330  -9  567  OM5ZU F4ISR +04
203345 +12  567  F4ISR OM5ZU R+08
203400  -6  567  OM5ZU F4ISR RR73
203415  +6  567  F4ISR OM5ZU 73
20m
UTC    dB Audio  Message
191530  -8 1697  OM5ZU IS0IYV 73
80m
UTC    dB Audio  Message
204630 +14  298  <...> OM5ZU JN98 (x3)
204215 +13 2644  A41CK OM5ZU JN98 (x3)
160m
UTC    dB Audio  Message
203445 +11  410  OJ0MN OM5ZU JN98 (x2)
203530  -5 1562  OM5ZU OJ0MN RR73
203545 +19  410  OJ0MN OM5ZU 73
203615 +19  410  IU1VJP OM5ZU -14 (x4)
203830  -2 1998  OM5ZU DK2CC JO63
203845 +19  410  DK2CC OM5ZU -03
203900  +0 1998  OM5ZU DK2CC R+02
203915 +20  410  DK2CC OM5ZU RRR
203930  -3 1998  OM5ZU DK2CC 73

Decoder S/N history by band

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