SM0JSG — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO89

Receiver-side FT8 activity involving SM0JSG, decoded by SO8OO in southeastern Poland. 267 related FT8 messages, 35 CQ messages, observed on 80m, 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-05-17 and 2026-08-10.

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

267

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-17
Last seen: 2026-08-10 19:01 UTC

Frequent QSO partners observed at SO8OO

Stations SM0JSG worked most often, as logged from our receiver:

TA3ZGR · Asiatic Turkey R3HS · European Russia DJ3JD · Fed. Rep. of Germany PD3LKN · Netherlands YO4NT · Romania R3KCW · European Russia IU5AWQ · Italy M7OBM · England RC6OD · European Russia SP5EXA · Poland LU8EKC · Argentina F1ODM · France

Activity Heatmap

Locator transmitted by SM0JSG

Approximate centre of JO89, decoded 2026-08-05 22:13 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	SM0JSG S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-06 21:19	20m	- / -10	GU7DAI	-14 / -	2	✓ Closing fragment
08-05 22:13	80m	-8 / -	DO3BOX	- / -	2	Partial capture
08-05 22:11	80m	-14 / -13	Z62NS	+5 / +7	4	✓ Full exchange observed
08-05 22:08	40m	- / -10	F1HFP	-14 / -	2	✓ Closing fragment
08-05 21:55	40m	- / -4	SP6LUT	-8 / -	4	✓ Closing fragment
08-05 21:54	40m	- / +3	SP0DF	-16 / -	2	✓ Closing fragment
08-05 21:49	40m	- / -15	DL9KM	-13 / -	3	✓ Closing fragment
08-05 07:33	20m	- / -7	G4DBW	-6 / -	2	✓ Closing fragment
08-05 07:23	20m	- / -9	F1ODM	-14 / -	4	Partial capture
08-05 07:06	20m	- / -	RA6OY	0 / -	6	Partial capture
08-05 07:03	20m	- / -22	R3KCW	-13 / -	2	✓ Closing fragment
08-05 07:03	20m	- / -	M0LAD	-2 / -	2	Partial capture
08-01 22:18	20m	- / -12	PS8ARP	-11 / -	4	✓ Closing fragment
07-30 18:55	20m	- / -7	M7OBM	-6 / -	3	✓ Closing fragment
07-30 18:52	20m	- / -5	DJ3JD	-4 / -	2	✓ Closing fragment
07-23 09:53	20m	- / -	DB5BC	-15 / -	3	Partial capture
07-23 09:45	20m	- / -5	R3HS	-12 / -	3	✓ Closing fragment
07-22 21:14	80m	-14 / 0	SP2GJI	+12 / +3	4	✓ Full exchange observed
07-22 21:10	80m	-4 / -3	DB100FT	-13 / -6	3	Partial capture
07-22 21:00	80m	-10 / 0	SP7AAO	+9 / -16	7	✓ Full exchange observed
07-22 20:59	80m	- / -20	DM8ET	-6 / -	3	✓ Closing fragment
07-22 20:58	80m	- / -	YO5USA	+1 / -	5	Partial capture
07-22 20:53	80m	-8 / -11	DO1MDO	+3 / -12	7	✓ Full exchange observed
07-22 20:52	80m	- / -	SP5DFK	-6 / -	2	Partial capture
07-22 20:45	80m	-8 / -6	9A4ZM	+8 / -16	5	✓ Full exchange observed
07-22 20:45	80m	- / -19	DB7SO	-8 / -	8	Partial capture
07-22 20:38	80m	-5 / -	DD7EE	+20 / -14	3	Partial capture
07-22 20:38	80m	-18 / -12	YO4NT	+12 / -20	3	✓ Full exchange observed
07-22 20:36	80m	-10 / -17	RC6OD	+6 / -10	5	✓ Full exchange observed
06-25 22:07	20m	- / -3	IU5AWQ	-19 / -	2	✓ Closing fragment
06-25 22:00	20m	-10 / -	EA3GXK	- / -12	3	✓ Closing fragment
06-25 21:27	20m	- / -	SV5BYP	-20 / -	5	Partial capture
06-25 21:23	20m	- / -19	LU8EKC	-4 / -	3	✓ Closing fragment
06-23 06:47	20m	- / -19	TK4QP	+1 / -	3	✓ Closing fragment
06-23 06:35	20m	-13 / -	VP2MAA	- / -19	2	Partial capture
06-21 07:47	20m	- / -14	TA3ZGR	-12 / -	2	✓ Closing fragment
06-20 22:32	40m	- / -8	F1PBZ	-5 / -	2	Partial capture
06-20 22:32	40m	-21 / +10	SP5EXA	-4 / -	4	✓ Full exchange observed
06-18 21:23	40m	-4 / -17	SV9QWC	-8 / 0	5	✓ Full exchange observed
06-13 22:39	40m	- / -14	F5OYA/P	-11 / -	20	Partial capture
06-13 22:31	40m	+2 / -14	F5OYA/P	-12 / -24	13	Partial capture
06-13 22:29	40m	0 / -5	OK1AR	+12 / +4	7	✓ Full exchange observed
06-13 22:26	40m	-4 / -14	F5OYA/P	-18 / -25	4	Partial capture
06-13 22:26	40m	0 / -2	PA2KV	+2 / -19	6	✓ Full exchange observed
06-13 22:24	40m	-4 / -	SP7TF	- / 0	2	✓ Closing fragment
06-13 22:24	40m	- / -	F1IQH	-7 / -	3	Partial capture
06-13 22:19	40m	-14 / -16	OO7J	-9 / -1	5	✓ Full exchange observed
06-13 22:17	40m	-9 / -	UX7QG	- / -8	3	✓ Closing fragment
06-13 21:45	40m	-6 / -	HB10GBT	- / -	2	Partial capture
06-11 20:27	20m	- / -18	BD5CAM	-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
071645 -12 1570  SM0JSG F5SZB IN95
071830 -16 2471  SM0JSG RV3KC KO90
072330 -13 2470  SM0JSG F1ODM -09 (x4)
073345  -6 2110  SM0JSG G4DBW -07 (x2)
210330 -16 1017  SM0JSG F1ODM RR73
210530  +1 1634  SM0JSG CT1EEX RR73
211900 -10  975  SM0JSG GU7DAI -10 (x2)
194400  -1 2572  SM0JSG F1PBZ RR73
203015 -20 1002  SM0JSG EI/SQ1MP -02
210115  -2  616  SM0JSG ON1AEY JO11

40m

UTC    dB Audio  Message
223445 -24 1613  SM0JSG F6FHZ R-05
220945 -17 1954  SM0JSG I1WUA -16
214945 -14 1401  SM0JSG DL9KM JN68 (x3)
215400 -16 2034  SM0JSG SP0DF +03 (x2)
215500  -7 2404  SM0JSG SP6LUT JO80 (x4)
215845  -5  867  SM0JSG GB64MOD -08
220815 -12 2144  SM0JSG F1HFP -10 (x2)
203430  -8  981  SM0JSG EN35UKR -12

80m

UTC    dB Audio  Message
210515 +13  925  SM0JSG DD7EE JO41
211015  -3 1102  DB100FT SM0JSG JO89
211030 -13 1102  SM0JSG DB100FT -03
211045  -4 1102  <DB100FT> SM0JSG R-06
211415 +11 1797  SM0JSG SP2GJI +00
211430 -13 1796  SP2GJI SM0JSG R+03
211445 +12 1797  SM0JSG SP2GJI RR73
211500 -15 1796  SP2GJI SM0JSG 73
212115 -10 1469  CT7AUT SM0JSG -17
221145  +3  890  SM0JSG Z62NS -13
221200 -15  891  Z62NS SM0JSG R+07
221215  +7  891  SM0JSG Z62NS RR73
221230 -14  891  Z62NS SM0JSG 73
221300 -10  785  DO3BOX SM0JSG JO89 (x2)

10m

UTC    dB Audio  Message
160730 -19 2001  SM0JSG LX1RFJ -08 (x2)

Decoder S/N history by band

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