YL3BU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Latvia Locator transmitted in a decoded message: KO26

Receiver-side FT8 activity involving YL3BU, decoded by SO8OO in southeastern Poland. 294 related FT8 messages, 5 CQ messages, observed on 80m, 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-06-28 and 2026-08-15.

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

294

Related messages

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-06-28
Last seen: 2026-08-15 18:41 UTC

Frequent QSO partners observed at SO8OO

Stations YL3BU worked most often, as logged from our receiver:

OZ6P · Denmark ×2 UR5NPF · Ukraine ×2 DL9KM · Fed. Rep. of Germany ×2 LZ2VQ · Bulgaria ×2 ON5LW · Belgium R2EA · European Russia PW8BR · Brazil YL3ASB · Latvia EA8UP · Canary Islands OE3PBS · Austria YO4DWD · Romania TN8GD · Republic of the Congo

Activity Heatmap

Locator transmitted by YL3BU

Approximate centre of KO26, decoded 2026-08-16 20:26 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	YL3BU S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 21:05	40m	-22 / -	9M2KDX	- / -	2	Partial capture
08-15 20:41	80m	+3 / -	CT7AUT	-18 / -14	2	Partial capture
08-15 20:40	80m	- / -7	DB100FT	-3 / -	3	✓ Closing fragment
08-15 20:39	80m	+3 / -9	UR5NPF	+17 / +3	6	✓ Full exchange observed
08-15 20:36	80m	-2 / -11	MM0DHQ	-11 / -7	7	✓ Full exchange observed
08-15 20:32	80m	-2 / -22	EA8AJ	-10 / -	6	Partial capture
08-15 20:27	80m	-1 / +8	LY3QR	-11 / -3	4	✓ Full exchange observed
08-15 19:16	40m	- / -6	R1TAX	-7 / -	2	✓ Closing fragment
08-15 19:03	40m	- / -	UR5KC	-1 / -	3	Partial capture
08-15 19:00	40m	- / -4	UA4FKT	-9 / -	3	✓ Closing fragment
08-14 21:12	40m	-16 / -	BH4HKZ	- / -10	2	✓ Closing fragment
08-14 21:11	40m	-17 / -	CU3AC	- / -15	3	✓ Closing fragment
08-14 21:07	40m	-18 / -	4S7LGT	- / -14	2	✓ Closing fragment
08-14 21:03	40m	-18 / -1	SQ1KD	-10 / -	3	✓ Closing observed
08-14 21:02	40m	-21 / -	PC2J	-10 / -12	3	Partial capture
08-14 20:56	40m	- / -13	DK4CH	-14 / -	2	✓ Closing fragment
08-14 20:53	40m	- / -3	4L7T	-10 / -	2	✓ Closing fragment
08-14 20:50	80m	-2 / -	9J2FI	- / -	2	Partial capture
08-14 20:49	80m	+1 / -	UX7QV	+4 / -	2	✓ Closing observed
08-14 20:47	80m	+5 / -18	ER5DX	-14 / -	2	Partial capture
08-14 20:41	80m	+1 / -	SV9MBH	- / -	7	Partial capture
08-14 20:40	80m	+4 / +4	HA3IS	+2 / -7	4	✓ Full exchange observed
08-14 20:38	80m	+4 / -	ER5DX	- / -	2	Partial capture
08-14 20:37	80m	+3 / -	ES3TI/0	- / -5	2	Partial capture
08-14 20:29	80m	+6 / +7	US1EA	+6 / -	7	Partial capture
08-14 20:26	80m	+5 / -5	DF7EF	+16 / +1	7	✓ Full exchange observed
08-14 20:24	80m	+2 / -	UN8DSW	- / -20	4	✓ Closing fragment
08-14 20:23	80m	+3 / -	IS0AFM	- / -16	3	✓ Closing fragment
08-14 20:22	80m	+2 / -	HA3KZ	- / -	2	Partial capture
08-14 20:20	80m	+1 / -3	RK9UE	0 / -1	5	✓ Full exchange observed
08-14 20:19	80m	+4 / -	TA3GO	-3 / -11	4	✓ Closing observed
08-14 20:18	80m	+8 / -	ES4TRI	- / -	2	Partial capture
08-14 20:14	80m	+4 / -	LB5WB	+7 / -5	5	✓ Full exchange observed
08-14 20:13	80m	+6 / -	OH2LGA	- / -6	3	✓ Closing fragment
08-14 20:13	80m	+6 / -13	OM0MR	+10 / -13	9	✓ Full exchange observed
08-14 20:11	80m	+4 / -	VK4SC	- / -	2	Partial capture
08-14 20:10	80m	+3 / -12	SV3CKF	-7 / -6	5	✓ Full exchange observed
08-14 20:09	80m	+5 / -	R1WCK	- / -5	2	✓ Closing fragment
08-14 20:07	80m	+6 / -9	JH2FXK	-10 / -9	4	✓ Full exchange observed
08-14 20:06	80m	+6 / -19	PE1NPS	-13 / -1	5	✓ Full exchange observed
08-14 20:04	80m	+2 / -12	HB9EKJ	-20 / -13	8	✓ Full exchange observed
08-13 21:37	80m	+6 / -	YU7AS	- / -	2	Partial capture
08-13 21:35	80m	0 / -	TN8GD	- / -	2	Partial capture
08-13 21:34	80m	-2 / -12	CT1FJO	-2 / -9	5	✓ Full exchange observed
08-13 21:33	80m	- / -9	G8OO	-2 / -	4	✓ Closing fragment
08-13 21:30	80m	- / +5	LB6MJ	-4 / -	6	✓ Closing fragment
08-13 21:22	80m	0 / -	VK6ABC	- / -	2	Partial capture
08-13 21:19	80m	- / -	IU0VYT	+14 / -	2	Partial capture
08-13 21:19	80m	+4 / -	SP6FME	+17 / -3	4	✓ Closing observed
08-13 21:18	80m	+8 / -2	DL9KM	-3 / -13	6	✓ 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
185015 -16 1419  YL3BU RA3DA 73
190015  -5 2433  YL3BU UA4FKT LO23 (x3)
190145 -16 2433  YL3BU OH7BDI KP42
190300  -2 2435  YL3BU UR5KC KO30 (x3)
191245 -15 1788  YL3BU RN6MA -10
191615  -9 2751  YL3BU R1TAX R-06 (x2)
210530 -24 1547  9M2KDX YL3BU KO26 (x2)
210715 -18 1857  TN8GD YL3BU R-15
202630 -20 1876  HL3LMS YL3BU KO26

80m

UTC    dB Audio  Message
203745  +2 2239  MM0DHQ YL3BU R-07
203800 -10 2493  YL3BU MM0DHQ RR73
203815  +0 2238  MM0DHQ YL3BU 73
203900 +19 2239  YL3BU UR5NPF KN49
203915 +12 2282  UR5NPF YL3BU +03
203930 +18 2283  YL3BU UR5NPF R-09
203945  +3 2282  UR5NPF YL3BU RR73
204000 +14 2283  YL3BU UR5NPF 73
204000  -5 1402  <YL3BU> DB100FT
204015  -6 2282  UR5NPF YL3BU -06
204030  -3 1402  YL3BU DB100FT R-07 (x2)
204100 -18 1697  YL3BU CT7AUT IM67
204115  +3 2192  CT7AUT YL3BU -14
205100  -2 2251  EA8AJ YL3BU KO26

20m

UTC    dB Audio  Message
212400  -2  545  YL3BU TN8GD -11 (x2)

10m

UTC    dB Audio  Message
161300  -5 2362  YL3ASB YL3BU RR73
161330  -7 2362  F1PBZ YL3BU R-01 (x2)
161415 -10 2362  YL3BU HB9MZI JN46
161430  -7 2361  HB9MZI YL3BU -06 (x2)
162100 -12 2246  G4DBW YL3BU KO26
190815 -13  879  YL3BU DO1FKM R-01 (x2)
190945  -4 2206  YL3BU 9A4ZM JN86 (x2)
192215 -19 1282  YL3BU CA6SNT -15 (x2)
192545  +0 1483  YL3BU LZ1ZF KN22 (x2)

Decoder S/N history by band

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