UA4WCS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO66

Receiver-side FT8 activity involving UA4WCS, decoded by SO8OO in southeastern Poland. 668 related FT8 messages, 53 CQ messages, observed on 80m, 40m, 20m, 10m, across 38 UTC dates. Heard between 2026-05-28 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

668

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-28
Last seen: 2026-08-23 19:10 UTC

Frequent QSO partners observed at SO8OO

Stations UA4WCS worked most often, as logged from our receiver:

R5GG · European Russia ×3 R3LDM · European Russia ×2 DL7ARV · Fed. Rep. of Germany ×2 F4HSB · France ×2 RA2FU · Kaliningrad ×2 DO9BAU · Fed. Rep. of Germany ×2 RJ3T · European Russia ×2 R2AKN · European Russia ×2 UI6A · European Russia ×2 R7CD · European Russia ×2 IZ0AEZ · Italy ×2 PD0LBY · Netherlands

Activity Heatmap

Locator transmitted by UA4WCS

Approximate centre of LO66, decoded 2026-08-23 20:51 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	UA4WCS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 21:07	80m	- / 0	RA6FYL	-5 / -	7	Partial capture
08-23 20:49	80m	-14 / -	RA6FYL	- / -	3	Partial capture
08-23 20:38	80m	- / -	9A4ZM	+9 / -	3	Partial capture
08-23 20:35	80m	0 / -14	DO9BAU	+1 / -14	13	✓ Full exchange observed
08-23 20:35	80m	-5 / -1	LB5WB	+8 / -	2	✓ Closing observed
08-23 20:34	80m	-4 / +5	R7CD	+9 / 0	3	✓ Full exchange observed
08-23 20:21	80m	- / -3	UB3BGN	+2 / -	2	Partial capture
08-23 20:20	80m	-13 / -18	RA0SCA	-15 / -6	4	✓ Full exchange observed
08-23 20:19	80m	-11 / -9	YT7DX	+7 / -12	5	✓ Full exchange observed
08-23 04:09	40m	- / -	LZ3CB	+4 / -	4	Partial capture
08-23 04:08	40m	- / -	F1IQH	-6 / -	4	Partial capture
08-22 19:17	80m	-8 / -	RL3F	- / -4	4	✓ Closing fragment
08-22 19:14	80m	+1 / -11	RA9FDR	-22 / +6	3	✓ Full exchange observed
08-22 19:11	80m	-1 / -	RQ3D	- / -21	6	Partial capture
08-22 19:09	80m	- / +1	R3TIT	-2 / -	2	✓ Closing fragment
08-22 19:07	80m	+3 / +1	R5BS	+4 / +7	7	✓ Full exchange observed
08-22 19:03	80m	-6 / -	R3TIT	- / -	5	Partial capture
08-22 19:02	80m	+5 / -	RA3YDA	0 / -9	4	✓ Closing observed
08-22 18:56	80m	0 / -	R1IO	- / -	6	Partial capture
08-22 18:53	80m	-4 / -	R1BED	- / -9	4	✓ Closing fragment
08-22 18:51	80m	-10 / -7	RK6OQ	+8 / -14	4	✓ Full exchange observed
08-22 18:45	80m	-19 / -11	EN35UKR	-5 / -	5	Partial capture
08-22 18:44	80m	- / 0	RZ6ASO	+1 / -	3	✓ Closing fragment
08-22 18:43	80m	-9 / -7	UA1OJL	-2 / -7	5	✓ Full exchange observed
08-22 18:38	80m	-8 / +5	R4FED	-6 / -	4	✓ Full exchange observed
08-22 18:36	80m	-10 / -	R5GG	- / -25	2	✓ Closing fragment
08-22 18:26	80m	-12 / -9	R1530IG	+1 / -	2	Partial capture
08-22 18:22	80m	-8 / -	UA9LP	- / -	2	Partial capture
08-22 18:18	80m	-2 / -19	R4HHN	-3 / -1	6	✓ Full exchange observed
08-22 18:18	80m	+7 / -2	R4UA	+6 / -	4	✓ Closing observed
08-22 17:18	40m	-14 / -20	R7IA	-6 / -	3	✓ Closing observed
08-22 16:28	40m	-5 / +3	RJ3T	-11 / -	3	✓ Closing observed
08-22 16:25	40m	-12 / -	UF4S/P	- / -	5	Partial capture
08-22 02:32	40m	-16 / -	CE2SQE	- / -	7	Partial capture
08-21 16:22	40m	-21 / -	R5GG	-16 / -	3	✓ Closing observed
08-21 16:20	40m	-24 / -5	RA3SO	-16 / -	3	✓ Closing observed
08-20 08:50	20m	- / -16	M8KKH	-10 / -	2	Partial capture
08-20 08:46	20m	- / -14	RG5A	+17 / -	2	✓ Closing fragment
08-15 18:26	40m	-18 / -	<...>	- / -	9	Partial capture
08-15 18:20	40m	-19 / -	<...>	- / -	3	Partial capture
08-11 20:01	80m	- / -	DL3MIB	+2 / -	7	Partial capture
08-11 19:59	80m	-1 / -5	ON6MX	0 / -13	5	✓ Full exchange observed
08-11 19:58	80m	-8 / -	R1FE	- / -	2	Partial capture
08-11 19:58	80m	- / -9	SV1EKI	-4 / -	8	✓ Closing fragment
08-11 19:51	80m	-17 / -6	SP8NR	+6 / -12	7	✓ Full exchange observed
08-11 19:48	80m	-12 / -7	RA2FU	-3 / -20	6	✓ Full exchange observed
08-11 19:45	80m	-7 / -11	5P1KZX	+4 / -23	5	✓ Full exchange observed
08-11 19:42	80m	-6 / -13	S59A	+15 / -16	6	✓ Full exchange observed
08-11 19:41	80m	-8 / -14	JA1ILA	-6 / -6	5	✓ Full exchange observed
08-11 19:38	80m	-11 / -2	R9FF	-16 / -	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
204015  +5 2202  UA4WCS DO9BAU R-14
204030  -4 2201  DO9BAU UA4WCS RR73
204045  +6 2202  UA4WCS DO9BAU 73 (x3)
204915 -10 1495  RA6FYL UA4WCS LO66 (x3)
210700  -2 1496  UA4WCS RA6FYL R+00 (x7)

40m

UTC    dB Audio  Message
171815  -6 2383  UA4WCS R7IA -20 (x2)
040815  -4 1237  UA4WCS F1IQH JN27 (x3)
040915  +5  850  UA4WCS LZ3CB KN32
040945  -7 1237  UA4WCS F1IQH JN27
040945  +3  850  UA4WCS LZ3CB KN32
041015  -9 1234  UA4WCS UA3WG 73
041015  +6  850  UA4WCS LZ3CB KN32 (x2)
041645 -24 1238  UA4WCS SP7TF -24
041715  +7 2687  UA4WCS F1PBZ -14
042245  -6 2603  UA4WCS R2EA/P RR73
043330 -14 1019  UA4WCS UB3DQR RR73

20m

UTC    dB Audio  Message
081230 -14 1657  UA4WCS <...> -25
085430 -13 1918  UA4WCS R5FN/6/M -11
093100 -14 2257  RZ0SN UA4WCS R-20 (x2)
143315 -17  825  RA9J UA4WCS LO66 (x2)
150915 -17 1115  CS8ABF UA4WCS LO66
133345 -15 2176  UB0SEG UA4WCS LO66 (x3)
133715 -18 1104  RA0WBW UA4WCS LO66
084645 +13  556  UA4WCS RG5A -14 (x2)
085030 -11 2156  UA4WCS M8KKH -16 (x2)

10m

UTC    dB Audio  Message
083715  -5 2275  UA4WCS UI6A -12
083745  -4  542  UA4WCS RG5A KN93
083745  -6 2276  UA4WCS UI6A RR73
083915 -13  499  UA4WCS EA5AR IM99
083915  -9  542  UA4WCS RG5A KN93
083945 -24 1900  UA4WCS R6AC LN05
084245 -12  499  UA4WCS EA5AR IM99 (x2)
100730 -15 1611  UA4WCS RW6HP LN14 (x3)
110315 -16 1960  UA4WCS A61FJ RR73
112215  +3 2740  UA4WCS RZ6L KN97 (x3)

Decoder S/N history by band

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