S51DM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN76

Receiver-side FT8 activity involving S51DM, decoded by SO8OO in southeastern Poland. 151 related FT8 messages, 45 CQ messages, observed on 20m, 10m, across 9 UTC dates. Heard between 2026-06-07 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

151

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

20m 10m

First seen: 2026-06-07
Last seen: 2026-08-23 12:32 UTC

Frequent QSO partners observed at SO8OO

Stations S51DM worked most often, as logged from our receiver:

DO1FDK · Fed. Rep. of Germany ×2 DL3NGN · Fed. Rep. of Germany ×2 F4HSB · France ×2 R7TO · European Russia RX9WM · Asiatic Russia DJ2CR · Fed. Rep. of Germany F1HFP · France PA3EVY · Netherlands LY1SR · Lithuania RK3AW · European Russia DL4LBT · Fed. Rep. of Germany DO9BAU · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by S51DM

Approximate centre of JN76, decoded 2026-07-19 07:32 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	S51DM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 14:31	10m	- / -21	RC6OU	-17 / -	3	Partial capture
07-22 16:42	10m	- / -4	PD2BS	-12 / -	3	✓ Closing fragment
07-19 07:27	10m	-12 / -	RK3AW	- / -20	3	✓ Closing fragment
07-18 13:13	10m	- / -7	F4LNM	-4 / -	4	Partial capture
07-18 12:49	10m	- / -5	RN6MA	-7 / -	2	Partial capture
06-27 09:39	10m	- / -	PE1KYP	-6 / -	2	Partial capture
06-25 18:10	10m	-10 / -	DL3NGN	-12 / -	2	✓ Closing observed
06-25 18:04	10m	-10 / -	DL3NGN	-5 / -11	3	✓ Closing observed
06-25 17:56	10m	-11 / -	R7TO	- / -14	2	✓ Closing fragment
06-25 17:38	10m	-4 / -	DO3TOM	- / -10	2	✓ Closing fragment
06-25 17:36	10m	-8 / -4	EA3AGF	-13 / -9	5	✓ Full exchange observed
06-25 17:30	10m	-9 / -3	<...>	-4 / -4	2	Partial capture
06-25 17:20	10m	-9 / -8	DO1FDK	-6 / -18	15	✓ Full exchange observed
06-25 17:17	10m	-12 / -19	DO9BAU	-16 / -1	4	✓ Full exchange observed
06-25 17:16	10m	-13 / -6	PH9OY	-14 / -15	5	✓ Full exchange observed
06-25 17:13	10m	-10 / -	UR5WAI	- / -	2	✓ Closing fragment
06-25 17:11	10m	-12 / -	SQ5WBW/P	- / -5	2	✓ Closing fragment
06-25 17:08	10m	-11 / -	PA3EVY	- / -9	2	✓ Closing fragment
06-25 17:06	10m	-8 / -1	F4HSB	0 / -	5	✓ Closing observed
06-25 17:01	10m	-10 / -	DO1FDK	-6 / -15	7	✓ Closing observed
06-25 16:59	10m	-9 / -	DJ0MAB	-9 / -	3	✓ Closing observed
06-25 16:56	10m	- / +7	IU4QRO	+9 / -	6	✓ Closing fragment
06-25 16:54	10m	- / -	G3TKT	-14 / -	2	✓ Closing fragment
06-25 16:54	10m	- / 0	DO1DI	-6 / -	2	✓ Closing fragment
06-25 16:47	10m	- / -	DO1FDK	-9 / -	3	Partial capture
06-25 16:43	10m	-14 / -	LY1SR	- / -7	2	✓ Closing fragment
06-25 16:41	10m	-16 / -	IU5TSN	-14 / -9	3	✓ Closing observed
06-25 16:41	10m	- / -	DN9BN	-2 / -	4	Partial capture
06-25 16:41	10m	- / -	F4NDC	-3 / -	5	Partial capture
06-25 16:40	10m	-12 / -	DL4LBT	-19 / -15	3	✓ Full exchange observed
06-16 16:58	20m	- / -	JA1VUQ	-10 / -	2	Partial capture
06-16 16:57	20m	- / -19	BA3QIQ	-10 / -	2	Partial capture
06-16 16:53	20m	- / -13	JA0HXV	-1 / -	3	✓ Closing fragment
06-16 16:36	20m	- / -11	RX9WM	+5 / -	3	✓ Closing fragment
06-16 16:32	20m	- / -16	BI4XDT	-21 / -	2	Partial capture
06-07 09:06	20m	- / -15	EA3GAN	-14 / -	4	✓ Closing fragment
06-07 09:03	20m	- / -	F1IQH	-8 / -	4	✓ Closing fragment
06-07 09:00	20m	- / -10	DJ2CR	+1 / -	2	✓ Closing fragment
06-07 08:54	20m	- / -	IW5ALZ	-5 / -	2	✓ Closing fragment
06-07 08:54	20m	- / -	TA3XEE	-10 / -	2	Partial capture
06-07 08:35	20m	- / +3	F4HSB	-5 / -	2	✓ Closing fragment
06-07 08:31	20m	- / -4	RV6F	+3 / -	5	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
072800 -14 2480  RK3AW S51DM 73
072830 -14 2480  CQ S51DM JN76 (x3)
073545  -3 2894  S51DM F1MXE JN05
160600 -16 1105  S51DM PA4AV JO21
162130 -20 1107  S51DM DO2BO JO42
164215  -9  963  S51DM PD2BS JO33 (x3)
165245 -14  962  S51DM DN9ZZ JO32
172945 -14  960  S51DM DL4CH JO43
143145 -17 2207  S51DM RC6OU KN98 (x3)

20m

UTC    dB Audio  Message
090745 -14 1476  S51DM EA3GAN R-15 (x2)
163215 -19 1858  S51DM BI4XDT R-16 (x2)
163615  +6 2630  S51DM RX9WM LO74 (x3)
165345  -2  421  S51DM JA0HXV PM85 (x3)
165745 -11 2779  S51DM BA3QIQ OM99 (x2)
165845 -11 2995  S51DM JA1VUQ PM95 (x2)
092045 -12 2597  S51DM PD1WMD JO21

Decoder S/N history by band

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