8B81KB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Indonesia

Receiver-side FT8 activity involving 8B81KB, decoded by SO8OO in southeastern Poland. 358 related FT8 messages, 31 CQ messages, observed on 40m, 20m, across 9 UTC dates. Heard between 2026-08-10 and 2026-08-20.

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

358

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-08-10
Last seen: 2026-08-20 21:45 UTC

Frequent QSO partners observed at SO8OO

Stations 8B81KB worked most often, as logged from our receiver:

DU7/NW5H · Philippines ×2 SP/DL1EKO · Poland ×2 JM1EMX/QRP · Japan ×2 2E0JPO/P · England ×2 OZ/DL1JGR · Denmark OE/DF3XY/P · Austria 14RW103 DL70ESSEN · Fed. Rep. of Germany IU1SCB/IN3 · Italy KK4EB/VO1 · Canada SP1905MFK · Poland R3DFE/M · European Russia

Activity Heatmap

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	8B81KB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 23:29	20m	-17 / -	IS0KNG	- / -	2	✓ Closing fragment
08-20 19:39	20m	- / -	M0CKX	-7 / -	5	Partial capture
08-20 18:48	20m	-20 / -	<...>	0 / -	2	✓ Closing fragment
08-20 18:39	20m	- / -7	SP3DOF	+7 / -	4	Partial capture
08-20 18:37	20m	-16 / -	<...>	-2 / -	3	✓ Closing fragment
08-20 18:37	20m	- / -	DL7UKT	-10 / -	2	Partial capture
08-20 17:57	20m	-18 / -	<...>	+14 / -	2	✓ Closing fragment
08-20 17:44	20m	- / -	OE9DAI	-2 / -	4	Partial capture
08-20 17:44	20m	- / -	SP2PBY	-13 / -	2	Partial capture
08-20 17:42	20m	- / -	<...>	+9 / -	2	✓ Closing fragment
08-20 17:42	20m	- / -8	OZ1CF	-8 / -	4	Partial capture
08-17 19:01	20m	- / -	DL7UKT	-12 / -	4	Partial capture
08-17 18:59	20m	- / -	PD0DEX	-8 / -	4	Partial capture
08-17 18:57	20m	- / -	<...>	0 / -	2	✓ Closing fragment
08-17 18:57	20m	- / -	OE2LEX	-10 / -	2	Partial capture
08-17 18:38	20m	-21 / -	<...>	+1 / -	2	✓ Closing fragment
08-17 17:40	20m	- / -	DJ1TU	-3 / -	2	Partial capture
08-17 17:40	20m	- / -	MM0JTV	-13 / -	3	Partial capture
08-17 17:38	20m	- / -	<...>	-8 / -	3	✓ Closing fragment
08-17 17:27	20m	- / -6	IK1JUS	+2 / -	3	Partial capture
08-17 17:25	20m	- / -	<...>	-3 / -	3	✓ Closing fragment
08-17 17:25	20m	- / -	DL7FE	-14 / -	4	Partial capture
08-17 17:25	20m	- / -	OZ1LDO	-3 / -	2	Partial capture
08-17 17:12	20m	- / -	<...>	-4 / -	2	✓ Closing fragment
08-16 19:14	20m	- / -17	DL3BUA	-8 / -	3	Partial capture
08-16 18:47	20m	- / -	<...>	0 / -	3	✓ Closing fragment
08-16 17:34	20m	- / -	EA7CPW	-9 / -	3	Partial capture
08-16 17:26	20m	- / -	<...>	-5 / -	6	✓ Closing fragment
08-16 17:15	20m	- / -	EA5JCI	-14 / -	2	Partial capture
08-16 17:14	20m	- / -	<...>	-12 / -	5	✓ Closing fragment
08-16 17:06	20m	- / -	F5PEG	-9 / -	4	Partial capture
08-15 18:00	40m	- / -	LZ3BS	-11 / -	4	Partial capture
08-14 20:09	20m	- / -	<...>	-3 / -	3	✓ Closing fragment
08-14 18:41	20m	- / -	<...>	-4 / -	2	✓ Closing fragment
08-14 18:41	20m	- / -9	RU4SO	-12 / -	2	Partial capture
08-11 17:23	20m	- / -	<...>	+1 / -	3	✓ Closing fragment
08-11 17:23	20m	- / -	M8MNG	-5 / -	4	Partial capture
08-11 17:23	20m	- / -19	PA3DP	-3 / -	3	Partial capture
08-11 16:47	20m	- / -	SP6AXW	-12 / -	2	Partial capture
08-10 20:41	20m	- / -	<...>	-1 / -	2	✓ Closing fragment
08-10 20:27	20m	- / -	<...>	-6 / -	2	✓ Closing fragment
08-10 20:20	20m	- / -18	IK5AUL	-7 / -	2	Partial capture
08-10 20:17	20m	- / -	<...>	+2 / -	4	✓ Closing fragment
08-10 20:17	20m	- / -	F4BYA/P	-10 / -	2	Partial capture
08-10 20:06	20m	- / -	M0LAD	-6 / -	8	Partial capture
08-10 19:24	20m	- / -	DL9PRE	-16 / -	3	Partial capture
08-10 19:07	20m	- / -	RV3ZK	+4 / -	2	Partial capture
08-10 18:52	20m	- / -	GI5CEO	-11 / -	3	Partial capture
08-10 18:46	20m	- / -	EA1FUB	-20 / -	2	Partial capture
08-10 18:43	20m	- / -	<...>	-7 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
232015 -18 1271  CQ 8B81KB (x5)
232945 -18 1272  <IS0KNG> 8B81KB
233015 -18 1272  CQ 8B81KB
233115 -16 1272  IS0KNG 8B81KB RR73
233145 -15 1272  CQ 8B81KB (x6)
234530  -2 2419  8B81KB <...> 73

40m

UTC    dB Audio  Message
231915  -1 1244  8B81KB <...> 73 (x5)
180015 -11 2174  <8B81KB> LZ3BS KN22
180015  -3 1867  8B81KB <...> 73
180045 -10 2174  8B81KB LZ3BS KN22 (x3)
180315  +0 2672  8B81KB <...> 73 (x2)
170115 -14 1235  CQ 8B81KB
170230  +4 1260  8B81KB <...> 73
170245 -18 1235  CQ 8B81KB

Decoder S/N history by band

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