UB3DLM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO84

Receiver-side FT8 activity involving UB3DLM, decoded by SO8OO in southeastern Poland. 299 related FT8 messages, 1 CQ messages, observed on 40m, 20m, 10m, across 47 UTC dates. Heard between 2026-05-26 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

299

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-05-26
Last seen: 2026-08-23 03:59 UTC

Frequent QSO partners observed at SO8OO

Stations UB3DLM worked most often, as logged from our receiver:

RW6AU · European Russia ×2 TN8GD · Republic of the Congo ×2 SV1CQN · Greece ×2 RA7T · European Russia ×2 RA6FRI · European Russia PD0HLA · Netherlands F5MYK · France S58MU · Slovenia UA9OBN · Asiatic Russia RZ0SW · Asiatic Russia R6JC · European Russia SP9XU · Poland

Activity Heatmap

Locator transmitted by UB3DLM

Approximate centre of KO84, decoded 2026-08-23 05:59 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	UB3DLM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 05:56	20m	-14 / -	PD3LKN	-8 / -5	6	✓ Closing observed
08-23 05:01	20m	-13 / -	SP7IIT	- / -	2	Partial capture
08-22 06:23	20m	-8 / -	SV2HTI	- / -	2	Partial capture
08-22 06:18	20m	-5 / -	NE9U	- / -8	9	✓ Closing fragment
08-22 06:13	20m	-10 / -17	CT3MD	+1 / -16	10	Partial capture
08-21 06:42	20m	-2 / -	PD0WC	- / -17	4	✓ Closing fragment
08-21 06:41	20m	-6 / -	R6ADH	- / -7	2	✓ Closing fragment
08-21 06:13	20m	- / -1	EA1N	+12 / -	2	✓ Closing fragment
08-21 05:54	20m	-11 / -	HA5LB	- / -	2	Partial capture
08-20 05:10	20m	- / -3	EA5JK	+10 / -	2	✓ Closing fragment
08-20 04:40	20m	- / -6	F4HTA	+4 / -	2	✓ Closing fragment
08-17 07:55	20m	-16 / -	OH5C/P	- / -3	3	✓ Closing fragment
08-17 05:32	20m	- / +5	R9WEI	-20 / -	2	✓ Closing fragment
08-15 06:51	20m	- / -5	HB9HBY	-8 / -	2	✓ Closing fragment
08-15 06:23	20m	-8 / -	BA3NZ	- / -2	2	Partial capture
07-31 06:53	20m	-21 / -16	DL5CK	-12 / -	3	✓ Closing observed
07-31 06:51	20m	-24 / -	M0DPK	- / -3	2	Partial capture
07-31 06:37	20m	-10 / -	SP2JEL	- / -5	2	✓ Closing fragment
07-31 06:33	20m	+2 / -	OH2DUV	- / +1	2	✓ Closing fragment
07-31 06:33	20m	-5 / -10	UI6O	-16 / -9	4	Partial capture
07-31 06:18	20m	-1 / -6	SP8AJK	-12 / +4	5	✓ Full exchange observed
07-31 06:16	20m	-8 / -	IK8DDN	- / -	2	Partial capture
07-31 06:02	20m	- / +2	RY4D	-16 / -	2	✓ Closing fragment
07-30 07:11	20m	-20 / -	IU3IOV	-13 / -	2	✓ Closing observed
07-29 05:42	20m	- / +5	RK4CH	-6 / -	2	✓ Closing fragment
07-28 05:24	20m	-15 / -	WD4OBP	- / -11	5	✓ Closing fragment
07-26 06:00	20m	-18 / +2	IK2VFR	-17 / -	2	✓ Closing observed
07-26 05:23	20m	-16 / -	HK3YL	- / -	3	Partial capture
07-26 05:11	20m	-17 / -	VE2OPR	- / -11	3	Partial capture
07-24 05:53	20m	-19 / -	SP9JBP	- / -2	2	✓ Closing fragment
07-24 05:52	20m	- / +2	F4ILK	-20 / -	5	Partial capture
07-24 05:46	20m	-12 / -	MM8WXA	- / -	2	✓ Closing fragment
07-23 07:05	10m	- / -10	R3DMS	-18 / -	2	✓ Closing fragment
07-23 06:26	10m	- / -10	R1WBJ	-12 / -	2	✓ Closing fragment
07-23 05:58	10m	- / +4	RA1N	-19 / -	2	✓ Closing fragment
07-23 05:39	10m	-16 / -	UA1OIW	- / +7	2	Partial capture
07-21 06:27	20m	-16 / -	M7KSV	- / -	2	Partial capture
07-21 06:24	20m	-24 / +3	CT1BCP	-17 / -	2	Partial capture
07-21 06:22	20m	-24 / +5	RD6OZ	-20 / +4	5	✓ Full exchange observed
07-21 06:18	20m	-17 / -	PD2WL	- / -24	4	✓ Closing fragment
07-21 06:07	20m	-12 / -1	R6JC	-14 / -7	7	✓ Full exchange observed
07-21 06:06	20m	-12 / -	EI5JL	- / -2	2	✓ Closing fragment
07-21 05:53	20m	-14 / -	SP9WLC	- / -	2	Partial capture
07-21 05:43	20m	- / -13	CR7BRV	-4 / -	2	✓ Closing fragment
07-20 07:11	10m	-18 / -	F4GAJ	-19 / -6	3	✓ Closing observed
07-20 06:51	10m	-20 / -	RO6K	- / -5	3	✓ Closing fragment
07-20 06:48	10m	-14 / -	F4NLW/P	- / -3	2	Partial capture
07-20 06:46	10m	-16 / -	UI5A	- / -15	2	Partial capture
07-20 06:44	10m	-19 / -	F4JTP	- / -6	2	✓ Closing fragment
07-20 06:41	10m	-21 / 0	DB7GE	-16 / -	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
062215  -6 2554  NE9U UB3DLM 73
062345  -9 1947  SV2HTI UB3DLM KO84 (x2)
050145 -15 1354  SP7IIT UB3DLM KO84 (x2)
050715 -11 1465  TA2FE UB3DLM KO84
051430  -2  691  XQ1KK UB3DLM KO84
055600 -18  996  CQ UB3DLM KO84
055615 -14  997  UB3DLM PD3LKN JO22 (x3)
055830 -18  998  PD3LKN UB3DLM -05 (x2)
055915  -6  997  UB3DLM PD3LKN 73
055930  -5  691  XQ1KK UB3DLM KO84

10m

UTC    dB Audio  Message
053945 -16  906  UA1OIW UB3DLM KO84 (x2)
055830 -19 2097  UB3DLM RA1N +04 (x2)
061100 -15  820  UA9MA UB3DLM KO84
061345 -16 1300  UB3DLM RA1WZ RR73
062600 -15 1980  UB3DLM RK6OV KN97
062615 -11 2370  UB3DLM R1WBJ -10 (x2)
070545 -16 2176  UB3DLM R3DMS R-10 (x2)
071815 -16 1041  EC5M UB3DLM KO84
060915 -23 1997  RU9CK UB3DLM 73
061045 -23 1897  SP3AU UB3DLM R-01
061430 -21 1430  R8QA UB3DLM KO84

40m

UTC    dB Audio  Message
042100  -3 2062  UB3DLM YO4FZV RR73
042200  -8 2538  YO8RAW UB3DLM KO84
042215  +7 2538  UB3DLM YO8RAW +00
042300 -19 1951  OH6IH UB3DLM KO84
042445  +8  566  UB3DLM YO8RAW -02
042530  -2  567  YO8RAW UB3DLM 73
055400 -18 2201  R4CR UB3DLM KO84
032630 -11 1940  RA2FCF UB3DLM KO84 (x3)
032745 -11 2616  UB3DLM RZ6L KN97
032800  -5 2617  RZ6L UB3DLM +03
032815  -6 2616  UB3DLM RZ6L R-07
032830  -4 2617  RZ6L UB3DLM RR73
032845 -10 2616  UB3DLM RZ6L 73

Decoder S/N history by band

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