SP7CKU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: KO01

Receiver-side FT8 activity involving SP7CKU, decoded by SO8OO in southeastern Poland. 246 related FT8 messages, 43 CQ messages, observed on 80m, 40m, 20m, across 11 UTC dates. Heard between 2026-06-19 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

246

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 40m 20m

First seen: 2026-06-19
Last seen: 2026-08-23 00:21 UTC

Frequent QSO partners observed at SO8OO

Stations SP7CKU worked most often, as logged from our receiver:

OE8DDX · Austria ×2 DH3GAR · Fed. Rep. of Germany EA2CD · Spain DD7EE · Fed. Rep. of Germany OK2VCR · Czech Republic F4JVF · France R3KCW · European Russia SV5BYP · Dodecanese IU5VLR · Italy IQ0VT · Italy LY2MM · Lithuania CT7AIU · Portugal

Activity Heatmap

Locator transmitted by SP7CKU

Approximate centre of KO01, decoded 2026-08-23 02:21 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	SP7CKU S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 02:19	40m	-22 / -	K8NWN	- / -	2	Partial capture
08-23 02:16	40m	-21 / -10	AG2K	0 / -	5	✓ Closing observed
08-23 02:09	80m	+12 / -12	SV9MBH	-7 / -7	4	✓ Full exchange observed
08-23 02:07	40m	-22 / -	IR7MGGC	- / -	2	Partial capture
08-23 02:00	40m	-14 / -3	EA5HM	-8 / -2	6	✓ Full exchange observed
08-23 01:57	40m	-15 / -	WE2N	- / -20	2	Partial capture
08-23 01:43	40m	-16 / -	SV1ENV	-8 / -11	3	✓ Closing observed
08-22 02:18	20m	- / -4	R3KCW	+8 / -	2	✓ Closing fragment
08-22 02:13	20m	- / -14	TA1BJ	-12 / -	2	✓ Closing fragment
08-17 02:27	80m	+12 / -3	IK6GTF	-8 / -5	6	✓ Full exchange observed
08-15 01:28	80m	+9 / -1	LB5CK	-8 / -	2	Partial capture
08-15 01:24	80m	- / -	9A3AUH	+8 / -	12	Partial capture
08-15 01:22	80m	- / -	DO5PY	+4 / -	3	Partial capture
08-15 01:22	80m	+8 / +1	SP1ZMO	+11 / +1	9	✓ Full exchange observed
08-15 01:21	80m	- / -	G8OO	-1 / -	9	Partial capture
08-14 00:42	80m	+15 / -7	GB8VJ	-12 / -5	5	✓ Full exchange observed
08-14 00:41	80m	+12 / -	DO1ID	- / -	2	Partial capture
08-12 21:55	80m	+12 / +8	TF4M	+2 / -5	5	✓ Full exchange observed
08-12 21:52	80m	+17 / -	IK2TPX	-9 / -13	3	✓ Closing observed
08-12 21:52	80m	- / -	R4FDD	-7 / -	5	Partial capture
08-12 21:49	80m	+11 / -9	DG9FEH	-15 / -11	5	✓ Full exchange observed
08-12 02:48	80m	+11 / -	EA4D	- / -	2	Partial capture
08-12 02:46	80m	+12 / +5	SV3CEZ	-5 / -8	5	✓ Full exchange observed
08-12 02:39	40m	- / -	DL9KM	-15 / -	5	Partial capture
08-12 00:21	20m	- / -9	F4JVF	-12 / -	2	✓ Closing fragment
08-11 23:59	20m	- / -	9A3AUH	-1 / -	3	Partial capture
08-11 23:57	20m	- / -18	RV6LN	-18 / -	2	✓ Closing fragment
08-11 23:47	20m	- / -20	R5AJ	-15 / -	3	✓ Closing fragment
08-11 19:57	80m	+16 / -	GU4WRP	- / -	2	Partial capture
08-11 19:54	80m	+17 / -	US5WFL	- / -11	3	✓ Closing fragment
08-11 19:51	80m	+14 / -	GU4WRP	- / -	3	Partial capture
08-11 19:36	20m	- / -2	F1ODM	0 / -	2	✓ Closing fragment
08-11 19:13	40m	-8 / -10	IK0BAL	-18 / -11	3	✓ Full exchange observed
08-11 18:59	40m	-17 / -8	UT3XM	-12 / -	3	✓ Closing observed
08-11 18:54	40m	-11 / -	SI9YL	- / -12	2	Partial capture
08-11 18:53	40m	-10 / -	EA2DCD	- / -	2	Partial capture
08-11 18:43	80m	+15 / 0	DO9FR	-5 / -7	5	✓ Full exchange observed
08-11 01:01	20m	- / -5	YO4NF	-8 / -	2	Partial capture
08-11 00:37	80m	+12 / -20	F1TYP	-15 / -	9	Partial capture
08-10 00:58	80m	+14 / -	W2LO	- / -	2	Partial capture
08-10 00:49	40m	- / +3	EA3AAY	-18 / -	2	✓ Closing fragment
08-10 00:48	80m	- / +6	DO1OAS	-2 / -	3	Partial capture
08-10 00:45	80m	- / -	DH2YBG	+9 / -	6	Partial capture
08-10 00:42	80m	+9 / -4	CT7AUT	-12 / -12	5	✓ Full exchange observed
08-10 00:42	80m	- / -	DH2YBG	+9 / -	2	Partial capture
08-10 00:40	80m	- / -	DO5PY	+3 / -	2	Partial capture
08-10 00:40	80m	+13 / -1	GM4KHE	-18 / -19	4	✓ Full exchange observed
08-10 00:37	80m	+8 / -2	OE8DDX	+14 / +1	5	✓ Full exchange observed
08-10 00:11	80m	+15 / +2	OE8DDX	+19 / +1	4	✓ Full exchange observed
08-09 19:58	80m	+16 / -9	DO8DT	+4 / -15	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
020200 -18 1996  EA5HM SP7CKU RR73
020215  -9 1578  SP7CKU EA5HM 73
020500 -22 1995  CQ SP7CKU KO01 (x2)
020730 -22 1995  <IR7MGGC> SP7CKU KO01 (x2)
021430 -24 1995  N8FMD SP7CKU KO01
021630 -22 1994  AG2K SP7CKU KO01 (x2)
021715  +0  710  SP7CKU AG2K -10 (x2)
021800 -20 1994  AG2K SP7CKU 73
021900 -23 1994  K8NWN SP7CKU KO01 (x2)
022100 -22 1994  CQ SP7CKU KO01                        a1

80m

UTC    dB Audio  Message
012915  +7 2459  SP7CKU 9A3AUH JN75 (x2)
013015  -8 1619  SP7CKU LB5CK -01
022715  +9 1968  IK6GTF SP7CKU KO01 (x2)
022830  -3  893  SP7CKU IK6GTF -03
022845 +10 1968  IK6GTF SP7CKU R-05
022900 -12  893  SP7CKU IK6GTF RR73
022915 +17 1968  IK6GTF SP7CKU 73
020930  -5 1487  SP7CKU SV9MBH -12
020945 +12 1968  SV9MBH SP7CKU R-07
021000  -9 1487  SP7CKU SV9MBH RR73
021015 +11 1968  SV9MBH SP7CKU 73
021045 +11 1969  CQ SP7CKU KO01 (x2)

20m

UTC    dB Audio  Message
235730 -18 1761  SP7CKU RV6LN -18 (x2)
235930  -1 2538  SP7CKU 9A3AUH JN75 (x3)
002100 -14  938  SP7CKU F4JVF -09 (x2)
003430 -12  680  SP7CKU EC5M -09
004815 -23 1755  SP7CKU SV5BYP RR73
014230 -20 1851  SP7CKU IK4TVP -12
021300 -14 1774  SP7CKU TA1BJ -14 (x2)
021800  +6 1226  SP7CKU R3KCW -04 (x2)
022030 -13 2012  SP7CKU YO4NF -01

Decoder S/N history by band

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