UB3AVN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving UB3AVN, decoded by SO8OO in southeastern Poland. 401 related FT8 messages, 115 CQ messages, observed on 40m, 20m, across 6 UTC dates. Heard between 2026-06-05 and 2026-08-23.

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

401

Related messages

115

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-06-05
Last seen: 2026-08-23 17:08 UTC

Frequent QSO partners observed at SO8OO

Stations UB3AVN worked most often, as logged from our receiver:

SP7TF · Poland ×2 UB4CJS · European Russia RA0SCZ · Asiatic Russia RG7M · European Russia R2PJ · European Russia DJ0MAB · Fed. Rep. of Germany R3WDW · European Russia PD3LKN · Netherlands HG3FMZ · Hungary RA6FC · European Russia R3KCW · European Russia RU3QR · European Russia

Activity Heatmap

Locator transmitted by UB3AVN

Approximate centre of KO85, decoded 2026-08-23 19:08 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	UB3AVN S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 18:53	40m	-15 / -	PD1WN	-5 / -14	5	Partial capture
08-23 18:53	40m	-17 / -19	SV1EKI	-4 / -5	9	✓ Full exchange observed
08-23 18:47	40m	- / +3	UB3ANV	-5 / -	3	✓ Closing fragment
08-23 18:46	40m	-17 / -11	UA3VVA	-12 / -9	2	Partial capture
08-23 18:42	40m	-12 / -2	RU3QR	-1 / -7	3	✓ Full exchange observed
08-23 18:40	40m	-14 / -	RA5AK	- / -10	2	✓ Closing fragment
08-23 18:39	40m	-15 / -9	R4HHN	-5 / -5	5	✓ Full exchange observed
08-23 18:37	40m	-13 / -	RX3DRC	- / -	3	Partial capture
08-23 15:10	20m	- / -	TA3NK	-12 / -	2	Partial capture
08-23 15:06	20m	- / -	TA3NK	-10 / -	3	Partial capture
08-23 14:53	20m	- / -13	R7KM	-6 / -	2	✓ Closing fragment
08-23 14:46	20m	- / -6	RA0SCZ	-2 / -	2	✓ Closing fragment
08-23 14:33	20m	- / -15	F1ODM	+16 / -	3	✓ Closing fragment
08-23 14:28	20m	- / -18	EA3IDY	-4 / -	5	✓ Closing fragment
08-23 14:28	20m	- / +5	F1ODM	+11 / -	2	Partial capture
08-23 10:00	20m	- / -17	9A2LM	-2 / -	2	Partial capture
08-23 09:40	20m	- / -8	RA6HN	-11 / -	3	✓ Closing fragment
08-23 09:16	20m	- / -4	DL7ARV	-5 / -	2	✓ Closing fragment
08-23 09:09	20m	- / -21	EA3IDY	-7 / -	3	Partial capture
08-23 09:06	20m	- / -	SP6AXW	-14 / -	2	Partial capture
08-23 09:01	20m	- / -21	EA3IDY	+13 / -	11	Partial capture
08-23 08:55	20m	-22 / -13	DL1R	+8 / -8	11	✓ Full exchange observed
08-23 08:55	20m	- / -14	F1PBZ	+16 / -	4	✓ Closing fragment
08-23 08:49	20m	-18 / -	TA2NJH	- / -3	3	Partial capture
08-23 08:48	20m	-21 / -	UB8CPH	- / -	2	Partial capture
08-23 08:03	40m	- / -15	SP5ROM	-6 / -	2	✓ Closing fragment
08-22 18:23	40m	-12 / -3	RU3KO	+4 / -17	4	✓ Full exchange observed
08-22 18:21	40m	-13 / -	RC6OZ	- / -17	2	Partial capture
08-22 18:18	40m	- / -14	RD3FY	+3 / -	4	✓ Closing fragment
08-22 18:17	40m	-12 / -7	R6YG	-7 / -5	4	Partial capture
08-22 18:00	40m	-12 / -14	ON4AOI	+6 / -24	8	✓ Full exchange observed
08-22 17:58	40m	-10 / -	PA0MUS	- / -	4	Partial capture
08-22 17:55	40m	-9 / -6	UB6OCP	-10 / -24	10	✓ Full exchange observed
08-22 17:53	40m	-12 / -9	RN3N	-2 / -5	5	✓ Full exchange observed
08-22 17:51	40m	-12 / -8	R5ZQ	+4 / -	3	✓ Closing observed
08-22 17:43	40m	- / -	R3TAW	-1 / -	2	Partial capture
08-22 17:38	40m	-13 / -15	HG3FMZ	+7 / -9	6	✓ Full exchange observed
08-22 17:36	40m	-14 / -13	RW1QN	-13 / -10	5	✓ Full exchange observed
08-22 17:03	40m	-15 / -13	F1PBZ	-8 / -17	3	Partial capture
08-22 17:00	40m	- / -15	R3RAA	-10 / -	2	✓ Closing fragment
08-09 09:56	20m	- / -16	DH2RL	-11 / -	4	✓ Closing fragment
08-09 09:37	20m	- / -24	IX1HPN	-9 / -	5	Partial capture
08-09 09:36	20m	- / -	DH2RL	-11 / -	5	Partial capture
08-09 09:06	40m	- / -18	SQ9M	-16 / -	2	✓ Closing fragment
08-09 08:57	40m	- / -15	DL5MK	-15 / -	3	✓ Closing fragment
08-09 08:49	40m	- / -6	SP5EXA	0 / -	2	Partial capture
08-08 18:05	40m	- / -4	DL6UM	-14 / -	2	✓ Closing fragment
08-08 17:59	40m	- / -3	UA3SNB	-18 / -	2	Partial capture
08-08 17:56	40m	- / -9	R2PJ	-10 / -	2	✓ Closing fragment
08-08 17:48	40m	- / -	RK6MC	-10 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
185415 -16 2085  SV1EKI UB3AVN -05
185430  -7 2709  UB3AVN SV1EKI R-19
185445 -18 2084  SV1EKI UB3AVN RR73
185500  -4 2709  UB3AVN SV1EKI 73
185515 -18 2084  PD1WN UB3AVN -14
185545  +0 2709  UB3AVN SV1EKI KM18 (x2)
185615 -12 2083  PD1WN UB3AVN -14
190115 -14 2442  CQ UB3AVN KO85 (x7)

20m

UTC    dB Audio  Message
143445 +17  464  UB3AVN F1ODM RR73
143615  +2  462  UB3AVN R0SAU -10
144215 -15 1933  UB3AVN R7RAG RR73
144615  -2  585  UB3AVN RA0SCZ R-06 (x2)
145300  -6 2628  UB3AVN R7KM -13 (x2)
150600 -11 1083  UB3AVN TA3NK KM39 (x5)
151630 -16 1083  XU7O UB3AVN KO85
151730 -15 1083  CQ UB3AVN KO85 (x2)

Decoder S/N history by band

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