UT7UB — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving UT7UB, decoded by SO8OO in southeastern Poland. 310 related FT8 messages, 53 CQ messages, observed on 80m, 40m, 20m, 10m, across 49 UTC dates. Heard between 2026-05-26 and 2026-08-22.

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

310

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-26
Last seen: 2026-08-22 12:31 UTC

Frequent QSO partners observed at SO8OO

Stations UT7UB worked most often, as logged from our receiver:

IK4LZH · Italy ×4 F1PBZ · France ×4 F4HSB · France ×3 TN8GD · Republic of the Congo ×2 TA3XEE · Asiatic Turkey ×2 SV1GYN · Greece ×2 YO9BPX · Romania PA0ION · Netherlands DK3HV · Fed. Rep. of Germany VP2MAA · Montserrat KC1MMC · United States NP3IR · Puerto Rico

Activity Heatmap

Locator transmitted by UT7UB

Approximate centre of KO50, decoded 2026-08-20 14:56 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	UT7UB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 14:29	20m	-6 / -10	PA2KV	+3 / -12	7	✓ Full exchange observed
08-22 12:09	20m	- / -11	F1PSX	-11 / -	3	✓ Closing fragment
08-20 14:54	20m	-1 / -	YO9BPX	- / -5	2	✓ Closing fragment
08-20 14:52	20m	0 / -	UT4QM	-2 / -10	3	✓ Closing observed
08-20 14:51	20m	-2 / -	EA4IDN	- / -14	2	✓ Closing fragment
08-20 14:45	10m	- / -	PA1GLD	-9 / -	5	Partial capture
08-12 18:24	20m	+3 / -	D2ACE	- / -	4	Partial capture
08-12 12:53	10m	- / -20	F4EMG	-7 / -	3	✓ Closing fragment
08-12 12:51	10m	- / -1	DG2SAT	-3 / -	3	✓ Closing fragment
08-11 07:28	20m	- / -	DK5OPA	-7 / -	2	Partial capture
08-05 11:41	20m	- / -	F1PSX	-19 / -	5	Partial capture
08-05 11:40	20m	- / 0	IK4LZH	+8 / -	4	✓ Closing fragment
08-04 11:01	20m	- / -	IX1HPN	-20 / -	2	Partial capture
08-04 10:58	20m	- / -	R4FDD	-12 / -	2	Partial capture
08-03 16:25	20m	- / -	RN6MA	-10 / -	3	Partial capture
08-02 20:20	80m	+8 / -	DL9KM	- / -17	3	✓ Closing fragment
08-02 20:19	80m	+3 / -	IZ7BAR	-14 / -16	4	✓ Closing observed
08-02 20:17	80m	-2 / +9	SN4K	+5 / -10	5	✓ Full exchange observed
08-02 20:15	80m	- / -	UA4FKT	-1 / -	3	Partial capture
08-01 17:58	20m	- / +2	GJ0KYZ	-13 / -	3	✓ Closing fragment
07-31 10:02	20m	- / -10	F4HSB	-12 / -	4	✓ Closing fragment
07-31 10:02	20m	- / -11	RN6MA	+2 / -	4	Partial capture
07-31 09:55	20m	- / -4	RN6MA	+7 / -	3	Partial capture
07-31 09:52	20m	- / -	RZ4FWA	-19 / -	3	Partial capture
07-30 14:19	20m	- / -	I4WQH	-6 / -	2	✓ Closing fragment
07-30 10:42	20m	- / +9	RN6MA	-5 / -	3	Partial capture
07-29 12:20	20m	- / +4	IK4LZH	+8 / -	4	✓ Closing fragment
07-29 12:19	20m	- / -5	F4HSB	-22 / -	4	✓ Closing fragment
07-29 12:16	20m	- / -	IS0/IK2YCW	-7 / -	3	Partial capture
07-29 12:16	20m	- / -	RN6MA	-20 / -	2	Partial capture
07-29 11:47	20m	- / +2	RN6MA	-9 / -	3	Partial capture
07-29 11:30	20m	- / -	RN6MA	-7 / -	3	Partial capture
07-29 11:29	20m	- / -13	DK3HV	-14 / -	2	✓ Closing fragment
07-29 11:23	20m	- / -	DL1R	-7 / -	6	Partial capture
07-29 06:59	20m	- / +7	RN6MA	-12 / -	2	Partial capture
07-27 11:35	20m	-21 / -19	F1PBZ	0 / -	3	✓ Closing observed
07-25 16:49	20m	-10 / -	DS2MGT	- / -22	2	Partial capture
07-25 16:47	20m	-20 / -	BG5BNW	- / -19	2	✓ Closing fragment
07-24 02:12	40m	- / -13	RN6MA	-8 / -	3	Partial capture
07-24 01:59	40m	- / -2	WP4U	-12 / -	3	✓ Closing fragment
07-24 01:57	40m	- / -3	F5SJC	-17 / -	3	✓ Closing fragment
07-22 07:31	10m	- / -	IK4LZH	+6 / -	2	Partial capture
07-22 07:20	20m	- / -	F4LNM	-6 / -	5	Partial capture
07-21 10:08	10m	-14 / -4	F4FSY	-16 / -7	4	✓ Full exchange observed
07-21 10:07	10m	-14 / -	SV1GYN	- / -11	2	✓ Closing fragment
07-21 07:57	20m	-18 / -	SV1GYN	- / -16	2	✓ Closing fragment
07-17 22:31	20m	-11 / -	K5VYT	- / -22	4	✓ Closing fragment
07-17 22:26	20m	-8 / -	YV6BXN	- / -	5	Partial capture
07-17 10:39	20m	- / -6	RN6MA	-11 / -	3	Partial capture
07-15 06:47	20m	- / -9	F1PBZ	0 / -	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
145330  -3 2577  CQ UT7UB KO50
145400  +0 2578  YO9BPX UT7UB -05 (x2)
145600  +4 2577  CQ UT7UB KO50 (x2)
120915 -12 2270  UT7UB F1PSX JN08 (x3)
142945  +3 2710  UT7UB PA2KV JO33
143000  -9 2709  PA2KV UT7UB -12
143015  +1 2710  UT7UB PA2KV R-10
143030  -2 2709  PA2KV UT7UB RR73
143045  +3 2710  UT7UB PA2KV R-10
143100  -7 2709  PA2KV UT7UB RR73
143115  +6 2710  UT7UB PA2KV 73

10m

UTC    dB Audio  Message
101100 -19 2229  CQ UT7UB KO50
073115  +4  492  UT7UB IK4LZH JN54 (x2)
114930 -12  521  UT7UB T77RN RR73
125115  -6 2001  UT7UB DG2SAT JN48 (x3)
125315  -8  948  UT7UB F4EMG JO00 (x3)
144545  -8 1591  UT7UB PA1GLD JO21 (x5)

80m

UTC    dB Audio  Message
201645  +1 2048  UT7UB UA4FKT LO23
201700  +6 1731  CQ UT7UB KO50
201715  +9 1732  UT7UB SN4K KO03
201730  -3 1731  SN4K UT7UB -10
201745  +6 1732  UT7UB SN4K R+09
201800  +0 1731  SN4K UT7UB RR73
201815  -1 1731  UT7UB SN4K 73
201830  -1 1731  CQ UT7UB KO50
201900  -4 1731  IZ7BAR UT7UB -16 (x3)
202015 -14 1504  UT7UB IZ7BAR 73
202030  +7 1731  DL9KM UT7UB -17 (x3)

40m

UTC    dB Audio  Message
015345 -12 1787  UT7UB UA4FKT LO23
015430 -23 1785  CQ UT7UB KO50
015445 -14 1787  UT7UB UA4FKT LO23
231730  -8  746  VP2MAA UT7UB KO50
000030 -18 2365  CQ UT7UB KO50
015745 -18 1974  UT7UB F5SJC JN05 (x3)
015945 -12 1298  UT7UB WP4U FK68 (x3)
021245  -8 2180  UT7UB RN6MA -13 (x3)
021215  -5 2835  UT7UB F1PBZ RR73

Decoder S/N history by band

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