S51BB — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving S51BB, decoded by SO8OO in southeastern Poland. 134 related FT8 messages, 33 CQ messages, observed on 20m, 10m, across 12 UTC dates. Heard between 2026-06-26 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

134

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

20m 10m

First seen: 2026-06-26
Last seen: 2026-08-23 17:20 UTC

Frequent QSO partners observed at SO8OO

Stations S51BB worked most often, as logged from our receiver:

TA2ED · Asiatic Turkey DN9OPA · Fed. Rep. of Germany R6LS · European Russia PD0LBY · Netherlands R2BMP · European Russia DL1HXA · Fed. Rep. of Germany PD9FLX · Netherlands SV2CLJ · Greece DK4RH · Fed. Rep. of Germany PC9K · Netherlands VO1ACZ · Canada SP1MGM · Poland

Activity Heatmap

Locator transmitted by S51BB

Approximate centre of JN76, decoded 2026-08-23 19:20 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	S51BB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:14	20m	-22 / -	S56OB	- / -	2	✓ Closing fragment
08-23 19:11	20m	- / -2	F4VTR	+11 / -	3	✓ Closing fragment
08-23 19:05	20m	- / -7	EI4JFB	-10 / -	3	✓ Closing fragment
08-23 19:02	20m	- / -14	G0OFD	-6 / -	4	✓ Closing fragment
08-12 22:26	20m	- / -15	PA2KV	-10 / -	2	Partial capture
08-10 22:51	20m	+3 / -	JA1XIA	- / -5	2	Partial capture
08-10 22:46	20m	0 / -	BA5AW	- / +2	7	✓ Closing fragment
08-10 22:43	20m	-2 / -	BG5GFU	- / -19	2	Partial capture
08-10 22:42	20m	+2 / -	HP1RY	- / -7	2	✓ Closing fragment
08-10 22:41	20m	-2 / -	VO1ACZ	- / -7	3	✓ Closing fragment
08-10 22:38	20m	+3 / -	Z62NS	- / -	4	Partial capture
08-09 14:33	20m	0 / -	DK4RH	-17 / 0	3	✓ Closing observed
08-09 14:08	20m	-8 / -	F1HSY	-24 / +1	3	Partial capture
08-09 14:07	20m	-7 / -	SP1MGM	- / -1	2	✓ Closing fragment
08-09 14:02	20m	-4 / -	R6LS	- / -7	3	✓ Closing fragment
08-09 14:02	20m	- / -	PE9JAN	-20 / -	2	Partial capture
08-08 07:33	20m	- / -	PD4HT	-8 / -	2	Partial capture
08-08 06:47	20m	- / -	SV2AOB	-6 / -	3	✓ Closing fragment
08-08 06:36	20m	- / -	CR7BRV	-14 / -	2	✓ Closing fragment
08-07 06:22	20m	-18 / -10	PD9FLX	-19 / -4	5	✓ Full exchange observed
08-07 06:21	20m	-18 / -	R8LCA	- / -2	3	✓ Closing fragment
08-07 06:17	20m	-21 / -	TA2EE	- / -9	4	✓ Closing fragment
08-07 06:16	20m	-20 / -	YO4NT	-7 / -	2	✓ Closing observed
08-06 18:24	20m	- / -14	TA2ED	-9 / -	2	✓ Closing fragment
07-26 15:26	20m	-12 / -	ON4LDZ	- / 0	2	Partial capture
07-26 15:24	20m	-12 / -	PD9FLX	-9 / -2	3	Partial capture
07-26 15:21	20m	-16 / -	PD9JPV	- / -18	2	Partial capture
07-26 15:18	20m	-16 / -	PD9FLX	-23 / -7	4	Partial capture
07-26 15:16	20m	-15 / -	R2BMP	- / -19	4	✓ Closing fragment
07-26 15:13	20m	-15 / -	F5IXN	- / +2	3	✓ Closing fragment
07-26 15:05	20m	-16 / -	DL1HXA	- / -1	2	✓ Closing fragment
07-26 14:43	20m	-20 / -6	F1PBZ	-6 / +10	4	Partial capture
07-26 14:41	20m	-17 / -9	DB1EF	-20 / -	3	✓ Closing observed
06-29 10:28	10m	- / -3	PD0HLA	-10 / -	2	Partial capture
06-29 10:28	10m	- / -7	TM2WWA	+4 / -	5	Partial capture
06-29 10:12	10m	- / +2	F6EXV	-11 / -	3	Partial capture
06-29 10:05	10m	- / +3	TM2WWA	+12 / -	5	Partial capture
06-29 09:45	10m	- / 0	PD0HLA	-4 / -	7	Partial capture
06-29 09:43	10m	- / -	EA3CU	-14 / -	5	✓ Closing fragment
06-29 09:43	10m	- / +3	F5TMJ	+2 / -	2	✓ Closing fragment
06-28 22:01	10m	-14 / -	PD0LBY	- / -	2	✓ Closing fragment
06-28 21:51	10m	- / -16	DN9OPA	-6 / -	3	✓ Closing fragment
06-28 21:43	10m	- / 0	CT1FJO	-11 / -	3	✓ Closing fragment
06-28 21:30	10m	- / 0	M0SSK	-16 / -	2	Partial capture
06-28 21:25	10m	- / -	SV2CLJ	-2 / -	4	✓ Closing fragment
06-27 10:53	10m	- / -14	PD0HLA	-2 / -	3	Partial capture
06-26 20:40	10m	- / -13	OZ1BIN	-22 / -	2	Partial capture
06-26 19:52	10m	- / +2	M0BEW	-6 / -	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
190330  -5 1978  S51BB G0OFD R-14 (x2)
190530  -7 2029  S51BB EI4JFB IO63 (x3)
190815 -23 1978  EA3ISA S51BB RR73
191100 +10 1979  S51BB F4VTR JN25 (x3)
191415 -22 1980  S56OB S51BB +23 (x2)
191515 -22 1979  CQ S51BB JN76                         a1
191730  -9 1788  S51BB UT1EF 73
191945 -12 1980  CQ S51BB JN76 (x2)

10m

UTC    dB Audio  Message
101215 -11 2515  S51BB F6EXV IN94 (x2)
101245  -2 2570  S51BB PD0HLA +02
101315 -12 2515  S51BB F6EXV R+02
102815  +2 2797  S51BB TM2WWA -07
102815  -8 2570  S51BB PD0HLA -03
102845  -4 2446  S51BB SV2AOB KN10
102845  +5 2796  S51BB TM2WWA -07
102845 -11 2570  S51BB PD0HLA -02
102915  +2 2797  S51BB TM2WWA -07 (x3)
160445 -21 2094  A71QQ S51BB JN76
210800 -18 1329  S51BB DO1TEM RR73
214415 -24 1444  CQ S51BB JN76

Decoder S/N history by band

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