UB3GCX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO92

Receiver-side FT8 activity involving UB3GCX, decoded by SO8OO in southeastern Poland. 277 related FT8 messages, 73 CQ messages, observed on 20m, 10m, across 34 UTC dates. Heard between 2026-05-12 and 2026-08-10.

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

277
Related messages
73
CQ messages
34
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-12
Last seen: 2026-08-10 16:34 UTC

Activity Heatmap

Locator transmitted by UB3GCX

Approximate centre of KO92, decoded 2026-06-06 14:06 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 UTCBandUB3GCX S/NCounterpartCounterpart S/NMsgsCapture
08-10 18:33 20m - / -12 G7SLB +2 / - 3 Partial capture
08-10 18:18 20m - / -19 G3VCQ +8 / - 3 Partial capture
08-08 06:15 20m - / - EA5HEU -6 / - 3 Partial capture
07-11 05:55 20m - / - IK4LZH -7 / - 3 Partial capture
07-06 11:50 20m - / -12 RA3LCX -16 / - 4 ✓ Closing fragment
07-06 11:31 20m - / - IK4LZH +4 / - 4 Partial capture
07-05 11:29 10m - / -11 GJ0KYZ -2 / - 2 ✓ Closing fragment
06-20 10:47 20m - / -3 LB0QJ -6 / - 2 ✓ Closing fragment
06-19 11:56 20m - / - LZ4VR -20 / - 3 Partial capture
06-16 11:25 20m - / -8 IK4LZH +6 / - 2 ✓ Closing fragment
06-16 11:17 20m - / -16 ZA5G +3 / - 2 ✓ Closing fragment
06-13 13:37 20m -16 / - YB5QZ - / - 2 Partial capture
06-13 10:43 20m - / 0 LZ1ZF +8 / - 2 ✓ Closing fragment
06-12 22:02 20m - / -12 A60PC/14 -14 / - 2 Partial capture
06-12 21:46 20m - / -16 JA0PE -13 / - 2 ✓ Closing fragment
06-11 18:03 20m - / - DG5PW -15 / - 2 Partial capture
06-06 15:23 20m -11 / -17 <...> +7 / - 2 Partial capture
06-06 08:37 10m - / -24 R6TA -5 / - 3 ✓ Closing fragment
06-05 14:27 20m -7 / - PD7JLP -12 / -20 4 Partial capture
06-04 20:16 20m - / -22 BG2FYO 0 / - 6 ✓ Closing fragment
06-04 19:53 20m - / -17 RA0SCA +8 / - 2 Partial capture
06-04 18:27 20m - / -15 JA0LFV +8 / - 2 ✓ Closing fragment
06-04 08:03 20m - / -18 UA4SJB -12 / - 2 Partial capture
06-04 07:41 20m - / - TA3NK -9 / - 8 ✓ Closing fragment
06-02 12:29 20m - / - RY7G +6 / - 2 Partial capture
06-02 08:18 20m - / -8 IZ8EDI -2 / - 9 Partial capture
06-02 05:11 20m - / - R6DYK -6 / - 2 ✓ Closing fragment
06-02 04:53 20m -7 / -3 EX8ABR/P -16 / - 3 Partial capture
06-01 17:51 20m - / - UA3NFG -3 / - 5 Partial capture
06-01 17:43 20m - / -12 RA4P -1 / - 3 ✓ Closing fragment
06-01 16:50 20m -18 / - A61FJ -13 / - 2 ✓ Closing observed
06-01 16:49 20m -14 / - A61OK - / -11 2 ✓ Closing fragment
06-01 16:38 20m - / -1 DF8RU -9 / - 3 ✓ Closing fragment
06-01 16:34 20m -13 / -13 R4IK +4 / -6 3 ✓ Full exchange observed
06-01 16:31 20m - / -14 RD4AAK -6 / - 2 ✓ Closing fragment
05-29 12:53 20m -14 / -5 UA6JQ -4 / - 3 ✓ Closing observed
05-29 12:51 20m - / - F4EOC -10 / - 5 Partial capture
05-29 12:46 20m - / - PD2WL -17 / - 5 Partial capture
05-29 12:46 20m - / - F1IQH -10 / - 2 Partial capture
05-28 19:41 20m - / -12 JA0LFV -9 / - 2 ✓ Closing fragment
05-28 19:37 20m -18 / - R6AC -6 / -14 3 Partial capture
05-28 19:30 20m - / - R6AC -7 / - 3 Partial capture
05-28 17:53 20m - / -14 GJ0KYZ +1 / - 3 ✓ Closing fragment
05-28 06:44 20m -17 / - CN8NS - / - 2 Partial capture
05-28 06:13 20m -15 / - EW2ZC - / -5 2 Partial capture
05-28 06:09 20m - / -20 SV2FNT +6 / - 4 Partial capture
05-28 06:03 20m - / -13 HZ1TT +1 / - 3 ✓ Closing fragment
05-28 05:46 20m -14 / - TI5RTZ - / - 3 Partial capture
05-28 03:26 20m -10 / - CN8NS - / - 3 Partial capture
05-28 03:16 20m -16 / - KA1DCB - / - 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
055615  -7  464  UB3GCX IK4LZH JN54 (x2)
061615  -8 2965  UB3GCX F4BYA JN19 (x2)
061530  -4 1356  UB3GCX EA5HEU JN00 (x3)
043630  -6 2836  UB3GCX RA7E RR73 (x2)
181800  +9 2255  UB3GCX G3VCQ -19 (x3)
183345  +0 2745  UB3GCX G7SLB -12 (x3)
10m
UTC    dB Audio  Message
083700  -2  795  UB3GCX R6TA LN13 (x3)
140645 -24 1895  CQ UB3GCX KO92                        a1
112900  -1  646  UB3GCX GJ0KYZ -11 (x2)
084400 -13  775  UB3GCX R1AP RR73
110745 -20 1795  UB3GCX F4FSY -16

Decoder S/N history by band

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