JK7ATC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JK7ATC, decoded by SO8OO in southeastern Poland. 69 related FT8 messages, observed on 40m, 20m, 10m, across 20 UTC dates. Heard between 2026-05-20 and 2026-08-15.

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

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-20
Last seen: 2026-08-15 11:10 UTC

Frequent QSO partners observed at SO8OO

Stations JK7ATC worked most often, as logged from our receiver:

WE9V · United States ×2 UN0GY · Kazakhstan R6OER · European Russia RC6OU · European Russia IZ2FOS · Italy UA9CMN · Asiatic Russia RA4ABH · European Russia ON4IQ · Belgium F1DJY · France RU4SS · European Russia R9MBV · Asiatic Russia

Activity Heatmap

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	JK7ATC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 13:07	20m	- / -7	ON4IQ	+4 / -	6	✓ Closing fragment
08-04 10:02	20m	- / -17	IZ2FOS	-3 / -	2	✓ Closing fragment
08-04 09:52	20m	- / -14	F1DJY	+6 / -	2	✓ Closing fragment
07-28 13:31	20m	- / -	RA4ABH	+3 / -	2	✓ Closing fragment
07-28 13:26	20m	- / -11	RA4ABH	0 / -	2	Partial capture
07-18 14:09	20m	- / -12	RC6OU	-9 / -	3	✓ Closing fragment
07-17 16:08	10m	- / -	LZ1CWK	-11 / -	4	Partial capture
06-26 00:43	20m	- / -14	UA9CMN	-12 / -	2	✓ Closing fragment
06-16 16:50	40m	- / -	PF7DKW	-12 / -	2	Partial capture
06-11 13:13	20m	- / -20	DL6LAG	+1 / -	7	Partial capture
06-10 00:35	20m	- / -18	UN0GY	+5 / -	3	✓ Closing fragment
06-07 14:01	20m	- / -11	RU4SS	-6 / -	2	✓ Closing fragment
06-06 12:26	20m	- / -12	R9YCB	-16 / -	5	Partial capture
05-29 13:13	20m	- / -9	R6OER	+5 / -	10	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
132630  +0 2631  JK7ATC RA4ABH -11 (x4)
095215  +7 1286  JK7ATC F1DJY -14 (x2)
100200  -4 2519  JK7ATC IZ2FOS -17 (x2)
112100  -8 2576  JK7ATC RM4N -17
130730  +7 2530  JK7ATC ON4IQ JO20 (x6)

10m

UTC    dB Audio  Message
071730 -11  757  JK7ATC ZS6MGM -20
160830 -12  791  JK7ATC LZ1CWK KN32 (x4)

40m

UTC    dB Audio  Message
165030 -11 1712  JK7ATC PF7DKW JO21 (x2)

Decoder S/N history by band

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