UR3UI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KO50

Receiver-side FT8 activity involving UR3UI, decoded by SO8OO in southeastern Poland. 107 related FT8 messages, 26 CQ messages, observed on 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-05-25 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

107

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 15:54 UTC

Frequent QSO partners observed at SO8OO

Stations UR3UI worked most often, as logged from our receiver:

DL1R · Fed. Rep. of Germany ×2 PD0WC · Netherlands JA3HCC · Japan M0BEW · England BH4THI · China UR5FS · Ukraine JG5VFK · Japan DL1EBW · Fed. Rep. of Germany SP9Y · Poland GM3JIM · Scotland BD1TX · China DH3KR · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by UR3UI

Approximate centre of KO50, decoded 2026-08-23 17:54 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 UTC	Band	UR3UI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 17:49	20m	-6 / -	DL1EBW	- / -5	2	✓ Closing fragment
08-23 17:42	20m	+4 / -4	PD0WC	+7 / -4	5	✓ Full exchange observed
08-23 17:37	20m	0 / -	DL1R	- / -7	4	✓ Closing fragment
08-23 17:36	20m	- / -	IK2ZJR	+1 / -	9	Partial capture
08-08 12:38	20m	- / -13	PD1HPB	-19 / -	4	Partial capture
08-08 12:34	20m	- / -	PD3LKN	-17 / -	2	Partial capture
08-08 12:26	20m	- / -1	M0BEW	-12 / -	3	✓ Closing fragment
08-05 09:23	20m	- / -19	PD1ADA	-16 / -	13	Partial capture
08-05 09:22	20m	- / -7	RN6MA	-2 / -	4	Partial capture
07-31 19:32	20m	- / -	GM3JIM	-16 / -	2	✓ Closing fragment
07-18 15:59	10m	- / -	UR5FS	-14 / -	3	✓ Closing fragment
06-10 18:44	10m	- / -	PA7RB	0 / -	9	Partial capture
06-05 05:32	20m	- / -24	ND9M	-12 / -	3	Partial capture
06-01 19:46	20m	- / -4	JA3HCC	-9 / -	2	✓ Closing fragment
06-01 19:42	20m	- / -12	JG5VFK	-18 / -	3	✓ Closing fragment
06-01 19:27	20m	- / -1	BD1TX	-14 / -	2	✓ Closing fragment
05-31 06:37	20m	-8 / -	Z62NS	- / -	2	Partial capture
05-29 18:22	20m	-10 / -	KC1WAY	- / -	2	Partial capture
05-29 15:38	40m	- / -	DA1ST	-15 / -	9	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
174515 +13 2720  CQ UR3UI KO50 (x2)
174645  +8 2720  SP9Y UR3UI RR73
174715  +2 2719  CQ UR3UI KO50 (x2)
174915  -7 2720  DL1EBW UR3UI -05 (x2)
175015  -5 2720  CQ UR3UI KO50 (x8)

10m

UTC    dB Audio  Message
184430  -2 1200  UR3UI PA7RB JO31 (x8)
155430 -19 1718  CQ UR3UI KO50
155600 -19 1718  HA7TM UR3UI +00
155700 -16 1718  CQ UR3UI KO50
155730 -24 1719  SM2LIY UR3UI -11
155915 -13 1783  UR3UI UR5FS KN56 (x3)

40m

UTC    dB Audio  Message
153615 -24 1399  CQ UR3UI KO50 (x4)
153800 -17 1399  UR3UI DA1ST JO41 (x2)
153845 -20 1399  CQ UR3UI KO50                         a1
153900 -19 1399  UR3UI DA1ST JO41 (x7)

Decoder S/N history by band

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