R4AJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LN28

Receiver-side FT8 activity involving R4AJ, decoded by SO8OO in southeastern Poland. 96 related FT8 messages, observed on 80m, 40m, 20m, across 22 UTC dates. Heard between 2026-05-26 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

-3 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-26
Last seen: 2026-08-22 20:09 UTC

Frequent QSO partners observed at SO8OO

Stations R4AJ worked most often, as logged from our receiver:

RZ9A · Asiatic Russia EX8ABR/P · Kyrgyzstan M8GGQ · England RV0APH · Asiatic Russia UB4HPQ · European Russia R1BDX · European Russia EA3HKA · Spain R9OOF · Asiatic Russia LZ1JZ · Bulgaria UN2NC · Kazakhstan KP2B · US Virgin Islands R2FDU · Kaliningrad

Activity Heatmap

Locator transmitted by R4AJ

Approximate centre of LN28, decoded 2026-08-22 22:08 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	R4AJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 22:08	80m	-14 / -4	R0QBB/3	+10 / -	3	Partial capture
08-07 22:48	80m	- / -	DO9BAU	+4 / -	11	Partial capture
08-07 22:47	80m	-12 / -	<...>	- / -3	2	Partial capture
08-05 15:52	20m	- / -	RA4LFN	-2 / -	2	Partial capture
07-20 03:56	20m	- / -16	TK5K	-6 / -	2	✓ Closing fragment
07-13 16:42	20m	- / -20	EA3HKA	-13 / -	3	✓ Closing fragment
07-13 16:41	20m	- / -16	UD7G	-6 / -	8	Partial capture
07-13 16:26	20m	- / -16	UD7G	-5 / -	20	Partial capture
07-07 03:39	20m	- / -2	R2EC	-4 / -	2	Partial capture
06-30 02:09	20m	-9 / -	KF0YOB	- / -	13	Partial capture
06-25 05:48	20m	- / -10	EW4DX	-3 / -	3	Partial capture
06-22 03:49	20m	-10 / -7	LZ1JZ	+2 / +9	5	✓ Full exchange observed
06-21 04:42	20m	-7 / -	WC0W	- / -	11	Partial capture
06-21 04:35	20m	-6 / -	WC0W	- / -	3	Partial capture
06-20 06:25	20m	-2 / -15	<...>	+19 / +2	2	Partial capture
06-16 02:51	20m	- / -16	RZ9A	+5 / -	2	✓ Closing fragment
06-11 04:31	20m	- / -16	R2FDU	-1 / -	2	✓ Closing fragment
06-11 02:54	20m	-4 / -	NY3C	- / -	13	Partial capture
06-09 18:53	20m	- / -20	IK4TVP	-15 / -	2	Partial capture
06-09 18:50	20m	- / -8	M8GGQ	+4 / -	2	✓ Closing fragment
06-09 03:58	20m	- / -24	UB4HPQ	-13 / -	3	✓ Closing fragment
06-09 03:55	20m	+2 / -	UN2NC	-8 / -	2	✓ Closing observed
06-09 03:48	20m	0 / -10	R1BDX	-4 / -12	6	✓ Full exchange observed
06-09 03:47	20m	0 / -	KB2ELA	- / -	2	Partial capture
06-09 03:42	20m	+3 / -	KP2B	- / -	6	Partial capture
06-09 03:41	20m	+6 / -	TA2M	- / -	2	Partial capture
06-08 02:17	20m	- / -18	5Z4VJ	+14 / -	4	Partial capture
06-07 04:33	20m	-9 / -	W4PSK	- / -	2	Partial capture
06-07 04:28	20m	-13 / -	AA3B	- / -	3	Partial capture
06-06 17:01	20m	- / -16	R9OOF	+2 / -	2	✓ Closing fragment
06-03 07:56	20m	- / -19	R4ADD	-9 / -	2	Partial capture
06-03 03:23	20m	- / -10	EX8ABR/P	+2 / -	2	✓ Closing fragment
06-03 02:58	20m	- / -13	RV0APH	-8 / -	2	✓ Closing fragment
06-02 02:54	20m	- / -20	CP7DX	-12 / -	2	Partial capture
05-28 02:25	40m	- / -	RK6OV	-17 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
224745 -13 1598  <...> R4AJ R-03
224830  +4 2402  R4AJ DO9BAU JO62 (x11)
220815 -10 2241  <R0QBB/3> R4AJ LN28 (x2)
220900 +10 2242  R4AJ R0QBB/3 -04

20m

UTC    dB Audio  Message
164100 -10  332  R4AJ UD7G -16 (x4)
164245 -11 2225  R4AJ EA3HKA -20
164300  -5  331  R4AJ UD7G -16
164315 -16 2225  R4AJ EA3HKA -20
164330  -4  331  R4AJ UD7G -16
164345 -12 2226  R4AJ EA3HKA RR73
164400  -2  331  R4AJ UD7G -16 (x2)
035630  -4  302  R4AJ TK5K -16 (x2)
155200  -2  385  R4AJ RA4LFN LO44 (x2)

40m

UTC    dB Audio  Message
022530 -17 1256  R4AJ RK6OV KN97 (x2)

Decoder S/N history by band

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