AJ4RJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving AJ4RJ, decoded by SO8OO in southeastern Poland. 33 related FT8 messages, observed on 20m, across 7 UTC dates. Heard between 2026-05-06 and 2026-07-29.

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.

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

Overview

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m

First seen: 2026-05-06
Last seen: 2026-07-29 00:57 UTC

Frequent QSO partners observed at SO8OO

Stations AJ4RJ worked most often, as logged from our receiver:

F4DVX/P · France ×3 7Z1BH · Saudi Arabia DK5UR · 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	AJ4RJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
07-29 02:56	20m	- / -	EA3GGM	-4 / -	3	Partial capture
07-29 01:22	20m	- / -	OD5KU	-9 / -	3	Partial capture
07-21 06:04	20m	- / -	IK2JYT	-16 / -	2	Partial capture
07-21 06:03	20m	- / -11	DL3OCF	-4 / -	2	Partial capture
06-25 00:07	20m	- / -6	F4DVX/P	-24 / -	2	✓ Closing fragment
06-24 23:45	20m	- / 0	F4DVX/P	-18 / -	2	✓ Closing fragment
06-24 23:36	20m	- / -8	F4DVX/P	-17 / -	2	✓ Closing fragment
06-24 00:04	20m	- / -	SV5BYP	0 / -	4	Partial capture
06-23 20:01	20m	- / -	RU3SD	-6 / -	5	Partial capture
06-09 00:50	20m	-6 / -14	7Z1BH	-4 / -5	6	✓ Full exchange observed
06-09 00:47	20m	-8 / -	K8LDX	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
000715 -24 1725  AJ4RJ F4DVX/P -06 (x2)
054330  -5 2695  AJ4RJ DK5UR RR73
054430  +0 2695  AJ4RJ F5LOW -02
060330 -10 1603  AJ4RJ DL3OCF -11
060400 -17  797  AJ4RJ IK2JYT JN45
060400  +3 2781  AJ4RJ DL3OCF JO51
060430 -15  797  AJ4RJ IK2JYT JN45
081700 -10 1172  AJ4RJ PA3GHJ -18
012230  -6 2624  AJ4RJ OD5KU KM73 (x3)
025600  -6 1229  AJ4RJ EA3GGM JN11 (x3)

Decoder S/N history by band

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