UB3YCK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO81

Receiver-side FT8 activity involving UB3YCK, decoded by SO8OO in southeastern Poland. 1,472 related FT8 messages, 896 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-06-18 and 2026-08-17.

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

1,472

Related messages

896

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-06-18
Last seen: 2026-08-17 15:11 UTC

Frequent QSO partners observed at SO8OO

Stations UB3YCK worked most often, as logged from our receiver:

RA4ADF · European Russia ×2 RZ6LY · European Russia ×2 IK4LZH · Italy ×2 SQ2BXI · Poland ×2 RA2FU · Kaliningrad ×2 R2EA/P · European Russia R2ZO · European Russia R6TA · European Russia R3DII · European Russia DL3NGN · Fed. Rep. of Germany UB6LLI · European Russia R7GR · European Russia

Activity Heatmap

Locator transmitted by UB3YCK

Approximate centre of KO81, decoded 2026-08-17 17:14 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	UB3YCK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-17 17:13	40m	-16 / -	BG7BVI	- / -	3	Partial capture
08-17 17:11	40m	-14 / -	UA4NCX	- / -5	2	✓ Closing fragment
08-17 17:09	40m	-13 / -	UA3WG	- / +4	3	✓ Closing fragment
08-17 16:56	40m	-17 / -	UA3WG	-20 / +4	11	Partial capture
08-17 16:40	40m	-11 / -	UA3ZPB	- / +3	2	✓ Closing fragment
08-17 13:19	20m	- / -	DL1R	-9 / -	4	Partial capture
08-17 13:14	20m	-4 / -6	YO9CX	-16 / -4	4	✓ Full exchange observed
08-17 08:44	20m	-14 / -	OH5C/P	- / -	4	Partial capture
08-17 08:42	20m	-11 / -	IT9FJE	- / -	3	Partial capture
08-17 08:14	20m	-9 / -	TA3F	- / -10	25	Partial capture
08-17 07:31	20m	-9 / -	TA3F	- / -10	11	Partial capture
08-17 06:50	20m	- / +5	F4BNZ	-9 / -	3	Partial capture
08-17 06:45	20m	-8 / -	TA3F	- / -10	10	Partial capture
08-17 06:43	20m	-10 / 0	ON1DGN	-20 / -3	4	✓ Full exchange observed
08-17 06:41	20m	-13 / -	RW0SR	- / -15	3	✓ Closing fragment
08-17 06:39	20m	-4 / -	EA5DQW	- / -12	2	✓ Closing fragment
08-17 06:36	20m	-8 / -	SP5AA	- / -4	3	✓ Closing fragment
08-17 06:32	20m	-6 / -12	G4SRT	-16 / -16	7	✓ Full exchange observed
08-17 06:32	20m	-12 / -	TA3F	- / -6	2	Partial capture
08-17 06:30	20m	-8 / -	YT1VDA	- / -4	2	✓ Closing fragment
08-17 06:29	20m	-9 / -	RK1AA	- / -7	4	✓ Closing fragment
08-17 06:26	20m	-5 / -	EA5IXH	- / -6	2	✓ Closing fragment
08-17 06:24	20m	-5 / -18	DL1UDO	-15 / -9	5	✓ Full exchange observed
08-17 06:22	20m	-10 / -	YL2JZ	- / +3	3	✓ Closing fragment
08-17 06:20	20m	-16 / -	R0ACR	- / -4	3	Partial capture
08-17 06:18	20m	-4 / +4	R6LE	-21 / +2	3	✓ Full exchange observed
08-17 06:16	20m	-11 / -	UD1I	- / -14	3	✓ Closing fragment
08-17 06:14	20m	-13 / -	DL1BBO	- / -4	3	✓ Closing fragment
08-17 06:11	20m	-12 / -	OK1JPO	- / -	2	✓ Closing fragment
08-17 06:09	20m	-10 / -	4Z5PT	- / -8	3	✓ Closing fragment
08-17 06:05	20m	-8 / -4	ON1DGN	-24 / -7	5	Partial capture
08-17 06:03	20m	-6 / -	HB9EFK	- / -5	3	✓ Closing fragment
08-17 06:01	20m	-8 / -	SQ6PZL	- / -7	2	✓ Closing fragment
08-17 05:54	20m	-9 / -	DL9KM	- / -4	8	Partial capture
08-17 05:49	20m	-10 / +1	DL8TV	-3 / 0	5	✓ Full exchange observed
08-17 05:48	20m	-8 / -	RD1A	- / -2	2	✓ Closing fragment
08-17 05:44	20m	-5 / -21	IS0KNG	-12 / -13	6	✓ Full exchange observed
08-16 20:31	160m	-16 / -	R2ATY	- / -4	2	✓ Closing fragment
08-16 20:20	160m	-16 / -	EA3A	-15 / -12	20	Partial capture
08-16 20:18	160m	-14 / -13	OM2WQ	0 / -2	5	✓ Full exchange observed
08-16 20:08	160m	-14 / -	R5BM	-13 / -1	12	✓ Full exchange observed
08-16 20:06	160m	-16 / -11	RA6ATZ	-19 / +2	5	✓ Full exchange observed
08-16 20:03	160m	- / -	RA6ATZ	-14 / -	2	Partial capture
08-16 20:00	160m	-15 / -	YO3JW	- / -	3	Partial capture
08-16 19:58	160m	-14 / -8	RZ3DUB	-17 / -	2	✓ Closing observed
08-16 19:57	160m	-16 / -7	SQ2BXI	+18 / -14	6	✓ Full exchange observed
08-16 19:54	160m	-16 / -17	PA3FR	-10 / -12	5	✓ Full exchange observed
08-16 19:50	160m	-21 / -21	SV2AEL	-4 / -	7	✓ Closing observed
08-16 19:47	160m	-16 / -	YO3JW	- / -	9	Partial capture
08-16 19:38	160m	-24 / +2	RD6OX	-8 / +4	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
170045 -19 1995  UA3WG UB3YCK +04 (x8)
171045 -17 1995  CQ UB3YCK KO81 (x2)
171145 -14 1995  UA4NCX UB3YCK -05 (x2)
171345 -14 1995  BG7BVI UB3YCK KO81 (x3)

20m

UTC    dB Audio  Message
131445  -4 2034  YO9CX UB3YCK 73
131515  -1 2034  CQ UB3YCK KO81 (x8)
131930  -7 2656  UB3YCK DL1R JN58
132015 -13 2034  CQ UB3YCK KO81
132030 -12 2657  UB3YCK DL1R JN58
132045 -13 2034  CQ UB3YCK KO81
132100  -8 2656  UB3YCK DL1R JN58 (x2)

160m

UTC    dB Audio  Message
202645 -18 1953  EA3A UB3YCK -15 (x5)
203115 -14 1953  CQ UB3YCK KO81
203145 -15 1953  R2ATY UB3YCK R-04 (x2)
203245 -18 1954  CQ UB3YCK KO81 (x7)

80m

UTC    dB Audio  Message
193145  -3  595  UB3YCK ON4CJU -17 (x15)

10m

UTC    dB Audio  Message
090545  +0 2047  CQ UB3YCK KO81
090600 +15 2809  UB3YCK TM2WWA -07
090600  -2 1419  UB3YCK R7DX KN84
090630 +16 2809  UB3YCK TM2WWA -07
090630  +4 1419  UB3YCK R7DX KN84 (x2)
081130 -24 1545  UB3YCK RG7A RR73
081730  -5 2572  UB3YCK PD0HLA -15 (x2)
082615 -19 2049  UA9XL UB3YCK KO81 (x5)
101545 -20 1498  UB3YCK R7DX KN84

Decoder S/N history by band

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