8D81RI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Indonesia

Receiver-side FT8 activity involving 8D81RI, decoded by SO8OO in southeastern Poland. 468 related FT8 messages, 87 CQ messages, observed on 40m, 20m, 10m, across 8 UTC dates. Heard between 2026-08-09 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

468

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-08-09
Last seen: 2026-08-20 12:52 UTC

Frequent QSO partners observed at SO8OO

Stations 8D81RI worked most often, as logged from our receiver:

DL70ESSEN · Fed. Rep. of Germany ×8 RZ3Z/P · European Russia ×6 OK2HF/P · Czech Republic ×4 F4LHR/P · France ×4 EN35UKR · Ukraine ×3 SP1905MFK · Poland ×2 R0SDM/P · Asiatic Russia ×2 EA1/DH0GSU · Spain 3B8/SQ9UM · Mauritius YO1BRANCUSI · Romania EA4GA/P · Spain R9FDE/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	8D81RI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 21:31	20m	-15 / -	DL70ESSEN	-6 / -	4	✓ Closing observed
08-16 21:01	20m	- / -	DL70ESSEN	-9 / -	3	Partial capture
08-16 20:55	20m	- / -	<...>	-6 / -	2	✓ Closing fragment
08-16 20:53	20m	-16 / -	DL70ESSEN	-5 / -	2	✓ Closing observed
08-16 20:47	20m	- / -	DL2SWA	-2 / -	3	Partial capture
08-16 20:46	20m	-15 / -	DL70ESSEN	-4 / -	2	✓ Closing observed
08-16 20:38	20m	- / -	DL2WS	-8 / -	2	Partial capture
08-16 20:20	20m	- / -	PA2MP	-8 / -	3	Partial capture
08-16 19:42	20m	-8 / -	<...>	- / -	2	✓ Closing fragment
08-16 19:38	20m	-4 / -	DL70ESSEN	- / -	3	✓ Closing fragment
08-16 19:33	20m	-3 / -	DL70ESSEN	- / -	2	✓ Closing fragment
08-16 19:27	20m	- / -	DJ2MS	-13 / -	2	Partial capture
08-16 19:21	20m	-4 / -	<...>	-2 / -	10	✓ Closing fragment
08-16 19:19	20m	- / -	DJ2MS	-12 / -	5	Partial capture
08-16 19:16	20m	-6 / -	<...>	-4 / -	4	✓ Closing fragment
08-16 19:08	20m	-5 / -	<...>	- / -	3	✓ Closing fragment
08-16 19:07	20m	- / -	SP1905MFK	-10 / -	2	✓ Closing fragment
08-16 19:02	20m	-2 / -	<...>	- / -	2	✓ Closing fragment
08-16 18:51	20m	-5 / -	<...>	0 / -	8	✓ Closing fragment
08-16 18:47	20m	- / -3	PA0LUX	-12 / -	2	Partial capture
08-16 18:37	20m	-5 / -	<...>	-6 / -	15	✓ Closing fragment
08-16 18:31	20m	-4 / -	<...>	0 / -	5	✓ Closing fragment
08-16 18:16	20m	-5 / -	<...>	-10 / -	9	✓ Closing fragment
08-16 18:10	20m	-6 / -	EA4GA/P	+2 / -	6	✓ Closing observed
08-16 18:08	20m	-8 / -	<...>	- / -	2	✓ Closing fragment
08-16 17:58	20m	-9 / -	<...>	+3 / -	8	✓ Closing fragment
08-16 17:51	20m	-10 / -	<...>	-18 / -	5	✓ Closing fragment
08-16 17:45	20m	-7 / -	<...>	-20 / -	5	✓ Closing fragment
08-16 17:30	20m	-8 / -	<...>	-7 / -	11	✓ Closing fragment
08-16 17:25	20m	-7 / -	<...>	- / -	3	✓ Closing fragment
08-16 17:19	20m	- / -	DK9FW	-10 / -	4	Partial capture
08-16 17:15	20m	-6 / -	<...>	-5 / -	5	✓ Closing fragment
08-16 17:12	20m	- / -	CT1BWU	-5 / -	5	Partial capture
08-16 17:12	20m	- / -10	GW4AYJ	+2 / -	4	Partial capture
08-16 17:12	20m	- / -	OE6CLD	-3 / -	3	Partial capture
08-16 17:11	20m	-7 / -	<...>	+7 / -	2	✓ Closing fragment
08-16 16:42	20m	- / +4	R9CB	-12 / -	2	Partial capture
08-16 16:41	20m	-7 / -	<...>	-8 / -	7	✓ Closing fragment
08-16 16:26	20m	-11 / -	<...>	- / -	5	✓ Closing fragment
08-16 16:19	20m	-12 / -	<...>	- / -	2	✓ Closing fragment
08-16 16:10	20m	-15 / -	<...>	-14 / -	3	✓ Closing fragment
08-16 16:05	20m	-13 / -	EA3HYJ	-14 / -10	2	Partial capture
08-16 16:03	20m	- / -	EA8UE	-4 / -	3	Partial capture
08-16 16:03	20m	- / -	PD1ADA	-15 / -	5	Partial capture
08-16 16:01	20m	-12 / -	<...>	-9 / -	9	✓ Closing fragment
08-16 15:57	20m	-10 / -	<...>	-4 / -	3	✓ Closing fragment
08-16 15:51	20m	-11 / -	<...>	- / -	2	✓ Closing fragment
08-16 15:44	20m	-14 / -	<...>	-14 / -	4	✓ Closing fragment
08-16 15:30	20m	- / -14	IU6KQP	-6 / -	2	Partial capture
08-16 14:58	20m	-14 / -	F4LHR/P	- / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
000515  -9 1001  8D81RI M0LAD (x12)
142345  -9 1129  8D81RI <...> 73 (x2)
145200 -17 1129  CQ 8D81RI

20m

UTC    dB Audio  Message
210230 -13  820  8D81RI DL70ESSEN
210330 -13 1934  8D81RI <...> 73
210730  -4  821  8D81RI DL70ESSEN 73
211230  -8 2399  8D81RI <...> 73 (x2)
213130  +7  820  8D81RI DL70ESSEN 73 (x2)
213245 -13  820  CQ 8D81RI
213415 -15  820  DL70ESSEN 8D81RI RR73
213430 -15  822  8D81RI DL70ESSEN 73
213845 -16  820  DL70ESSEN 8D81RI RR73
213930  -4 3021  8D81RI <...> RR73
215030  -8  818  8D81RI PD7Z/P 73
221230 -14 1027  8D81RI EN35UKR RR73
101330 -21 1658  8D81RI DB1BAC/P 73

10m

UTC    dB Audio  Message
101030 -15 1029  <...> 8D81RI RR73 (x8)
102900  -9 1028  CQ 8D81RI
103500 -10 1028  <...> 8D81RI RR73 (x2)
104230 -10 1028  EN35UKR 8D81RI RR73
104730  -7 1028  CQ 8D81RI (x2)
064115 +12  606  8D81RI <...> RR73

Decoder S/N history by band

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