JO7KFN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JO7KFN, decoded by SO8OO in southeastern Poland. 112 related FT8 messages, 2 CQ messages, observed on 40m, 20m, across 28 UTC dates. Heard between 2026-04-22 and 2026-06-29.

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

112

Related messages

CQ messages

UTC dates heard

-0 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-04-22
Last seen: 2026-06-29 20:25 UTC

Frequent QSO partners observed at SO8OO

Stations JO7KFN worked most often, as logged from our receiver:

UA4FKT · European Russia BD8SN · China RK9S · Asiatic Russia 4X1UF · Israel YU7ZZ · Serbia 4L1FL · Georgia OE8DDX · Austria DF3IS · Fed. Rep. of Germany BI1AFK · China LX1TI · Luxembourg RZ4FWA · European Russia HG3FMZ · Hungary

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	JO7KFN S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-29 22:24	20m	- / -17	OE8DDX	-9 / -	2	✓ Closing fragment
06-25 20:42	20m	- / -12	DF3IS	-6 / -	4	✓ Closing fragment
06-22 19:10	20m	- / -22	R2DMV	-8 / -	4	✓ Closing fragment
06-15 19:38	20m	- / -	Z34K	0 / -	5	Partial capture
06-14 20:51	20m	-17 / -16	YO2CPS	0 / -	4	Partial capture
06-14 20:48	20m	- / -11	E75C	+4 / -	2	✓ Closing fragment
06-14 20:42	20m	-16 / -	SM0EJR	- / -11	2	Partial capture
06-14 20:11	20m	- / -12	HB9EFK	+10 / -	2	✓ Closing fragment
06-13 20:14	20m	- / -10	YO4DW	+2 / -	2	✓ Closing fragment
06-11 19:17	20m	- / -18	JY5IB	+3 / -	2	✓ Closing fragment
06-11 18:33	20m	- / -6	RK9S	+9 / -	2	✓ Closing fragment
06-11 18:32	20m	- / -15	UA3PI	+3 / -	2	Partial capture
06-11 18:32	20m	- / -16	4L1FL	+9 / -	3	✓ Closing fragment
06-10 21:02	20m	- / -13	HA3LI	+3 / -	2	✓ Closing fragment
06-08 18:09	20m	- / -21	RZ4FWA	+4 / -	2	✓ Closing fragment
06-08 17:58	20m	- / -16	LX1TI	+20 / -	2	✓ Closing fragment
06-07 10:14	20m	- / -17	RD5F	-17 / -	3	Partial capture
06-06 20:53	20m	- / -	RA3ZH	+10 / -	3	Partial capture
06-03 19:10	20m	- / -	Z34K	-10 / -	4	Partial capture
06-03 19:00	20m	- / -14	IQ4LH	-22 / -	2	Partial capture
06-01 20:56	20m	-14 / -	PE3T	- / +2	2	✓ Closing fragment
06-01 20:42	20m	-13 / -	US5WFL	- / -13	2	✓ Closing fragment
06-01 20:36	20m	-12 / -	SV9TLU	- / -4	2	Partial capture
06-01 20:28	20m	-14 / -	A61CK	- / -	2	Partial capture
06-01 16:24	20m	- / -	RA3ZH	+8 / -	2	Partial capture
05-30 21:10	20m	- / -17	E70SZ	+3 / -	7	Partial capture
05-29 20:01	20m	- / -	RA3ZH	-12 / -	2	Partial capture
05-29 20:00	20m	- / -15	HG3FMZ	+6 / -	3	✓ Closing fragment
05-29 19:58	20m	-18 / -	UF5F	- / -2	2	✓ Closing fragment
05-28 20:52	20m	-14 / -	UA4FKT	- / -16	2	✓ Closing fragment
05-28 20:46	20m	- / -12	4X1UF	+8 / -	2	✓ Closing fragment
05-27 20:36	20m	- / -20	TA2ANK	+12 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
193945  -2  367  JO7KFN Z34K KN01 (x2)
191045  -6 2588  JO7KFN R2DMV KO84 (x4)
224700  -9 2656  JO7KFN T77RN -17 (x2)
204245  -3 1806  JO7KFN DF3IS R-12 (x4)
203015  -6 1990  JO7KFN S52WD -24
222445  -7 2286  JO7KFN OE8DDX -17 (x2)

40m

UTC    dB Audio  Message
195430 -10 2719  JO7KFN D2UY -16

Decoder S/N history by band

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