SM4EMO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO79

Receiver-side FT8 activity involving SM4EMO, decoded by SO8OO in southeastern Poland. 103 related FT8 messages, 8 CQ messages, observed on 40m, 20m, 10m, across 15 UTC dates. Heard between 2026-05-13 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.

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Overview

103

Related messages

CQ messages

UTC dates heard

-12 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-13
Last seen: 2026-08-10 07:24 UTC

Frequent QSO partners observed at SO8OO

Stations SM4EMO worked most often, as logged from our receiver:

F1PBZ · France ×2 RC5F · European Russia RI1ANC · Antarctica AD9GE · United States PV8AJ · Brazil RA5BQ · European Russia EA3EDU · Spain A71UN · Qatar M7KSV · England SP9UPH · Poland ON4JMV · Belgium G0JEI · England

Activity Heatmap

Locator transmitted by SM4EMO

Approximate centre of JO79, decoded 2026-08-05 06:13 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	SM4EMO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-10 09:17	10m	- / -20	EA3EDU	-16 / -	14	✓ Closing fragment
08-10 09:12	10m	- / -	IK4LZH	-4 / -	4	Partial capture
08-06 07:06	20m	- / -	F5DGQ	-18 / -	5	Partial capture
08-05 05:48	20m	-19 / -	RI1ANC	- / -7	2	✓ Closing fragment
08-04 16:46	20m	- / -	IU5HIU	-4 / -	6	Partial capture
08-04 16:45	20m	- / -	F4LNQ	-8 / -	2	Partial capture
08-04 16:45	20m	- / -17	YO9PH	-6 / -	2	✓ Closing fragment
08-04 07:00	20m	- / -2	F1PBZ	-6 / -	2	✓ Closing fragment
07-31 06:47	10m	- / +3	A71UN	-8 / -	2	✓ Closing fragment
07-29 07:12	20m	- / +2	M0PBG	-12 / -	2	✓ Closing fragment
07-29 06:37	20m	-22 / -	AD9GE	- / -	2	✓ Closing fragment
07-28 05:41	20m	- / -	SP1MGM	-23 / -	3	Partial capture
07-25 15:13	20m	-19 / -	K7IOC	- / -	2	Partial capture
07-25 15:10	20m	-23 / -	M0SCK	- / -24	3	Partial capture
07-13 06:58	20m	- / +2	OK1DBE	-8 / -	3	✓ Closing fragment
07-09 07:14	20m	-21 / -	T22TT	- / -15	3	Partial capture
07-09 06:33	20m	- / +4	F1PBZ	-10 / -	2	Partial capture
07-04 07:26	20m	- / -	ON4JMV	-16 / -	6	✓ Closing fragment
07-04 07:22	20m	- / +1	RC5F	-18 / -	4	✓ Closing fragment
06-19 17:18	20m	- / -24	MW9LQA	-12 / -	2	Partial capture
06-06 06:41	40m	-19 / -	VP2MAA	- / -	2	Partial capture
06-06 06:37	40m	-16 / -	VP2MAA	- / -	2	Partial capture
06-06 06:09	40m	-18 / -	OA4ENG	- / -	7	Partial capture
06-06 05:53	40m	-16 / -	<...>	- / -	2	Partial capture
06-06 05:05	40m	-14 / -	PV8AJ	- / -16	6	✓ Closing fragment
06-06 04:51	40m	-14 / -	EU2ABM	-17 / -3	3	✓ Closing observed
06-06 04:48	40m	-13 / -15	RA5BQ	-10 / -	2	✓ Closing observed
06-06 04:46	40m	-13 / -	SP9UPH	- / -	2	✓ Closing fragment
06-01 09:17	20m	-10 / -	ON4CVL	- / -12	2	✓ Closing fragment
06-01 09:17	20m	- / -	M7TUP	-10 / -	2	Partial capture
06-01 08:41	20m	- / -	EA4GG	-16 / -	3	Partial capture
06-01 08:41	20m	- / -	PE9JAN	0 / -	2	Partial capture
06-01 08:36	20m	- / -13	SV1EKI	-10 / -	7	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
091345  -8  490  SM4EMO IK4LZH JN54
091745 -15 1815  SM4EMO EA3EDU JN01 (x14)

20m

UTC    dB Audio  Message
054715 -22 1990  K6JO SM4EMO -14
054815 -21 1990  W6WWD SM4EMO -11
054845 -17 1990  RI1ANC SM4EMO -07 (x2)
061045 -16 1518  M7KSV SM4EMO 73
061115 -14 1518  KJ7MMU SM4EMO -01
061145 -19 1518  TA3ZGR SM4EMO R-16
061245 -19 1518  CQ SM4EMO JO79 (x2)
061345 -16 1518  N7UJJ SM4EMO -12
070615 -17 1734  SM4EMO F5DGQ +13 (x5)

40m

UTC    dB Audio  Message
055330 -19 1908  <...> SM4EMO JO79 (x2)
055900 -19 1908  G0BLB SM4EMO JO79
060945 -18 1916  OA4ENG SM4EMO JO79 (x7)
063745 -18 1631  VP2MAA SM4EMO JO79 (x5)

Decoder S/N history by band

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