S57DEV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN75

Receiver-side FT8 activity involving S57DEV, decoded by SO8OO in southeastern Poland. 50 related FT8 messages, 41 CQ messages, observed on 20m, across 1 UTC dates. Last heard 2026-08-12.

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

Related messages

CQ messages

UTC dates heard

-1 dB

Mean decoder S/N

Bands

20m

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

Frequent QSO partners observed at SO8OO

Stations S57DEV worked most often, as logged from our receiver:

SP5DUJ · Poland HB9HYO · Switzerland G4CFS · England EA3ISZ · Spain SP9UPH · Poland DD0AM · Fed. Rep. of Germany M8KKH · England EA5D · Spain UW8SM · Ukraine M7CCZ · England IU6TPB · Italy PC2J · Netherlands

Locator transmitted by S57DEV

Approximate centre of JN75, decoded 2026-08-12 09:23 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	S57DEV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-12 09:12	20m	+2 / -	UW8SM	- / -12	2	✓ Closing fragment
08-12 09:09	20m	-2 / -	PD3FR	- / -5	2	Partial capture
08-12 09:02	20m	+2 / -8	DL8WEM	+1 / -13	6	Partial capture
08-12 08:59	20m	-2 / -	SP5DUJ	- / -19	3	✓ Closing fragment
08-12 08:57	20m	+1 / -	M8KKH	- / -16	2	✓ Closing fragment
08-12 08:54	20m	+2 / -	SP9UPH	- / -	2	✓ Closing fragment
08-12 08:51	20m	0 / -16	PC2J	-1 / -10	7	✓ Full exchange observed
08-12 08:49	20m	-2 / -	M7CCZ	- / -17	2	✓ Closing fragment
08-12 08:48	20m	-2 / -	G4CFS	- / -7	2	✓ Closing fragment
08-12 08:45	20m	+2 / -	IU6TPB	- / -1	2	✓ Closing fragment
08-12 08:43	20m	-1 / -	DD0AM	- / -6	3	✓ Closing fragment
08-12 08:42	20m	-3 / -	DL6LAY	- / -	3	Partial capture
08-12 08:41	20m	-5 / -	DB2VS	- / -	2	Partial capture
08-12 08:36	20m	-3 / -	EA5D	-13 / -9	2	✓ Closing observed
08-12 08:32	20m	-8 / -	HB9HYO	- / -10	2	✓ Closing fragment
08-12 08:29	20m	-2 / -	EA3ISZ	- / -9	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
091415  -7 2950  CQ S57DEV JN75 (x3)
091715  -3 2950  DG1RMY S57DEV RR73
091815  -1 2950  CQ S57DEV JN75 (x11)