UX5UO — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving UX5UO, decoded by SO8OO in southeastern Poland. 488 related FT8 messages, 22 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 53 UTC dates. Heard between 2026-05-26 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

488

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-26
Last seen: 2026-08-23 19:07 UTC

Frequent QSO partners observed at SO8OO

Stations UX5UO worked most often, as logged from our receiver:

OJ0MN · Market Reef ×2 YB5QZ · Indonesia ×2 SP5GW · Poland ×2 F1IQH · France ×2 DD0AM · Fed. Rep. of Germany ×2 EG5SUN · Spain ×2 F4FTV · France ×2 EB9AAI · Ceuta & Melilla ×2 ON4AXU · Belgium KZ7K · United States W3DIY · United States G3TKT · England

Activity Heatmap

Locator transmitted by UX5UO

Approximate centre of KO50, decoded 2026-08-23 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 UTC	Band	UX5UO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 21:05	20m	- / -11	WY5I	+1 / -	4	✓ Closing fragment
08-23 20:46	20m	- / -1	W4JVN	0 / -	2	✓ Closing fragment
08-23 20:41	20m	-7 / -	LU1DA	-16 / -20	4	✓ Closing observed
08-23 20:18	20m	-1 / -	JE1NVD	- / -20	4	✓ Closing fragment
08-23 20:13	20m	0 / -	KR3BST	- / -	7	Partial capture
08-23 19:49	20m	-5 / -	4X5KE	- / -	4	Partial capture
08-23 19:39	20m	+2 / -8	BD4SDO	+6 / -	3	✓ Closing observed
08-23 19:36	20m	-17 / -	K4A	- / -22	3	✓ Closing fragment
08-23 19:32	20m	-15 / -	BG5WDR	- / -24	4	Partial capture
08-22 21:40	160m	+3 / -	IW5DNZ	- / -	3	Partial capture
08-22 21:12	160m	0 / -	M0WNA	- / -	4	Partial capture
08-22 21:08	160m	+4 / -11	9A2RD	+12 / +1	8	✓ Full exchange observed
08-22 21:05	160m	-3 / -	G4LPP	- / -26	5	Partial capture
08-22 21:03	160m	0 / -24	DP6K	+10 / -4	5	✓ Full exchange observed
08-22 21:02	160m	0 / -8	SP5CJY	0 / +1	5	✓ Full exchange observed
08-19 20:55	160m	+2 / +10	SP5GW	-4 / -5	5	✓ Full exchange observed
08-19 20:53	160m	+4 / -5	DO7RMS	-4 / -15	5	✓ Full exchange observed
08-19 20:35	160m	+3 / +5	SP5GW	+4 / -11	5	✓ Full exchange observed
08-19 20:30	160m	+7 / -	S53V	- / -	2	Partial capture
08-19 20:26	160m	+2 / -6	IK6GPZ	-3 / -18	6	✓ Full exchange observed
08-19 20:22	160m	+1 / -16	EA1KE	-8 / -13	9	✓ Full exchange observed
08-19 20:19	160m	+4 / -	S53V	- / -	3	Partial capture
08-19 20:02	160m	+3 / -6	<...>	-18 / -16	5	Partial capture
08-19 19:40	160m	0 / -	JA7DXX	- / -	4	Partial capture
08-19 19:30	160m	+2 / -	JA7EVP	- / -	21	Partial capture
08-19 19:25	160m	+1 / -	JA7EVP	- / -	4	Partial capture
08-19 19:21	160m	-6 / -	JF8QNF	- / -5	4	✓ Closing fragment
08-19 19:18	160m	-6 / -	JA7EVP	- / -	4	Partial capture
08-17 20:58	160m	+5 / -	IK0HBN	- / -	8	Partial capture
08-17 20:47	160m	- / -	UA4FKT	-12 / -	2	Partial capture
08-17 20:45	160m	+6 / -4	DK2CC	-1 / -18	6	✓ Full exchange observed
08-17 20:37	160m	+6 / -18	SQ4KOU	-8 / -24	10	✓ Full exchange observed
08-17 20:35	160m	+6 / -6	SP6AXW	+14 / -10	5	✓ Full exchange observed
08-17 19:28	40m	-6 / -	OJ0JR	- / -11	7	✓ Closing fragment
08-17 19:24	40m	-3 / -	ES4TIX	- / -8	3	✓ Closing fragment
08-17 19:23	40m	-4 / -	BI1HJR	- / -21	2	✓ Closing fragment
08-17 19:17	160m	+2 / +1	SQ2BXI	+18 / -8	7	✓ Full exchange observed
08-17 19:13	160m	0 / -12	SP1MGM	-2 / -16	5	✓ Full exchange observed
08-17 17:10	160m	- / -	HA5UA	-1 / -	6	Partial capture
08-16 20:46	20m	-4 / -	KC1VUA	- / -21	7	✓ Closing fragment
08-16 20:35	20m	-7 / -	DL70ESSEN	- / -	10	Partial capture
08-16 20:31	20m	-5 / -	T43SD	- / -	6	Partial capture
08-16 20:26	20m	-4 / -	CR5VP	- / -	9	Partial capture
08-16 20:24	20m	-4 / -	UT2PC	- / +2	3	✓ Closing fragment
08-16 20:22	20m	-4 / -	K0BFG	- / -23	3	✓ Closing fragment
08-16 16:17	10m	- / -	SV1QN	-16 / -	2	Partial capture
08-16 07:19	20m	-4 / -	UK8FCM	- / -	3	Partial capture
08-16 07:16	20m	-3 / -	UN7PTN	- / -20	3	✓ Closing fragment
08-16 07:12	20m	+1 / -	EA8WU	- / -22	6	✓ Closing fragment
08-15 20:17	20m	- / -7	JA8EPO	-9 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
201745  +5 1582  KR3BST UX5UO KO50
201845  -1 1583  JE1NVD UX5UO KO50 (x4)
204115  -7 1583  LU1DA UX5UO KO50 (x2)
204200 -16  226  UX5UO LU1DA RR73
204215 -12 1582  LU1DA UX5UO 73
204630  +2 2347  UX5UO W4JVN -01 (x2)
210545  -1 1078  UX5UO WY5I -11 (x4)

160m

UTC    dB Audio  Message
210915  +6 1520  9A2RD UX5UO KO50 (x2)
211000 +15  862  UX5UO 9A2RD -11
211015  +1 1520  9A2RD UX5UO R+01
211030  +9  862  UX5UO 9A2RD RR73
211045  +6 1520  9A2RD UX5UO 73
211230  -2 1520  M0WNA UX5UO KO50 (x4)
213215  +3 1520  IW5DNZ UX5UO KO50 (x4)
214315  +0 1520  SP4TT UX5UO KO50

40m

UTC    dB Audio  Message
225530  -2 1407  LW1DZ UX5UO KO50 (x3)
192315  -4 1093  BI1HJR UX5UO R-21 (x2)
192415  -2 1093  ES4TIX UX5UO KO50 (x3)
192815  -4 1093  OJ0JR UX5UO KO50 (x7)

10m

UTC    dB Audio  Message
165215  -6 2189  UX5UO DM1TRO R+05 (x6)
170645 -23 1831  UX5UO F4NMY -02 (x3)
173815  +6 2505  UX5UO UR5QW -21 (x4)
161745 -16 1302  UX5UO SV1QN KM18 (x2)

80m

UTC    dB Audio  Message
201530  +8  749  UX5UO II9RICT -03
201545  +0  879  <...> UX5UO R-16
201745  +5  879  OZ2JUM UX5UO KO50 (x2)
201830  -3 1503  UX5UO OZ2JUM RR73
201845  +5  879  OZ2JUM UX5UO 73
202015 +13  879  II9RICT UX5UO KO50
202045  +9  879  <LZ370TL> UX5UO KO50
202100  -9  947  UX5UO MI0RTX IO65
202115 +10  879  LZ370TL UX5UO KO50
202130  +0  946  UX5UO MI0RTX -07
202145  +7  879  <LZ370TL> UX5UO KO50
202200  +3 1699  UX5UO LZ370TL +22
202200  -4  947  UX5UO MI0RTX R-07
202215  +8  879  LZ370TL UX5UO R-03

Decoder S/N history by band

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