JA7OYF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA7OYF, decoded by SO8OO in southeastern Poland. 41 related FT8 messages, observed on 20m, 10m, across 8 UTC dates. Heard between 2026-06-02 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

20m 10m

First seen: 2026-06-02
Last seen: 2026-08-22 13:53 UTC

Frequent QSO partners observed at SO8OO

Stations JA7OYF worked most often, as logged from our receiver:

EA3EQS · Spain OE2LCM · Austria TN8GD · Republic of the Congo DL5SUA · Fed. Rep. of Germany OH5KNL · Finland ZR2SAP · South Africa 7Q8AK · Malawi DL0HNF · Fed. Rep. of Germany SP6FME · Poland DL3FH · Fed. Rep. of Germany

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	JA7OYF S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 15:53	20m	- / -	RA3AHN	-1 / -	2	Partial capture
08-22 15:51	20m	- / -8	US5HL	+12 / -	2	Partial capture
08-22 15:50	20m	- / -14	DL5SUA	+5 / -	3	✓ Closing fragment
08-22 15:50	20m	- / -22	EA3EQS	+2 / -	3	✓ Closing fragment
08-22 15:50	20m	- / -	RC1C	-13 / -	2	Partial capture
08-22 15:49	20m	- / -	RA3AHN	-6 / -	2	Partial capture
08-22 15:48	20m	- / -6	DH1NGL	0 / -	5	Partial capture
08-22 15:44	20m	- / -	RA3AHN	-4 / -	2	Partial capture
08-04 16:03	20m	- / -	DL3FH	-16 / -	2	✓ Closing fragment
08-04 15:56	20m	- / -19	DL0HNF	-3 / -	2	✓ Closing fragment
08-04 15:26	20m	- / -19	DL0HNF	-6 / -	3	Partial capture
08-03 13:47	20m	- / -18	OE2LCM	+6 / -	2	✓ Closing fragment
08-01 21:42	20m	- / -8	TN8GD	-5 / -	2	✓ Closing fragment
06-17 14:32	20m	- / -18	OH5KNL	-4 / -	2	✓ Closing fragment
06-05 14:57	10m	- / -14	9X5KM	-2 / -	2	Partial capture
06-04 15:02	20m	- / -	R9OOF	0 / -	2	Partial capture
06-02 13:28	10m	- / -6	7Q8AK	-16 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
155015  -9 2516  JA7OYF RA3AHN KO95
155015 -16 2028  JA7OYF RC1C KP50
155015  -2  848  JA7OYF EA3EQS JN01
155045  -1 2955  JA7OYF DL5SUA JO53
155045  -2 1428  JA7OYF DH1NGL -06
155045 -10 2028  JA7OYF RC1C KP50
155045  +5  848  JA7OYF EA3EQS R-22
155115  +9 2985  JA7OYF US5HL -08
155115  +3  848  JA7OYF EA3EQS 73
155145 +15 2985  JA7OYF US5HL -08
155215  +5 2955  JA7OYF DL5SUA R-14 (x2)
155315  -2 2516  JA7OYF RA3AHN KO95 (x2)
155345 -11 2029  JA7OYF RC1C KP50

10m

UTC    dB Audio  Message
132830 -16 2275  JA7OYF 7Q8AK -06 (x2)
145730  -2 1898  JA7OYF 9X5KM -14 (x2)

Decoder S/N history by band

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