JA8COE — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: QN13

Receiver-side FT8 activity involving JA8COE, decoded by SO8OO in southeastern Poland. 25 related FT8 messages, observed on 20m, across 4 UTC dates. Heard between 2026-07-14 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.

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Overview

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

20m

First seen: 2026-07-14
Last seen: 2026-08-22 04:37 UTC

Frequent QSO partners observed at SO8OO

Stations JA8COE worked most often, as logged from our receiver:

G4CFS · England TJ1GD/P · Cameroon 4Z5MY · Israel LZ4VR · Bulgaria S54E · Slovenia SP6FME · Poland

Activity Heatmap

Locator transmitted by JA8COE

Approximate centre of QN13, decoded 2026-07-21 21:28 UTC. A transmitted locator is not proof of the operator's permanent location.

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	JA8COE S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 06:36	20m	- / -	F5NBU	+3 / -	4	Partial capture
07-21 21:26	20m	-13 / -	TU5MM	- / -	4	Partial capture
07-21 20:33	20m	-6 / -	TU5MM	- / -	3	Partial capture
07-21 20:29	20m	-2 / -	TU5MM	- / -	2	Partial capture
07-21 20:14	20m	- / -5	IK4TVP	-8 / -	6	Partial capture
07-21 20:09	20m	-7 / -	TJ1GD/P	- / -11	3	✓ Closing fragment
07-14 20:04	20m	- / -12	I1FLC	-15 / -	5	Partial capture
07-14 20:03	20m	-15 / -11	G4CFS	-4 / -	6	✓ Closing observed
07-14 20:03	20m	-12 / -	S54E	- / 0	2	✓ Closing fragment
07-14 20:01	20m	-15 / -	LZ4VR	-16 / -8	2	✓ Closing observed
07-14 20:00	20m	-16 / -	4Z5MY	- / -4	2	✓ Closing fragment
07-14 19:52	20m	-12 / -	TN8GD	- / -5	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
201645  -6 2229  JA8COE IK4TVP -05
202900  +0 2764  TU5MM JA8COE QN13 (x9)
063330 -15  858  JA8COE NP3RK FK68
063600  +4 2629  JA8COE F5NBU JN28 (x4)

Decoder S/N history by band

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