UA4COA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO42

Receiver-side FT8 activity involving UA4COA, decoded by SO8OO in southeastern Poland. 715 related FT8 messages, 400 CQ messages, observed on 80m, 40m, 20m, 10m, across 28 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

715

Related messages

400

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 12:17 UTC

Frequent QSO partners observed at SO8OO

Stations UA4COA worked most often, as logged from our receiver:

F4HSB · France ×2 G6LEE · England ×2 RA6FSV · European Russia ×2 IU4QQE · Italy UB3DLM · European Russia LB2YJ · Norway RA6ZD · European Russia G6ZRV · England SV1OML · Greece RZ4FWA · European Russia DL6EL · Fed. Rep. of Germany R3ZP · European Russia

Activity Heatmap

Locator transmitted by UA4COA

Approximate centre of LO42, decoded 2026-08-23 14:17 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	UA4COA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 14:10	20m	-8 / +9	G6ZRV	+5 / -3	5	✓ Full exchange observed
08-23 14:08	20m	-11 / -	PD0JHM	- / -2	2	Partial capture
08-23 14:00	20m	-4 / -	DL1R	-7 / +4	21	Partial capture
08-23 13:58	20m	- / -15	CT1EGA	-3 / -	4	Partial capture
08-23 13:56	20m	-10 / -	BH2WTV	- / -2	4	Partial capture
08-22 17:01	40m	-8 / 0	RZ7RCP	-12 / -	3	✓ Closing observed
08-22 16:55	40m	- / +2	RD7LC	0 / -	2	✓ Closing fragment
08-22 16:52	40m	-8 / -	UA3WG	- / -2	2	Partial capture
08-22 16:49	40m	-10 / -	R9OON	- / -11	2	Partial capture
08-22 16:47	40m	-10 / -	R6XW	- / -9	3	Partial capture
08-22 16:45	40m	-8 / -	RT9YO	- / -11	2	Partial capture
08-22 16:44	40m	-9 / +1	RX3DQ	-8 / -	3	✓ Closing observed
08-22 16:42	40m	-10 / +4	R5ACQ	-4 / -4	6	✓ Full exchange observed
08-22 16:42	40m	-12 / -15	RZ6AKF	+3 / +4	4	✓ Full exchange observed
08-22 16:40	40m	- / -	PA2RO	+1 / -	3	Partial capture
08-19 11:24	20m	+2 / -	RD3ADW	- / 0	2	Partial capture
08-19 11:21	20m	0 / -	EW6CB	- / -8	2	Partial capture
08-19 11:20	20m	0 / -	RD1A	- / -	2	✓ Closing fragment
08-19 11:16	20m	-1 / -	OK1DVN	- / -12	5	Partial capture
08-19 11:15	20m	-10 / -3	F4HSB	-19 / -14	5	✓ Full exchange observed
08-19 11:13	20m	- / -	UA9CK	-18 / -	2	Partial capture
08-19 11:11	20m	-2 / -	F6BHK	- / -10	2	Partial capture
08-19 11:09	20m	-7 / -	TA3NK	- / -7	2	Partial capture
08-19 11:05	20m	-8 / -	R1IK	- / -11	2	Partial capture
08-19 11:04	20m	-5 / -	F1IQH	- / -15	2	Partial capture
08-19 11:03	20m	-6 / -	RK6AH	-24 / -2	3	✓ Closing observed
08-15 07:40	20m	+4 / -	SP9SOS	- / -3	4	✓ Closing fragment
08-15 07:38	20m	+6 / -	RW0AE	- / -23	2	✓ Closing fragment
08-15 07:33	20m	+1 / -	OE8PIT	-16 / -19	5	Partial capture
08-15 07:27	20m	+3 / -	F4IIX	0 / -14	5	✓ Closing observed
08-15 07:19	20m	+2 / -	OK2PHI	- / -2	4	Partial capture
08-15 07:15	20m	-1 / -17	TA3NK	-12 / -11	6	Partial capture
08-15 07:11	20m	-2 / -	OH3MB	- / -	2	Partial capture
08-15 07:07	20m	0 / -	F4EDB	-12 / +1	4	✓ Closing observed
08-15 07:04	20m	-4 / +6	IZ5BLN	-6 / -14	9	✓ Full exchange observed
08-15 07:00	20m	0 / -	IK2ECC	-10 / -21	7	✓ Closing observed
08-15 06:53	20m	+2 / -	K5QXJ	- / -16	3	Partial capture
08-15 06:50	20m	+9 / -12	R4FDD	+3 / -16	5	Partial capture
08-15 06:43	20m	- / +9	EA6UE	-13 / -	4	✓ Closing fragment
08-15 06:39	20m	-8 / -	F5GPE	- / -9	2	Partial capture
08-15 06:36	20m	- / -6	IK2SND	-8 / -	3	✓ Closing fragment
08-12 05:02	20m	-13 / -	RA6FSV	- / -10	2	✓ Closing fragment
08-12 05:01	20m	-10 / -	UB3LCO	- / +8	2	✓ Closing fragment
08-12 04:58	20m	-12 / -	PD2WL	- / +4	2	✓ Closing fragment
08-12 04:54	20m	- / -	EA3GXK	-5 / -	2	Partial capture
08-09 14:41	20m	-10 / -8	F1SAA	-15 / -15	5	✓ Full exchange observed
08-09 14:36	20m	-8 / -25	PA2AMJ	-19 / -7	3	✓ Full exchange observed
08-09 14:33	20m	-12 / -	DH2RL	- / -4	2	Partial capture
08-09 14:31	20m	-11 / -	G0GTV	- / -24	3	Partial capture
08-09 14:25	20m	-3 / -	RZ5D	- / -12	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
140445  -6 2094  DL1R UA4COA +08 (x3)
140615  -3 2094  CQ UA4COA LO42 (x2)
140815 -13 2094  PD0JHM UA4COA -02 (x2)
140915  -8 2094  CQ UA4COA LO42 (x2)
141030  +3 1571  UA4COA G6ZRV JO02
141045  -5 2094  G6ZRV UA4COA -03
141100  +5 1571  UA4COA G6ZRV R+09
141115 -11 2093  G6ZRV UA4COA RRR
141130  +6 1571  UA4COA G6ZRV 73
141745  -1 2093  CQ UA4COA LO42

40m

UTC    dB Audio  Message
165345  -7 2052  CQ UA4COA LO42 (x3)
165500  +1 2606  UA4COA RD7LC +02 (x2)
165700 -16 2068  UA4COA EW7LZ KO43
165845  -7 2051  CQ UA4COA LO42 (x5)
170100  -9 2052  UA4COA RZ7RCP +00 (x2)
170145  -8 2052  RZ7RCP UA4COA 73
170245  -6 2053  CQ UA4COA LO42

10m

UTC    dB Audio  Message
131115  -7 1178  UA4COA PA3BRB JO32 (x5)
131915 -18 1052  UA4COA RA6AR KN93
132915 -11  663  UA4COA PF1B JO22 (x2)
163700 -12  884  UA4COA PD0CIF R-12 (x2)
164100 -11  884  UA4COA ON5JDB 73
065830 -24 1534  UA4COA UI5A R-14
070700 -13  982  UA4COA R6TA LN13 (x3)

80m

UTC    dB Audio  Message
190645  -1  905  UA4COA YO4LUP KN43
190645  -1 2008  UA4COA R3ZP KO80
190645  -3 1706  UA4COA RZ3ZY 73
190715  -3 2008  UA4COA R3ZP R+03
190730  +0 1702  R3ZP UA4COA RR73
190745  -3  905  UA4COA YO4LUP KN43
190745  +1 2007  UA4COA R3ZP 73
190800  +0 1702  YO4LUP UA4COA -10
190830  -3 1702  CQ UA4COA LO42 (x3)
191130  +0 1703  SV1OML UA4COA -19
191215  -6 1499  UA4COA SV1OML 73
191230  +2 1703  CQ UA4COA LO42 (x2)

Decoder S/N history by band

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