UA4QK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO45

Receiver-side FT8 activity involving UA4QK, decoded by SO8OO in southeastern Poland. 753 related FT8 messages, 6 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 43 UTC dates. Heard between 2026-06-02 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

753

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-06-02
Last seen: 2026-08-23 14:22 UTC

Frequent QSO partners observed at SO8OO

Stations UA4QK worked most often, as logged from our receiver:

RD6OX · European Russia ×3 RQ7O · European Russia ×2 R0SAF · Asiatic Russia ×2 UA3ZUX · European Russia ×2 R4NBV · European Russia ×2 R6OP · European Russia ×2 RA1AUS/P · European Russia UF4S/P · European Russia R3MBV · European Russia YO6LM · Romania RA3TOS · European Russia RA3XFR · European Russia

Activity Heatmap

Locator transmitted by UA4QK

Approximate centre of LO45, decoded 2026-08-23 16:49 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	UA4QK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 16:46	40m	-6 / -	<...>	- / -12	6	Partial capture
08-23 16:33	40m	-13 / -	UB4FJC	- / -12	5	✓ Closing fragment
08-23 16:21	40m	- / -	UA3WG	0 / -	2	✓ Closing fragment
08-23 16:19	40m	-9 / +3	RN7T	-6 / -4	4	✓ Full exchange observed
08-23 16:19	40m	-7 / +7	R3WDW	+9 / -	5	✓ Closing observed
08-23 16:18	40m	-8 / -	UA1ZQN	- / -16	3	✓ Closing fragment
08-23 16:09	40m	- / -	DL5DQZ	+3 / -	11	Partial capture
08-23 16:07	40m	-13 / -	RC9UA	- / -16	3	✓ Closing fragment
08-23 15:46	40m	- / -8	R6HD	-7 / -	3	✓ Closing fragment
08-22 18:39	80m	-6 / -	<...>	- / -12	3	Partial capture
08-22 16:54	40m	- / -	9A4ZM	+1 / -	3	Partial capture
08-22 16:49	40m	-9 / -11	UF4S/P	-16 / -16	16	✓ Full exchange observed
08-22 16:32	40m	-14 / -	UF4S/P	- / -	3	Partial capture
08-22 16:30	40m	-8 / -	RW9H/M	- / -	2	Partial capture
08-22 16:26	40m	-15 / -	UF4S/P	- / -	3	Partial capture
08-22 12:41	20m	-11 / -	R7ZY	-8 / -9	3	✓ Closing observed
08-21 17:12	80m	-5 / -	R6ZEJ	- / -1	3	✓ Closing fragment
08-21 17:07	80m	-5 / -	UB0SMX/P	- / -6	7	Partial capture
08-21 17:04	80m	- / -12	R4CFH	-8 / -	3	✓ Closing fragment
08-21 17:03	80m	- / -	R6ML	-2 / -	3	Partial capture
08-21 17:02	80m	-13 / +4	RU4SS	-19 / +2	4	✓ Full exchange observed
08-21 17:01	80m	-17 / +3	RA3GZ	+2 / +4	5	✓ Full exchange observed
08-21 16:59	80m	- / -	R6ML	-2 / -	3	Partial capture
08-21 16:59	80m	-20 / -8	RA1TR	-6 / -8	5	✓ Full exchange observed
08-21 16:57	80m	-18 / +7	RY3F	-13 / -	4	✓ Closing observed
08-21 16:47	80m	- / -1	RA6FC	0 / -	2	✓ Closing fragment
08-21 16:45	80m	-17 / +1	UA3ZUX	-8 / -	3	✓ Closing observed
08-21 16:37	40m	-2 / -	RA9UJ	- / -9	2	Partial capture
08-21 16:35	40m	-2 / -	RA9LL	- / -6	3	✓ Closing fragment
08-21 16:32	40m	-5 / +1	UA3SCF	-8 / +2	5	✓ Full exchange observed
08-21 16:28	40m	- / -	RA6FC	-2 / -	4	Partial capture
08-21 16:27	40m	-13 / -	UB8CSU	- / -	4	Partial capture
08-21 16:26	40m	-10 / -	RW9WJ	-14 / -	2	✓ Closing observed
08-21 16:25	40m	- / -	UA3RBM	-9 / -	2	✓ Closing fragment
08-20 18:53	40m	- / -	F5OYA/P	-16 / -	4	Partial capture
08-20 18:45	40m	- / -	F5OYA/P	-16 / -	6	Partial capture
08-20 18:42	40m	- / -	F5OYA/P	-16 / -	2	Partial capture
08-20 18:39	40m	-8 / -	R3ICU	-8 / -2	5	✓ Full exchange observed
08-20 18:36	40m	- / -14	R2EA/P	-6 / -	2	✓ Closing fragment
08-20 18:26	40m	-6 / 0	RD4AAK	-18 / -6	4	✓ Full exchange observed
08-20 18:26	40m	- / -	F5RRS	+1 / -	4	Partial capture
08-20 18:24	40m	-6 / -	UB2FEK	- / -9	3	✓ Closing fragment
08-20 18:13	40m	-8 / -3	DL1DXX	+3 / -7	4	✓ Full exchange observed
08-20 18:12	40m	-8 / -1	R3LAF	-10 / -9	4	✓ Full exchange observed
08-20 18:10	40m	- / -	IZ0AEZ	-1 / -	6	Partial capture
08-20 18:06	40m	- / +1	R6ZCE	-8 / -	2	✓ Closing fragment
08-20 18:02	40m	-13 / -	RA1QCZ	- / -	2	Partial capture
08-20 17:59	40m	- / -5	DL1DXX	-3 / -	3	Partial capture
08-20 17:58	40m	- / -	F5RRS	-3 / -	5	Partial capture
08-20 17:57	40m	-6 / -	R3PLN/P	- / -11	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
162130  +0 2317  UA4QK UA3WG KO71
162130  +8  269  UA4QK R3WDW 73
162130  +0 2560  UA4QK RD7LC -03
162230  +1 2317  UA4QK UA3WG 73
163315 -14 1617  UB4FJC UA4QK LO45 (x5)
164600  -2 1617  <...> UA4QK LO45 (x6)

80m

UTC    dB Audio  Message
170545  -9 1808  UA4QK R4CFH 73
170715  -8  708  UB0SMX/P UA4QK LO45 (x7)
171245  -4  779  R6ZEJ UA4QK LO45 (x3)
183915  -6 2432  <...> UA4QK LO45 (x2)
184030 -21 2072  UA4QK RW9H/M -05
184045  -5 2432  <...> UA4QK R-12

20m

UTC    dB Audio  Message
053330  -7 1322  RA6OD UA4QK R-15
053345  -3 1322  UA4QK LZ2SPD KN22
053400  -6 1322  RA6OD UA4QK R-15 (x3)
124815 -11 2419  <...> UA4QK LO45
125000 -13 2420  UA4QK DJ0MAB JN49 (x2)
131200  +2 2133  UA4QK RG5A KN93 (x4)
124145 -11 2278  R7ZY UA4QK LO45 (x2)
124230  -8 2050  UA4QK R7ZY RR73

160m

UTC    dB Audio  Message
184530 -15 2363  UA4QK R6OI RR73
185130  -8 1575  UA4QK R6ML LN17 (x4)
185330 -22 1445  UA4QK R2SN -22
192315 -19 1346  UA4QK UA4HY -10
182530 -13 1746  UA4QK UA3ZUX RR73
185615 -21 1884  UA4QK UA3DIB KO85 (x2)
182630 -16 2006  UA4QK R2SDZ KO94 (x2)

10m

UTC    dB Audio  Message
071800 -23 2102  UA4QK RV6HE -03

Decoder S/N history by band

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