SN4K — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: KO03

Receiver-side FT8 activity involving SN4K, decoded by SO8OO in southeastern Poland. 2,096 related FT8 messages, 282 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 77 UTC dates. Heard between 2026-05-25 and 2026-08-22.

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

2,096

Related messages

282

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-22 15:48 UTC

Frequent QSO partners observed at SO8OO

Stations SN4K worked most often, as logged from our receiver:

G0RVY · England ×9 IK4LZH · Italy ×5 F1IQH · France ×4 UT6HN · Ukraine ×3 F1PBZ · France ×3 ON4VMA · Belgium ×2 EW3MA · Belarus ×2 M0ENG · England ×2 DH1KJ · Fed. Rep. of Germany ×2 DJ7XB · Fed. Rep. of Germany ×2 F4FTV · France ×2 SP5DFK · Poland ×2

Activity Heatmap

Locator transmitted by SN4K

Approximate centre of KO03, decoded 2026-08-21 21:04 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	SN4K S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 16:29	20m	- / -	M7KPQ	-9 / -	6	Partial capture
08-22 16:24	20m	- / -13	RK3AF	+6 / -	2	Partial capture
08-21 21:04	80m	+2 / -	ON5VKE	- / -11	2	Partial capture
08-21 21:03	80m	-4 / -	DL1YAW/P	- / -	2	Partial capture
08-21 21:00	80m	-5 / -	DA6LRW	-19 / -12	6	✓ Closing observed
08-21 20:59	80m	+1 / -	DO6CH	- / -	3	Partial capture
08-21 20:55	80m	+5 / -1	ON5VKE	-11 / -11	4	Partial capture
08-21 20:53	80m	+4 / -	R8LCI	- / -12	3	✓ Closing fragment
08-21 20:52	80m	+4 / -	HB3YPJ	- / -	2	Partial capture
08-21 20:46	80m	+10 / -7	R3VA	-8 / -9	5	✓ Full exchange observed
08-21 20:44	80m	+9 / -	DL3YAV	- / -	3	Partial capture
08-21 20:42	80m	+9 / +9	SK5AD	0 / +3	6	✓ Full exchange observed
08-21 20:40	80m	+12 / -	OZ2SPACE	-10 / +10	3	Partial capture
08-21 20:39	80m	+8 / -	SK5AD	- / -	2	Partial capture
08-21 20:35	80m	+12 / -11	R2EA/P	0 / -5	5	✓ Full exchange observed
08-21 20:34	80m	+16 / -	PA3GDY	+2 / 0	4	✓ Closing observed
08-21 20:24	80m	+6 / -	RM3TO	- / -13	2	✓ Closing fragment
08-21 20:22	80m	+7 / -	MX0HFC	- / -	3	Partial capture
08-21 20:19	80m	+3 / -5	DL7HS	+3 / +6	5	✓ Full exchange observed
08-21 20:14	80m	-2 / -13	UA6BCB	+4 / -9	6	✓ Full exchange observed
08-21 20:11	80m	-2 / -6	EA1SAL	+4 / -6	6	✓ Full exchange observed
08-21 20:09	80m	+2 / -	R2EA/P	- / -	2	Partial capture
08-21 20:06	80m	+1 / -	RA2FU	-11 / -4	8	✓ Full exchange observed
08-21 20:02	80m	+3 / -	SP1ZMO	- / +5	6	Partial capture
08-21 19:59	80m	+7 / -	M3BGE	- / -15	5	✓ Closing fragment
08-21 19:57	80m	+1 / 0	IK3ASM	-8 / -8	3	✓ Full exchange observed
08-21 19:55	80m	+6 / -	UA1OJL	-12 / -17	4	✓ Closing observed
08-21 19:53	80m	+8 / -8	SP1ZMO	0 / -4	5	✓ Full exchange observed
08-21 19:51	80m	+12 / +5	DF3YG	-13 / -4	6	✓ Full exchange observed
08-21 19:47	80m	+8 / +7	DL3IKE	-2 / -6	6	✓ Full exchange observed
08-21 19:44	80m	+6 / -1	UB1Q	-13 / -6	5	✓ Full exchange observed
08-21 19:39	80m	+4 / -12	R8LCI	-13 / -	6	Partial capture
08-21 19:36	80m	+8 / +7	OH2CI	-2 / +3	5	✓ Full exchange observed
08-21 19:34	80m	+5 / -	DL8NW	-8 / -7	5	✓ Full exchange observed
08-21 19:31	80m	+8 / -	RX3DRC	- / -	2	Partial capture
08-21 19:27	80m	+11 / -3	OH4KRN	-13 / -7	4	✓ Full exchange observed
08-21 19:24	80m	+9 / +7	DL7FE	-6 / 0	3	Partial capture
08-21 19:22	80m	+11 / -11	UG4L	-5 / -12	7	✓ Full exchange observed
08-21 19:18	40m	+2 / -10	PD1AQL	-14 / -12	7	✓ Full exchange observed
08-21 19:15	40m	+1 / -	PD1GOL	- / -15	3	✓ Closing fragment
08-21 19:14	40m	-5 / -12	PD0RDD	-4 / -11	5	✓ Full exchange observed
08-21 19:10	40m	-10 / -	PD1GOL	- / -15	4	Partial capture
08-21 19:05	40m	-4 / -	DA1EA	0 / -8	6	✓ Full exchange observed
08-21 19:03	40m	-10 / -	G4XEE	+3 / -7	4	✓ Closing observed
08-21 19:00	40m	- / -	CT2GQA	-17 / -	3	Partial capture
08-21 18:59	40m	- / -	PD0PVY	-4 / -	3	Partial capture
08-21 18:50	40m	-13 / +5	US8KA	+1 / -10	4	✓ Full exchange observed
08-21 18:48	40m	-15 / -	ON4AOI	+5 / +2	4	✓ Closing observed
08-21 15:52	10m	- / 0	IU2EBR	-7 / -	2	✓ Closing fragment
08-21 10:39	10m	- / 0	DO3VS	-20 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
142430  +6 2472  SN4K DM2DXA -02 (x2)
170445  -3 2063  SN4K MW0AXD IO81 (x4)
162430  +8 2292  SN4K RK3AF -13 (x2)
162930 -15 1121  SN4K M7KPQ IO82 (x6)
174815 -12  793  SN4K M9LHX JO01

80m

UTC    dB Audio  Message
205545 -11 1160  SN4K ON5VKE -01
205600  +6 1164  ON5VKE SN4K R-11
205900  -2 1723  DO6CH SN4K KO03 (x3)
210030  -7 1328  DA6LRW SN4K KO03 (x5)
210245 -19 1324  SN4K DA6LRW RR73
210330  -5 2306  DL1YAW/P SN4K KO03 (x2)
210430  +3 2306  ON5VKE SN4K R-11 (x2)

40m

UTC    dB Audio  Message
191400  -4 2397  SN4K PD0RDD -12
191415  -3 2402  PD0RDD SN4K R-11 (x2)
191500  -3 2397  SN4K PD0RDD RR73
191515  -4 2402  PD0RDD SN4K 73
191545  -2 2402  PD1GOL SN4K R-15 (x3)
191830  -2 2303  PD1AQL SN4K KO03
191845 -14 2299  SN4K PD1AQL -10
191900  +3 2303  PD1AQL SN4K R-12
191915 -15 2299  SN4K PD1AQL RR73
191930  +4 2303  PD1AQL SN4K R-12
191945 -16 2298  SN4K PD1AQL RR73 (x2)

10m

UTC    dB Audio  Message
102300 -12 1633  SN4K DK1MBY JN58 (x4)
102630 -13  853  SN4K DN9SHA JO31 (x4)
103930 -21 1840  SN4K DO3VS +00 (x2)
104500 -12 1753  SN4K DO5STL JO31
155215  -6 1472  SN4K IU2EBR +00 (x2)
163700 -18 1514  SN4K IU1QZR -15
164030 -14  891  SN4K G0RVY JO01

160m

UTC    dB Audio  Message
211200  +0  857  SN4K HG25CCS -09 (x2)
211245 -11  857  HG25CCS SN4K KO03
211300  +1  857  SN4K HG25CCS -15 (x3)
211415 -24 1697  OH7ML SN4K KO03
211430 -15 1696  SN4K OH7ML -09 (x2)
211545 -19 1697  OH7ML SN4K R-18 (x4)
212115 -16 1899  CQ SN4K KO03
212230 -22 1900  SN4K IU3WNP JN55

Decoder S/N history by band

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