JA9JAI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA9JAI, decoded by SO8OO in southeastern Poland. 84 related FT8 messages, observed on 20m, across 20 UTC dates. Heard between 2026-05-11 and 2026-08-06.

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

-2 dB

Mean decoder S/N

Bands

20m

First seen: 2026-05-11
Last seen: 2026-08-06 19:09 UTC

Frequent QSO partners observed at SO8OO

Stations JA9JAI worked most often, as logged from our receiver:

IK2YVA · Italy DL2MIJ · Fed. Rep. of Germany HC2GRC · Ecuador YO6OGW · Romania SP4MSY · Poland YO8PS · Romania IW3RQT · Italy HB9TVS · Switzerland SV8DCY · Greece RW0IM · Asiatic Russia IQ6PE · Italy EA1B · Spain

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	JA9JAI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-06 21:01	20m	- / -	HB9TIH	-24 / -	2	Partial capture
08-06 20:54	20m	- / -15	YO6LM	-12 / -	4	✓ Closing fragment
08-06 20:51	20m	- / -14	HB9TVS	-16 / -	4	✓ Closing fragment
08-05 20:33	20m	- / -16	EA1B	-10 / -	2	✓ Closing fragment
07-24 20:46	20m	- / -14	9A5E	-11 / -	3	Partial capture
07-24 20:44	20m	- / -11	UR3LM	+7 / -	3	✓ Closing fragment
06-15 20:52	20m	- / -17	SV8DCY	+6 / -	2	✓ Closing fragment
06-12 20:21	20m	- / -15	DL2MIJ	+10 / -	3	✓ Closing fragment
06-12 20:11	20m	- / -5	E70A	+20 / -	2	✓ Closing fragment
06-11 21:06	20m	- / -3	BG2FYO	-6 / -	3	✓ Closing fragment
06-10 21:26	20m	- / -14	EA5IIG	+4 / -	2	Partial capture
06-10 21:04	20m	- / -	IK2YVA	+5 / -	4	Partial capture
06-10 21:01	20m	- / -6	HA3LI	+6 / -	2	✓ Closing fragment
06-10 20:58	20m	- / -	IQ7PU	-8 / -	2	✓ Closing fragment
06-09 21:21	20m	-8 / -	YO8PS	- / -1	2	✓ Closing fragment
06-09 21:19	20m	-8 / -16	SP4MSY	-17 / -9	3	✓ Full exchange observed
06-09 21:16	20m	-11 / -	SP6AXW	- / -	2	✓ Closing fragment
06-09 21:11	20m	- / -15	US5HL	-2 / -	2	Partial capture
06-09 21:09	20m	- / -16	BG2EFX	-11 / -	3	✓ Closing fragment
06-08 20:46	20m	- / +1	YO6OGW	+8 / -	2	✓ Closing fragment
06-06 20:40	20m	- / -6	SV9QWC	+5 / -	2	Partial capture
06-06 20:32	20m	-6 / -	F4JRC	- / -	2	Partial capture
06-06 10:20	20m	- / -17	RW0IM	-4 / -	2	✓ Closing fragment
05-31 20:53	20m	-12 / -	F8ADY	- / +1	2	Partial capture
05-27 21:01	20m	- / -12	IK7IMK	-14 / -	2	✓ Closing fragment
05-27 07:37	20m	- / -14	HC2GRC	-4 / -	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
204700  -8 2208  JA9JAI 9A5E R-14
202915 -10 2386  JA9JAI EA1B IN83 (x3)
205100 -18 1929  JA9JAI HB9TVS -14 (x3)
205400 -15 2338  JA9JAI YO6LM -15
205400 -15 1929  JA9JAI HB9TVS RR73
205430 -13 2338  JA9JAI YO6LM -10 (x3)
210100 -23 1685  JA9JAI HB9TIH JN36 (x2)
210930  -5 2711  JA9JAI IW3RQT RR73

Decoder S/N history by band

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