JA8YAC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA8YAC, decoded by SO8OO in southeastern Poland. 87 related FT8 messages, observed on 20m, across 14 UTC dates. Heard between 2026-05-14 and 2026-08-11.

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

-6 dB

Mean decoder S/N

Bands

20m

First seen: 2026-05-14
Last seen: 2026-08-11 13:11 UTC

Frequent QSO partners observed at SO8OO

Stations JA8YAC worked most often, as logged from our receiver:

E75C · Bosnia-Herzegovina UA3SNB · European Russia YT1MP · Serbia 9A2RD · Croatia DJ7TO · Fed. Rep. of Germany RA4ABH · European Russia UR4QWW · Ukraine HB9BEP · Switzerland OK2CNI · Czech Republic

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	JA8YAC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-11 15:01	20m	- / -14	E75C	-6 / -	2	✓ Closing fragment
08-11 14:24	20m	- / -	DL1R	-6 / -	6	Partial capture
08-11 14:08	20m	- / -25	EI8GS	-12 / -	2	Partial capture
08-10 07:36	20m	- / -16	DJ7TO	+16 / -	3	✓ Closing fragment
08-09 14:12	20m	- / -	YT1MP	-10 / -	2	✓ Closing fragment
08-08 14:43	20m	- / -	RA4ABH	-10 / -	4	✓ Closing fragment
07-30 14:12	20m	- / -	RA3TRR	-2 / -	2	Partial capture
07-25 14:44	20m	- / -	HB9DPZ	-11 / -	4	Partial capture
07-25 14:43	20m	- / -11	HB9BEP	-14 / -	4	✓ Closing fragment
06-12 23:01	20m	- / -20	UR4QWW	-8 / -	4	✓ Closing fragment
06-12 22:24	20m	- / -23	9A2RD	+18 / -	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
073715 +19 2646  JA8YAC DJ7TO -16 (x2)
135045 +10 2511  JA8YAC OK2CNI RR73
140845 -14 2152  JA8YAC EI8GS -25 (x2)
141930 -17 2328  JA8YAC R4RL -10
142430  -2 2673  JA8YAC DL1R JN58 (x6)
150100  -6 2083  JA8YAC E75C -14 (x2)
151100  +1 2994  JA8YAC RQ6B KN94

Decoder S/N history by band

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