S55OO — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving S55OO, decoded by SO8OO in southeastern Poland. 1,893 related FT8 messages, 1,244 CQ messages, observed on 40m, 20m, 10m, across 32 UTC dates. Heard between 2026-05-21 and 2026-08-16.

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

1,893

Related messages

1,244

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-05-21
Last seen: 2026-08-16 21:59 UTC

Frequent QSO partners observed at SO8OO

Stations S55OO worked most often, as logged from our receiver:

EX8ABR/P · Kyrgyzstan ×2 UT4PA · Ukraine ×2 SQ5WN · Poland ×2 RI0SP · European Russia ×2 DG1RMY · Fed. Rep. of Germany ×2 DA0YFD · Fed. Rep. of Germany DL4JTH · Fed. Rep. of Germany F5LMJ · France S55A · Slovenia HG3FNM · Hungary DL3HO · Fed. Rep. of Germany DF6WE · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by S55OO

Approximate centre of JN76, decoded 2026-08-23 18:21 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	S55OO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 23:32	40m	- / -	EC1A	-17 / -	4	Partial capture
08-16 23:27	40m	- / -9	9K2ES	-22 / -	2	Partial capture
08-16 22:51	40m	- / -	OK2UPG	-1 / -	4	Partial capture
08-16 22:38	40m	- / -	RN6HK	-6 / -	3	Partial capture
08-16 21:58	40m	-16 / -	ER1CW	- / -	4	Partial capture
08-16 21:11	40m	-10 / -	<...>	- / -	3	Partial capture
08-16 21:09	40m	- / -	DK0ACI	-7 / -	3	Partial capture
08-16 21:04	40m	- / -	RW3DDZ	-20 / -	2	Partial capture
08-16 21:02	40m	- / -	ON9MD	-18 / -	3	Partial capture
08-16 20:56	40m	- / -	DK0ACI	-10 / -	10	Partial capture
08-16 20:33	40m	- / -1	YO7LMU	+6 / -	2	Partial capture
08-16 19:57	40m	-4 / -	R6KW	- / -	3	Partial capture
08-16 19:40	40m	- / +3	YO9ADN	-13 / -	3	Partial capture
08-16 19:14	40m	- / -	DL9MY	-7 / -	2	Partial capture
08-16 19:10	40m	- / -	DB6AN	-18 / -	2	Partial capture
08-16 18:58	40m	- / -	OK2BXW	-6 / -	2	Partial capture
08-16 18:48	40m	- / -	R2RCQ	-13 / -	4	Partial capture
08-16 18:44	40m	- / -	RA3THN	-11 / -	3	Partial capture
08-16 18:41	40m	-10 / -	<...>	- / -	4	Partial capture
08-16 18:39	40m	- / -	R2RCQ	-10 / -	4	Partial capture
08-16 18:24	40m	- / -	YO9ADN	-13 / -	3	Partial capture
08-16 18:17	40m	- / -	UB3YCK	-10 / -	2	Partial capture
08-16 18:17	40m	- / -3	R5AV	-14 / -	9	Partial capture
08-16 18:13	40m	- / -	ON6LEO	-8 / -	5	Partial capture
08-16 18:12	40m	- / -	R6YG	-17 / -	3	Partial capture
08-16 17:40	40m	- / -	SQ8V	-6 / -	3	Partial capture
08-16 17:34	40m	-9 / -	R3DIG	- / +6	3	✓ Closing fragment
08-16 17:33	40m	- / -	R3DHP	-20 / -	2	Partial capture
08-16 17:30	40m	-9 / -	OH9DBX	- / -12	5	✓ Closing fragment
08-16 17:25	40m	-6 / -	M7FQH	- / -	5	Partial capture
08-16 17:24	40m	+3 / -	7Z1FF	- / -11	3	✓ Closing fragment
08-16 17:14	40m	-7 / -	M0TJX	- / -14	4	✓ Closing fragment
08-16 17:13	40m	- / -	SQ7LQZ	-20 / -	4	Partial capture
08-16 17:07	40m	- / -	SQ8V	-9 / -	4	Partial capture
08-16 17:04	40m	-10 / -	R6UBD	- / -	5	Partial capture
08-16 17:02	40m	- / -	SP9VEY	-6 / -	3	Partial capture
08-16 16:40	40m	-13 / -	SP3GTP	- / -7	3	✓ Closing fragment
08-16 16:35	40m	-5 / -4	DA0LH	-16 / +1	5	✓ Full exchange observed
08-16 16:17	40m	- / -	R7LC	-14 / -	2	Partial capture
08-16 16:13	40m	-12 / -	DL/PA3DLX/P	- / -4	2	Partial capture
08-16 16:11	40m	-11 / -	ON4CVL	- / -	5	Partial capture
08-16 15:59	40m	+1 / +4	OK2IT	+12 / +1	5	✓ Full exchange observed
08-16 15:47	40m	- / -	US2UM	-18 / -	2	Partial capture
08-16 15:40	40m	- / -	US2UM	-10 / -	3	Partial capture
08-16 15:39	40m	- / 0	HA3GO	-14 / -	4	Partial capture
08-16 15:35	40m	- / -	EU2ABM	-23 / -	4	Partial capture
08-16 15:34	40m	- / 0	HA3GO	-10 / -	5	Partial capture
08-16 15:30	40m	-18 / -	EA4LT	- / -20	4	✓ Closing fragment
08-16 15:26	40m	-14 / -	<...>	- / -12	2	Partial capture
08-16 15:19	40m	-16 / -	EH7PAZ	- / -13	6	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
234615 -20 1578  S55OO EC1A IN73
234830 -16 1579  CQ S55OO JN76 (x12)
182015  -5  782  TA3NK S55OO JN76
182115  -2  751  DJ3HW S55OO JN76

20m

UTC    dB Audio  Message
103415 -19 1435  EA5AXO S55OO 73
103645 -20 1434  CR5VP S55OO JN76 (x5)
103945 -23 1434  <...> S55OO R-12
122415 -16  932  S55OO LA1CO +02 (x2)
125100 -24 1441  S55OO MD0RTZ +02
155745 -12 1026  S55OO MM0INS -04
071445 -24 1450  S55OO EA4D RR73
055100 -16 1574  CT3MD S55OO JN76 (x2)
212600 -24 1306  S55OO ON9MD JO21

10m

UTC    dB Audio  Message
100545  -6 2355  T22TT S55OO JN76 (x7)
081315 -11 2333  S55OO OZ1MAX +01 (x2)
082200 -12 2334  S55OO RU3GF -07 (x2)
082645 -16 1372  <...> S55OO JN76 (x2)
180145 -10  668  S55OO PE1MSU -13 (x2)

Decoder S/N history by band

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