S58AT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN86

Receiver-side FT8 activity involving S58AT, decoded by SO8OO in southeastern Poland. 142 related FT8 messages, 26 CQ messages, observed on 40m, 20m, across 9 UTC dates. Heard between 2026-05-25 and 2026-08-08.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

142

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-05-25
Last seen: 2026-08-08 03:51 UTC

Frequent QSO partners observed at SO8OO

Stations S58AT worked most often, as logged from our receiver:

YL2TM · Latvia W1MLT · United States DM2VC · Fed. Rep. of Germany DG8DAO · Fed. Rep. of Germany PE1ARS · Netherlands UT4PA · Ukraine IZ4VVL · Italy EA3ZH · Spain HB9FMC · Switzerland UT0CK · Ukraine EA2BUW · Spain CR7BRV · Portugal

Activity Heatmap

Locator transmitted by S58AT

Approximate centre of JN86, decoded 2026-06-06 06:14 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	S58AT S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-08 05:47	20m	- / -4	M7OXP	-10 / -	2	Partial capture
08-08 05:44	20m	- / -	CR7BRV	-7 / -	3	✓ Closing fragment
08-01 05:04	20m	- / -1	V31DL	-7 / -	2	Partial capture
08-01 05:00	20m	- / -9	F1PBZ	-6 / -	2	Partial capture
08-01 04:55	20m	- / +3	R5AV	-5 / -	3	✓ Closing fragment
08-01 04:52	20m	- / +6	KD2BRV	-14 / -	6	✓ Closing fragment
07-25 06:00	20m	- / -1	IZ4VVL	-16 / -	2	✓ Closing fragment
07-25 05:50	20m	- / -	F4ISO	+10 / -	5	Partial capture
07-25 05:38	20m	- / +4	KB3Z	-19 / -	3	✓ Closing fragment
06-22 10:10	40m	- / -	UT4PA	-14 / -	5	✓ Closing fragment
06-06 06:00	40m	-2 / -9	UT0CK	-8 / -	7	✓ Closing observed
06-06 05:57	40m	- / -	F4LVF	-4 / -	3	Partial capture
06-06 05:54	40m	-6 / -	<...>	- / +3	2	✓ Closing fragment
06-06 05:51	40m	- / -	ON7HM	-22 / -	2	✓ Closing fragment
05-30 05:43	20m	- / -	RK9UM	-12 / -	2	Partial capture
05-30 05:37	20m	- / -4	KH6M	-2 / -	2	✓ Closing fragment
05-30 05:13	20m	- / -	RA0ZIH	-2 / -	2	Partial capture
05-30 04:52	20m	- / 0	RC8SC	-10 / -	4	Partial capture
05-29 08:03	20m	- / 0	EA5JLB	-11 / -	3	Partial capture
05-29 07:58	20m	- / -	DM2VC	-15 / -	3	✓ Closing fragment
05-29 07:49	20m	- / -1	HB9FMC	-10 / -	4	✓ Closing fragment
05-27 06:02	20m	- / -4	W1MLT	-14 / -	2	✓ Closing fragment
05-27 05:55	20m	- / -12	EA3ZH	-10 / -	2	✓ Closing fragment
05-27 05:53	20m	- / -20	IK4TVP	-7 / -	3	Partial capture
05-27 05:52	20m	- / -	EA3ZH	-6 / -	2	Partial capture
05-27 05:48	20m	- / 0	EA2BUW	-5 / -	5	✓ Closing fragment
05-27 05:32	20m	- / -	DL3RAJ	-9 / -	4	Partial capture
05-27 05:14	20m	- / -	DL3RAJ	-18 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
045545 -10 2259  S58AT R5AV +03 (x3)
050045  -8 2671  S58AT F1PBZ -09 (x2)
050415  -7  917  S58AT V31DL EK57 (x2)
053445 -10 2262  S58AT R4CCE LO21
054815 -16 2264  S58AT PD1HPB JO22
054415 -10  631  S58AT CR7BRV IM58 (x3)
054745  -9 2591  S58AT M7OXP IO92 (x2)
055115 -15 2165  S58AT M7BQC IO94

40m

UTC    dB Audio  Message
060145  -8  731  S58AT UT0CK 73
060200 -13  730  UT0CK S58AT 73 (x3)
060430  -2  730  CQ S58AT JN86 (x2)
060645 -10  731  S58AT YL2TM RR73
060700  +9  730  CQ S58AT JN86 (x3)
101045  -9 1782  S58AT UT4PA KO20 (x5)

Decoder S/N history by band

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