8C81NB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Indonesia

Receiver-side FT8 activity involving 8C81NB, decoded by SO8OO in southeastern Poland. 198 related FT8 messages, observed on 40m, 20m, 10m, across 10 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

198

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-08-10
Last seen: 2026-08-20 12:01 UTC

Frequent QSO partners observed at SO8OO

Stations 8C81NB worked most often, as logged from our receiver:

RT4A/QRP · European Russia ×2 F/PA2PAT · France R9FCS/4 · European Russia DB1BAC/P · Fed. Rep. of Germany RZ3Z/P · European Russia 9A4BP/P · Croatia R2UZ/P · European Russia AL0A/P · Alaska EI/G0KAO/P · Ireland RA3XEG/QRP · European Russia PD/DO1JOG · Netherlands R1BPW/6/P · 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	8C81NB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-19 17:56	20m	- / -	<...>	-6 / -	2	✓ Closing fragment
08-16 18:41	20m	- / -	<...>	-6 / -	3	✓ Closing fragment
08-16 18:10	20m	- / -	<...>	-5 / -	2	✓ Closing fragment
08-16 17:19	20m	- / -	<...>	-12 / -	2	✓ Closing fragment
08-16 17:10	20m	- / -	HB0BB	-5 / -	4	Partial capture
08-16 07:02	10m	- / -	DL1AAH	+2 / -	42	Partial capture
08-13 19:41	20m	- / -	F/PA2PAT	-9 / -	2	✓ Closing fragment
08-13 19:39	20m	- / -11	F4HSR	-7 / -	3	Partial capture
08-13 19:26	20m	- / -15	9A7Y	-4 / -	3	Partial capture
08-13 11:42	10m	- / -	F8AGD	-14 / -	8	Partial capture
08-12 08:51	10m	- / -	<...>	-8 / -	2	✓ Closing fragment
08-11 18:33	20m	- / -	F4NGC	-12 / -	2	Partial capture
08-11 17:13	20m	- / -	<...>	-9 / -	2	✓ Closing fragment
08-11 17:13	20m	- / -5	PA3DP	-5 / -	3	Partial capture
08-11 17:03	20m	- / -	<...>	-5 / -	3	✓ Closing fragment
08-11 16:38	20m	- / -	<...>	-9 / -	2	✓ Closing fragment
08-11 16:33	20m	- / -	DH1KU	-18 / -	3	Partial capture
08-11 16:33	20m	- / -	F6DZU	+1 / -	3	Partial capture
08-11 16:33	20m	- / -	PD1ADA	-16 / -	3	Partial capture
08-11 15:56	20m	- / -	<...>	-1 / -	2	✓ Closing fragment
08-10 16:09	20m	- / -	<...>	-10 / -	2	✓ Closing fragment
08-10 16:06	20m	- / -	G5TV	-16 / -	3	Partial capture
08-10 15:30	20m	- / -	I0KNQ	-15 / -	3	Partial capture
08-10 14:52	20m	- / -	F6DZU	+2 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
072145  +3  441  8C81NB DL1AAH (x4)
100300  -3 1340  8C81NB <...> 73 (x7)
133230  -9 1310  8C81NB R9FCS/4 73
135330  -1 2165  8C81NB <...> RR73 (x3)

20m

UTC    dB Audio  Message
175545 -23 1858  <8C81NB> YO6PNM KN25
175545  +4 2195  8C81NB <...> 73 (x3)
181345 -10 2435  <8C81NB> PD1B -16
181345  -3 1871  8C81NB <...> 73 (x8)
181915 -23 1859  <...> 8C81NB RR73
182500 +10 1173  8C81NB DB1BAC/P 73

40m

UTC    dB Audio  Message
145145 -17 1076  8C81NB <...> RR73 (x2)

Decoder S/N history by band

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