UA3QOS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO91

Receiver-side FT8 activity involving UA3QOS, decoded by SO8OO in southeastern Poland. 144 related FT8 messages, 10 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-04-28 and 2026-07-23.

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

144

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-04-28
Last seen: 2026-07-23 16:13 UTC

Frequent QSO partners observed at SO8OO

Stations UA3QOS worked most often, as logged from our receiver:

VU3XFC · India ×4 TA8AIR · Asiatic Turkey LW2EUZ · Argentina SP1EG · Poland 9A9N · Croatia W1CCO · United States PS8CW · Brazil 7Q9PTP · Malawi BG5JPL · China R9MW · Asiatic Russia UA1AOF · European Russia EA8UP · Canary Islands

Activity Heatmap

Locator transmitted by UA3QOS

Approximate centre of KO91, decoded 2026-07-23 18:09 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	UA3QOS S/N	Counterpart	Counterpart S/N	Msgs	Capture
07-23 18:11	20m	-16 / -	PD1HBL	- / -25	2	Partial capture
07-23 18:10	20m	-16 / -3	G1LQT	-5 / -	5	✓ Closing observed
07-23 18:09	20m	- / -	F4IIX	0 / -	4	Partial capture
07-23 18:06	20m	-13 / -	OS4K	- / -25	6	✓ Closing fragment
07-23 18:03	20m	-14 / -	YO5PHL	- / -23	2	✓ Closing fragment
07-23 17:52	20m	-16 / -	BG7KEO	- / -15	3	✓ Closing fragment
07-23 17:51	20m	-16 / -	BG7BVI	- / -6	2	✓ Closing fragment
07-23 17:48	20m	- / -	R4FDW	-10 / -	3	Partial capture
06-24 10:30	20m	- / -	SP1EG	-8 / -	2	✓ Closing fragment
06-19 17:33	20m	-13 / -22	UA4FEN	-7 / -	4	✓ Closing observed
06-19 17:31	20m	-12 / -	7Z1CB	- / -	2	Partial capture
06-19 17:21	20m	-9 / +2	A61CK	+4 / 0	5	✓ Full exchange observed
06-19 17:19	20m	-15 / -	N1PHR	- / -19	2	Partial capture
06-19 17:16	20m	-10 / -	A61CK	- / -	2	Partial capture
06-19 17:11	20m	- / -	GE3ZQQ	+2 / -	3	Partial capture
06-19 17:03	20m	-4 / -	WA9BZW	- / -19	3	Partial capture
06-17 16:37	20m	-10 / -	BD5CAM	-7 / -13	3	✓ Closing observed
06-14 17:11	20m	- / -16	IQ4JO	-2 / -	3	✓ Closing fragment
06-13 18:59	40m	-13 / -	UN3QA	- / -11	3	✓ Closing fragment
06-13 18:51	40m	-4 / -	YU65AEC	- / -8	4	Partial capture
06-13 18:48	40m	-8 / 0	RA6FC	-5 / +7	4	Partial capture
06-13 18:48	40m	-6 / -	YU65AEC	- / -	2	Partial capture
06-13 18:12	10m	-6 / -	EA8DIB	- / -	2	Partial capture
06-13 18:11	10m	-9 / -	EA8DLW	- / +3	3	✓ Closing fragment
06-13 18:09	10m	- / -	DN9AD	-3 / -	3	Partial capture
06-13 18:05	10m	-1 / -	S55A	- / -11	2	✓ Closing fragment
06-13 18:03	10m	-11 / -	PU2FPO	- / -2	3	✓ Closing fragment
06-13 18:01	10m	-8 / -	LU3DXU	- / -10	2	✓ Closing fragment
06-13 17:58	10m	-10 / -	LW2EUZ	- / -16	4	✓ Closing fragment
06-13 17:57	10m	-9 / -	OK1FRG	- / -7	2	✓ Closing fragment
06-13 17:54	10m	-12 / -	PP5ZM	- / -16	2	✓ Closing fragment
06-13 17:52	10m	-2 / -	LW4ERH	- / -15	3	✓ Closing fragment
06-13 17:49	10m	-7 / -	PY1USK	- / -	3	Partial capture
06-13 17:47	10m	-10 / -	PU3YFD	- / -	2	Partial capture
06-13 17:44	10m	-6 / -	PY2FWM	- / -	2	Partial capture
06-13 17:42	10m	-16 / -	7Q3CM	- / -	4	✓ Closing fragment
06-13 17:41	10m	-8 / -	CA1NPK	- / -19	2	✓ Closing fragment
06-13 17:37	10m	-7 / -	PS8CW	- / -	3	✓ Closing fragment
06-01 18:03	20m	- / -3	R95WTA	-12 / -	2	Partial capture
06-01 18:02	20m	+3 / -	W1GRL	- / -	3	Partial capture
06-01 17:58	20m	-7 / -3	R95WTA	-11 / -	4	Partial capture
06-01 17:54	20m	-8 / -19	G0JEI	-17 / -14	2	Partial capture
06-01 17:51	20m	-3 / -	RL1B	- / -13	3	✓ Closing fragment
06-01 17:50	20m	+1 / -	IZ0ZIP	- / 0	2	✓ Closing fragment
06-01 17:48	20m	+2 / -6	TL8BNW	-5 / -11	3	Partial capture
06-01 17:46	20m	+2 / -	TA3RAM	- / +5	2	Partial capture
06-01 17:43	20m	+2 / -	TA8AIR	- / -6	3	✓ Closing fragment
05-31 16:15	10m	-9 / -	SP2LNY	- / -8	4	✓ Closing fragment
05-31 16:11	10m	-12 / -	OJ0MN	- / -9	2	Partial capture
05-31 16:08	10m	-8 / -	U1BD	- / -16	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
180800 -14 2284  OS4K UA3QOS R-25 (x2)
180900 -14 2283  CQ UA3QOS KO91
180945  -3 2648  UA3QOS F4IIX IN95
181000 -16 2283  DG5LP UA3QOS RR73
181015  +3 2648  UA3QOS F4IIX IN95 (x2)
181045  -8 1677  UA3QOS G1LQT -03
181115  -1 2648  UA3QOS F4IIX IN95
181115  -3 1677  UA3QOS G1LQT -03
181130 -15 2284  PD1HBL UA3QOS -25
181145  -4 1677  UA3QOS G1LQT -03
181200 -17 2283  PD1HBL UA3QOS -21
181345  -4 1677  UA3QOS G1LQT RRR
181400 -16 2283  G1LQT UA3QOS 73

10m

UTC    dB Audio  Message
180345 -13 1908  PU2FPO UA3QOS KO91 (x3)
180545  -1  754  S55A UA3QOS -11 (x2)
180915  -2  877  LU4VMR UA3QOS KO91
180945  -4 2571  UA3QOS DN9AD JO52 (x2)
181100 -11 1592  EA8DLW UA3QOS KO91
181115  -6 2571  UA3QOS DN9AD JO52
181130  -8 1592  EA8DLW UA3QOS R+03 (x2)
181245  -8 2038  EA8DIB UA3QOS KO91 (x2)
084045 -13  991  UA3QOS OD5JL -17

160m

UTC    dB Audio  Message
192200 -19 2012  RA3LCI UA3QOS 73

40m

UTC    dB Audio  Message
184800  -6 2049  YU65AEC UA3QOS KO91
184815  -5  989  UA3QOS RA6FC LN13
184830  -5 2049  YU65AEC UA3QOS KO91
184845  -7  989  UA3QOS RA6FC LN13
184900  -8 2049  RA6FC UA3QOS +07
184915  -4  989  UA3QOS RA6FC R+00
185130  -2 2049  YU65AEC UA3QOS R-08 (x4)
185900 -13 2049  UN3QA UA3QOS KO91 (x3)
190300 -13 2050  JA7JPZ UA3QOS KO91

Decoder S/N history by band

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