SM4MI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO69

Receiver-side FT8 activity involving SM4MI, decoded by SO8OO in southeastern Poland. 127 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 19 UTC dates. Heard between 2026-05-27 and 2026-08-17.

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

127

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-27
Last seen: 2026-08-17 19:25 UTC

Frequent QSO partners observed at SO8OO

Stations SM4MI worked most often, as logged from our receiver:

TM8WWA · France ×4 II7WWA · Italy ×4 II6WWA · Italy ×3 TM2WWA · France ×3 GB2WWA · England ×3 CR2WWA · Azores ×2 II2WWA · Italy ×2 DA0WWA · Fed. Rep. of Germany ×2 SN0WWA · Poland ×2 TN8GD · Republic of the Congo PU3CFS · Brazil EG4WWA · Spain

Activity Heatmap

Locator transmitted by SM4MI

Approximate centre of JO69, decoded 2026-08-20 20:05 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	SM4MI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 20:05	40m	-1 / -	VK2NN	- / -14	3	✓ Closing fragment
08-20 14:15	20m	-6 / -	IZ3WUW/P	- / -4	3	Partial capture
08-20 14:13	20m	-6 / -	CT1END/P	- / -3	2	Partial capture
08-17 21:24	80m	+10 / -13	9A3AUH	+7 / -5	5	✓ Full exchange observed
08-17 21:23	80m	+11 / -	CT3MD	- / +10	3	✓ Closing fragment
08-17 16:21	20m	- / +6	UA4FEN	+4 / -	4	Partial capture
08-15 13:47	20m	- / -	F5MYH	-8 / -	10	Partial capture
08-15 13:46	20m	-20 / -	6K2MAS	- / -15	2	✓ Closing fragment
08-14 20:01	40m	-4 / -	2I0WMN	- / -16	2	✓ Closing fragment
08-14 19:44	20m	-15 / -	<...>	- / -10	18	Partial capture
08-13 21:09	40m	-12 / -	MW3LSD	- / +7	2	✓ Closing fragment
08-13 21:06	40m	-7 / -	<...>	- / -	3	Partial capture
08-13 21:05	40m	-8 / -	7Z1AL	- / -21	2	✓ Closing fragment
08-13 21:02	40m	-7 / -	<...>	- / -	3	Partial capture
08-13 20:58	40m	-4 / -	VJ6X	- / -25	4	✓ Closing fragment
08-13 20:54	40m	-8 / -	<...>	- / -15	8	Partial capture
08-13 20:52	40m	-9 / -	VK6BAD	- / -	2	Partial capture
08-13 20:41	40m	-8 / -	<...>	- / -19	17	Partial capture
08-12 20:44	20m	+9 / -	4X1UF	- / -1	3	✓ Closing fragment
08-12 18:27	20m	-15 / -	BU2FW	- / -5	4	✓ Closing fragment
08-12 18:23	20m	- / -13	UT3XM	-13 / -	6	Partial capture
08-12 18:21	20m	-9 / -	SP5IP/P	- / -13	2	Partial capture
08-11 19:41	20m	-23 / -	JG5VFK	- / -25	2	Partial capture
08-11 19:38	20m	-14 / -	<...>	- / +4	3	Partial capture
08-11 18:56	20m	-19 / -	<...>	- / -4	3	Partial capture
08-11 15:45	20m	-2 / -	C91RU	- / -13	13	Partial capture
08-11 15:43	20m	-11 / -	CR5VP	- / -3	2	✓ Closing fragment
07-22 08:39	20m	-11 / -	3A2MW	- / -	2	Partial capture
07-13 16:53	10m	-3 / -	SV2CLJ	- / -25	3	✓ Closing fragment
07-13 16:52	10m	-2 / -	OK2XCG	- / -12	2	✓ Closing fragment
07-13 16:49	10m	-4 / -	TN8GD	- / -18	5	✓ Closing fragment
07-09 21:28	20m	-2 / -	M6MHG	- / -	2	Partial capture
07-09 21:27	20m	+4 / -	M0DPK	- / -	2	Partial capture
07-09 21:23	20m	+3 / -	TA3XEE	- / -13	3	✓ Closing fragment
07-09 21:21	20m	-2 / -13	G3ROY	-10 / -14	5	✓ Full exchange observed
07-09 21:18	20m	-2 / -	V31MA	- / -	2	Partial capture
07-04 07:18	20m	0 / -	EG4WWA	- / -13	3	✓ Closing fragment
07-04 07:17	20m	+3 / -	DL6LG	- / -20	2	Partial capture
07-04 07:15	20m	-4 / -	II8WWA	- / -11	2	Partial capture
07-04 07:14	20m	+2 / +5	II1WWA	-4 / 0	3	Partial capture
07-04 07:11	20m	+2 / -	II8WWA	- / -12	4	Partial capture
07-03 15:01	20m	-12 / -	BA7CK	- / -	4	Partial capture
07-03 14:57	20m	-5 / -	II2WWA	- / -7	3	✓ Closing fragment
07-03 14:56	20m	-5 / -	II6WWA	- / +3	3	✓ Closing fragment
07-03 14:52	20m	-2 / -	3B8WWA	- / -	6	✓ Closing fragment
07-03 14:50	20m	-5 / +4	DN4TG	-4 / -10	5	Partial capture
07-03 14:48	20m	-12 / -	OP0WWA	- / -14	3	Partial capture
07-03 14:27	20m	-7 / -	UP7WWA	- / -	5	Partial capture
07-03 14:23	20m	+1 / -15	TM8WWA	-20 / -24	8	✓ Full exchange observed
07-03 14:20	20m	-4 / -	CR2WWA	- / -15	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
210245  -5 2010  <...> SM4MI JO69 (x2)
210545 -10 1762  7Z1AL SM4MI R-21 (x2)
210645  -6 2007  <...> SM4MI JO69 (x3)
210900 -12 1368  MW3LSD SM4MI R+07 (x2)
200100  -5 2435  2I0WMN SM4MI R-16 (x2)
200515  -3 1785  VK2NN SM4MI JO69 (x3)
201000  +5 2022  F8KIC/P SM4MI R-20

20m

UTC    dB Audio  Message
135000 -10 2431  SM4MI F5MYH JN07 (x4)
162115  +7  863  SM4MI UA4FEN +06 (x4)
141145 -11 2078  F8KIC/P SM4MI JO69
141345  -8 1118  CT1END/P SM4MI R-03 (x2)
141515  -2 1993  IZ3WUW/P SM4MI JO69 (x3)
142345  -8  793  CT1END/P SM4MI JO69

80m

UTC    dB Audio  Message
204400  -1 1200  SM4MI II2WWA -01
204415  +3  847  II2WWA SM4MI R-06
204430  +0 1200  SM4MI II2WWA RR73
204445  +0  847  II2WWA SM4MI 73
204630 -13 2092  SM4MI OH5WWA +19 (x3)
212315 +10  802  CT3MD SM4MI JO69 (x3)
212430 +10 2372  SM4MI 9A3AUH JN75
212445 +11  802  9A3AUH SM4MI -05
212500  +8 2372  SM4MI 9A3AUH R-13
212515  +8  802  9A3AUH SM4MI RR73
212530  +3 2372  SM4MI 9A3AUH 73

10m

UTC    dB Audio  Message
121145 -10  928  GB2WWA SM4MI JO69 (x3)
100945 -18 1361  SM4MI E71DOC 73
164915  -6  883  TN8GD SM4MI JO69 (x5)
165215  -2  883  OK2XCG SM4MI -12 (x2)
165315  -3  883  SV2CLJ SM4MI -25 (x3)
165445  -2  883  SV1EKI SM4MI -01

Decoder S/N history by band

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