ON3ZEP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO10

Receiver-side FT8 activity involving ON3ZEP, decoded by SO8OO in southeastern Poland. 418 related FT8 messages, 89 CQ messages, observed on 80m, 40m, 20m, 10m, across 26 UTC dates. Heard between 2026-06-05 and 2026-08-17.

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

418
Related messages
89
CQ messages
26
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-06-05
Last seen: 2026-08-17 08:02 UTC

Activity Heatmap

Locator transmitted by ON3ZEP

Approximate centre of JO10, decoded 2026-08-11 20:20 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 UTCBandON3ZEP S/NCounterpartCounterpart S/NMsgsCapture
08-11 20:16 20m +4 / - BI3UPU - / -16 2 ✓ Closing fragment
08-11 20:13 20m +3 / - BI4JJO - / -14 3 Partial capture
08-11 20:11 20m +7 / -14 F1ODM +1 / -18 5 ✓ Full exchange observed
08-11 20:08 20m +9 / +1 HA1DJF -8 / -6 3 ✓ Full exchange observed
08-11 20:07 20m - / - ON7DE -14 / - 10 Partial capture
08-11 20:06 20m +6 / - IU4TQQ - / -1 2 ✓ Closing fragment
08-11 20:01 20m +4 / -1 IQ4JO +1 / -10 2 Partial capture
08-11 20:00 20m +6 / - UR5WCS - / -5 2 ✓ Closing fragment
08-11 19:55 20m +3 / - EA3GXK -16 / -9 7 ✓ Closing observed
08-11 19:53 20m +5 / - IQ4JO - / -14 5 Partial capture
08-11 19:49 20m +8 / - YL3QZ - / -16 2 ✓ Closing fragment
08-11 19:48 20m +4 / -8 RA1QX -20 / -9 7 ✓ Full exchange observed
08-11 19:48 20m - / - ON3BKY -3 / - 2 Partial capture
08-11 19:46 20m +6 / - DL6NAC - / -5 2 ✓ Closing fragment
08-11 19:45 20m +2 / -13 JA7BXS -17 / -14 5 ✓ Full exchange observed
08-11 19:44 20m -4 / - 9A2HX/P - / -10 3 ✓ Closing fragment
08-11 19:42 20m -2 / +9 RZ4FWA -23 / -11 4 ✓ Full exchange observed
08-11 19:38 20m -10 / - SQ7FZR - / - 2 Partial capture
08-11 19:34 20m -10 / - OK2FAB - / - 2 Partial capture
08-08 08:17 20m - / - MI7RDK -15 / - 2 Partial capture
08-08 08:12 20m -6 / - OK7TB - / 0 2 ✓ Closing fragment
08-08 08:09 20m +2 / - LY3BES - / 0 2 ✓ Closing fragment
08-08 08:07 20m 0 / - ON1JP -14 / -16 3 ✓ Closing observed
08-08 08:06 20m - / - MI7RDK -8 / - 2 Partial capture
08-08 08:06 20m -5 / -2 R5AV -2 / -5 4 ✓ Full exchange observed
08-08 07:59 40m - / - OM6APJ -23 / - 2 ✓ Closing fragment
08-08 07:51 40m - / -16 SP1ZMO -21 / - 3 Partial capture
08-08 07:10 20m -7 / - UC8U - / - 7 Partial capture
08-08 07:08 20m -6 / - EK1KE - / -14 2 Partial capture
08-08 07:07 20m -5 / - HI8UD - / - 2 Partial capture
08-08 07:04 20m -3 / - TA2ANK - / -7 3 Partial capture
08-08 07:02 20m -8 / - F5SZB - / - 5 Partial capture
08-08 07:00 20m -5 / -4 CN8NS -24 / -8 4 ✓ Full exchange observed
08-08 06:58 20m -7 / - VK3JMA - / - 4 Partial capture
08-08 06:55 20m -5 / - 9A7DNZ - / -1 5 ✓ Closing fragment
08-08 06:52 20m -5 / - R5KH - / - 4 Partial capture
08-08 06:50 20m -2 / - R6OP - / - 4 Partial capture
07-27 00:17 40m -15 / - K4ISG - / - 5 Partial capture
07-27 00:12 40m -18 / - CR7BUJ - / -19 5 ✓ Closing fragment
07-27 00:10 40m -20 / - R2FDP - / -14 2 Partial capture
07-27 00:07 40m -13 / - N5WXB - / -14 5 Partial capture
07-27 00:06 40m -9 / - R2FDP - / - 3 Partial capture
07-27 00:04 40m -14 / - W4LUF - / - 2 ✓ Closing fragment
07-27 00:02 40m -14 / - 9A9TT - / -9 4 ✓ Closing fragment
07-26 23:57 40m -16 / - PD2TX - / - 2 Partial capture
07-26 23:53 40m -16 / - <...> - / -10 2 Partial capture
07-26 23:50 40m -13 / - PV8AJ - / - 3 Partial capture
07-26 23:46 40m -12 / - RX3ASQ - / - 3 Partial capture
07-26 23:31 40m -14 / - HI3CH - / - 2 Partial capture
07-26 23:30 40m -16 / - A71XX - / - 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
201300  +5  996  CQ ON3ZEP JO10
201330  +2  996  BI4JJO ON3ZEP -14 (x3)
201600  +4  996  CQ ON3ZEP JO10
201630  +4  996  BI3UPU ON3ZEP -16 (x2)
201730  +5  996  CQ ON3ZEP JO10 (x6)
075245 -14 1399  ON3ZEP/P ON3ZEP -21
100215  -6 2492  ON3ZEP ON3ZEP/P R-10
40m
UTC    dB Audio  Message
001300 -18 1180  CR7BUJ ON3ZEP JO10 (x3)
001700 -22 1653  DL9KM ON3ZEP JO10
001730 -14 1476  K4ISG ON3ZEP JO10 (x5)
075100 -22 1469  ON3ZEP SP1ZMO JO73 (x3)
075530 -12  240  ON3ZEP DK5DW 73
075930 -23 1835  ON3ZEP OM6APJ JN99 (x2)
10m
UTC    dB Audio  Message
105200  +1  548  ON3ZEP <...> -01 (x2)
105345 -15 1108  <...> ON3ZEP JO10 (x4)
091300  -1  463  A41ZZ ON3ZEP JO10 (x2)
091400  -2  463  SK3WWA ON3ZEP JO10 (x2)
100715  +0  464  II2WWA ON3ZEP JO10 (x5)
80m
UTC    dB Audio  Message
203130 -15 1302  ON3ZEP IQ2DB -08 (x2)
205745  -2  570  IR0RPER ON3ZEP JO10
205800  +7  572  ON3ZEP IR0RPER -08
205815  -3  571  IR0RPER ON3ZEP R-07
205900 +12  570  ON3ZEP UA4FKT LO23 (x2)

Decoder S/N history by band

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