UA3ZUX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO90

Receiver-side FT8 activity involving UA3ZUX, decoded by SO8OO in southeastern Poland. 1,299 related FT8 messages, 487 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 82 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

1,299

Related messages

487

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 17:31 UTC

Frequent QSO partners observed at SO8OO

Stations UA3ZUX worked most often, as logged from our receiver:

DL9KM · Fed. Rep. of Germany ×3 R95WTA · Asiatic Russia ×3 R4FDD · European Russia ×3 IQ0VT · Italy ×3 RA3ZOM · European Russia ×3 HA3FIC · Hungary ×2 UA3FH · European Russia ×2 R70OBN · European Russia ×2 TA3XEE · Asiatic Turkey ×2 RA4ADF · European Russia ×2 IK6GPZ · Italy ×2 OH5KNL · Finland ×2

Activity Heatmap

Locator transmitted by UA3ZUX

Approximate centre of KO90, decoded 2026-08-23 20:00 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	UA3ZUX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:30	160m	-7 / -12	LA7WCA	-16 / -17	5	✓ Full exchange observed
08-23 17:16	80m	+2 / -	UA3LNA	- / -15	4	✓ Closing fragment
08-23 17:14	40m	+13 / +3	R3KLE	-3 / -8	5	✓ Full exchange observed
08-23 12:53	20m	+6 / -	R9SB	-13 / -4	4	✓ Closing observed
08-22 08:22	10m	-14 / -	DF0AN	- / -9	3	✓ Closing fragment
08-22 07:21	40m	-7 / -16	IU2SLI	-4 / -14	5	✓ Full exchange observed
08-21 20:28	160m	-4 / -8	RA9MAI	-18 / -9	4	✓ Full exchange observed
08-21 20:26	160m	-3 / -6	LA6PTA	-21 / -	2	Partial capture
08-21 20:14	160m	-1 / -	UA0SCF	- / -	3	Partial capture
08-21 20:13	160m	+1 / -11	DO7RMS	0 / -17	5	✓ Full exchange observed
08-21 20:09	160m	0 / -	SP8AOV	- / -	4	Partial capture
08-21 19:58	160m	+3 / -	SP8AOV	- / -	2	Partial capture
08-21 19:49	160m	+2 / -7	DL8NW	-2 / -14	13	✓ Full exchange observed
08-21 19:46	160m	0 / -	R2EA/P	-17 / -14	4	✓ Closing observed
08-21 19:45	160m	+1 / -11	DL8NW	-6 / -14	3	Partial capture
08-21 19:43	160m	0 / 0	F5LEN	-20 / -13	5	✓ Full exchange observed
08-21 19:01	160m	0 / -	UA3FH	- / -13	2	✓ Closing fragment
08-21 17:56	160m	-3 / -	R2APU	- / -12	2	✓ Closing fragment
08-21 17:51	160m	-16 / -	R2ATY	- / -7	3	✓ Closing fragment
08-21 17:36	160m	-15 / -	RV6ANA	-18 / +3	4	✓ Closing observed
08-21 16:45	80m	-8 / -	UA4QK	-17 / +1	3	✓ Closing observed
08-21 15:27	40m	-3 / -	RW6AU	- / -3	3	✓ Closing fragment
08-20 19:02	160m	-7 / -	OH4TQ	- / -19	3	✓ Closing fragment
08-20 18:49	160m	-5 / -	UA3MRS	- / -22	5	Partial capture
08-20 18:47	160m	-8 / -12	SP6ZC	-12 / -21	5	✓ Full exchange observed
08-20 18:42	80m	+1 / -9	HA1DUQ	-13 / -	4	✓ Closing observed
08-20 14:24	40m	+4 / -	RK3AW	- / -18	2	✓ Closing fragment
08-20 14:05	20m	+1 / -15	F4FQT	-8 / -	3	✓ Closing observed
08-19 18:53	160m	-7 / -	R3DFE/M	- / -13	6	Partial capture
08-19 18:47	160m	-9 / -	R3DFE/M	- / -	3	Partial capture
08-19 18:45	80m	+5 / -15	SQ3JVA	-10 / -14	5	✓ Full exchange observed
08-19 18:31	80m	+6 / -	DL8NW	- / -	2	Partial capture
08-19 17:43	80m	+8 / -	HA1ZN	- / -	2	Partial capture
08-18 17:49	160m	-10 / -	UA3TFF	- / -10	4	✓ Closing fragment
08-18 16:47	80m	-4 / -	JE2OTM	- / -9	4	Partial capture
08-18 11:26	10m	- / -15	DO1ZK	-20 / -	3	✓ Closing fragment
08-17 17:36	80m	- / -	UB4FGK	-17 / -	4	Partial capture
08-17 17:36	80m	+6 / +3	RA4FHO	-5 / +1	5	✓ Full exchange observed
08-17 09:14	10m	-18 / -	DN9JGL	- / -	2	✓ Closing fragment
08-16 20:27	160m	-4 / -13	SP6AXW	+4 / -15	6	✓ Full exchange observed
08-16 19:59	160m	-5 / -	SP6AXW	- / -	18	Partial capture
08-16 19:46	160m	-5 / -	R4HLG	- / -17	3	✓ Closing fragment
08-16 19:40	160m	-13 / -19	YO3JW	-14 / -23	4	Partial capture
08-16 18:44	160m	0 / -	RA3QM	-5 / -10	5	✓ Full exchange observed
08-16 18:40	160m	-2 / +6	UA6ANQ	-17 / -2	5	✓ Full exchange observed
08-16 18:35	160m	-2 / 0	R5AV	-18 / -2	4	✓ Full exchange observed
08-16 18:31	160m	+5 / -	R3GO	- / +1	2	✓ Closing fragment
08-16 17:21	80m	-5 / -9	HA3FIC	+8 / -13	5	✓ Full exchange observed
08-16 14:33	40m	-3 / -	R4HMI	- / +3	2	✓ Closing fragment
08-16 14:26	40m	+2 / -	RY9W	- / -2	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
202000  +2 2246  UA0SCF UA3ZUX KO90 (x2)
202630  -3 2246  LA6PTA UA3ZUX KO90
202715 -21 2141  UA3ZUX LA6PTA -06
202800  -2 2246  RA9MAI UA3ZUX KO90
202815 -18 2246  UA3ZUX RA9MAI -08
202830  -7 2246  RA9MAI UA3ZUX R-09 (x2)
203515 -22 1360  UA3ZUX LA6PTA -06
193015  -8 1746  LA7WCA UA3ZUX KO90
193030 -16 1418  UA3ZUX LA7WCA -12
193045  -6 1746  LA7WCA UA3ZUX R-17
193100 -16 1418  UA3ZUX LA7WCA RR73
193115  -7 1746  LA7WCA UA3ZUX 73
200045  -1 1746  <...> UA3ZUX KO90

80m

UTC    dB Audio  Message
184545 -14 2142  UA3ZUX SQ3JVA RR73
184600  +7 2423  SQ3JVA UA3ZUX 73
184200  +2 1269  HA1DUQ UA3ZUX KO90 (x2)
184245 -13 1269  UA3ZUX HA1DUQ -09
184330  +0 1269  HA1DUQ UA3ZUX 73
164430 -12 1802  CQ UA3ZUX KO90                        a1 (x2)
164530  -7 2008  UA4QK UA3ZUX +01 (x2)
164615 -17 2008  UA3ZUX UA4QK 73
171630  -1 1299  UA3LNA UA3ZUX KO90 (x4)

40m

UTC    dB Audio  Message
142430  +4 2631  RK3AW UA3ZUX R-18 (x2)
152730  -4 2025  RW6AU UA3ZUX KO90 (x3)
072115  -5 2288  IU2SLI UA3ZUX KO90
072130  -3 2288  UA3ZUX IU2SLI -16
072145  -7 2288  IU2SLI UA3ZUX R-14
072200  -4 2288  UA3ZUX IU2SLI RR73
072215  -8 2288  IU2SLI UA3ZUX 73
171415 +11 2584  R3KLE UA3ZUX KO90
171430  -2 2585  UA3ZUX R3KLE +03
171445 +12 2584  R3KLE UA3ZUX R-08
171500  -4 2585  UA3ZUX R3KLE RR73
171515 +15 2584  R3KLE UA3ZUX 73

20m

UTC    dB Audio  Message
113030  +2 2824  DL8LTD UA3ZUX -11 (x2)
113130  +0 2824  EA1FJD UA3ZUX -15 (x2)
114730 -13 2471  JH2KVP UA3ZUX 73
140500 -12 2551  UA3ZUX F4FQT -15 (x2)
140545  +1 2551  F4FQT UA3ZUX 73
140615  +1 2552  SP6AMI UA3ZUX R-01
080915  +7 1077  IV3KFD UA3ZUX R-12
125315  +7  730  R9SB UA3ZUX KO90 (x2)
125400 -13  728  UA3ZUX R9SB RR73
125415  +2  729  R9SB UA3ZUX 73
125500 -10  888  UA3ZUX R9UBE NO35

10m

UTC    dB Audio  Message
091930  -6 2338  CQ UA3ZUX KO90 (x2)
092030  +1 2338  IU6CWS UA3ZUX -03 (x2)
104900 -18 2251  F6FHZ UA3ZUX -10
105430  -8 2735  CQ UA3ZUX KO90
105730  -5 2735  SE7LH UA3ZUX -04
091415 -17 1591  DN9JGL UA3ZUX KO90 (x2)
112630 -20 1937  UA3ZUX DO1ZK -15 (x3)
082245 -14  957  DF0AN UA3ZUX KO90 (x3)

60m

UTC    dB Audio  Message
192600  -4 1147  UA3ZUX 9A4ZM JN86 (x2)

Decoder S/N history by band

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