SQ5RJA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: KO02

Receiver-side FT8 activity involving SQ5RJA, decoded by SO8OO in southeastern Poland. 327 related FT8 messages, 58 CQ messages, observed on 80m, 40m, 20m, across 18 UTC dates. Heard between 2026-05-29 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

327

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-29
Last seen: 2026-08-22 13:47 UTC

Frequent QSO partners observed at SO8OO

Stations SQ5RJA worked most often, as logged from our receiver:

IQ4JO · Italy ×2 S58MU · Slovenia PA3BUD · Netherlands PD3LKN · Netherlands R3KCW · European Russia RU3QR · European Russia DL2VEL · Fed. Rep. of Germany SP9LS · Poland IZ5FSO · Italy SP9ARL · Poland F4FSY · France DO1BOC · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by SQ5RJA

Approximate centre of KO02, decoded 2026-08-16 05:22 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	SQ5RJA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 15:45	20m	- / -	F4NKF	-6 / -	5	Partial capture
08-16 10:50	40m	- / -14	SQ8GBG	-6 / -	3	✓ Closing fragment
08-16 05:16	80m	+2 / -8	SQ7LQT	+6 / -9	4	✓ Full exchange observed
08-16 05:13	40m	- / -10	S58MU	-10 / -	4	✓ Closing fragment
08-16 04:55	40m	- / -	PA3BUD	-10 / -	2	✓ Closing fragment
07-23 07:54	20m	- / -	PD1WMD	-8 / -	2	Partial capture
07-23 07:34	20m	- / -24	DL1UDO	-15 / -	4	Partial capture
07-23 07:30	20m	- / -18	IK4TVP	-16 / -	5	✓ Closing fragment
07-23 07:29	20m	-4 / -	DL2FX	- / -10	2	✓ Closing fragment
07-22 07:26	20m	- / -	F4HSB	-20 / -	2	✓ Closing fragment
07-22 07:19	20m	- / -	IK2IKW	-12 / -	2	✓ Closing fragment
07-21 09:11	20m	- / -19	PD1ADA	-18 / -	4	Partial capture
07-21 08:55	20m	- / -12	DG7CF	-18 / -	2	✓ Closing fragment
07-21 08:54	20m	- / +4	YO6PPX	-6 / -	2	Partial capture
07-21 08:44	20m	- / -	PD0WL	-22 / -	2	Partial capture
07-21 08:33	20m	- / -	IK4LZH	+4 / -	3	✓ Closing fragment
07-21 07:50	20m	- / -18	R4FDW	-16 / -	6	Partial capture
07-21 07:46	20m	- / -	HA1BL	+6 / -	2	✓ Closing fragment
07-20 20:26	80m	-11 / -9	SP9LS	+10 / -3	4	✓ Full exchange observed
07-20 14:06	20m	- / -20	PD3LKN	-17 / -	3	✓ Closing fragment
07-20 13:42	20m	- / +3	HB9CNU	-15 / -	3	✓ Closing fragment
07-20 12:01	20m	- / -23	PA2AMJ	-18 / -	2	✓ Closing fragment
07-20 11:48	20m	- / -	PD3PAM	-22 / -	2	Partial capture
07-20 11:47	20m	- / +4	F4AWT	-11 / -	3	✓ Closing fragment
07-20 11:38	20m	- / -15	PD2WL	-21 / -	2	✓ Closing fragment
07-20 11:33	20m	- / -22	F2VX	-1 / -	5	Partial capture
07-20 11:32	20m	- / -11	F5HNQ	-8 / -	3	✓ Closing fragment
07-20 07:08	40m	- / -6	SP9UPH	-19 / -	4	✓ Closing fragment
07-17 06:51	40m	- / -16	DL6UCK	-23 / -	2	Partial capture
07-16 21:58	80m	- / -	EA1IOK	-5 / -	3	Partial capture
07-16 21:55	80m	+4 / -	SQ5EKY	- / -	2	Partial capture
07-16 21:53	80m	- / -	UA4FKT	+14 / -	2	Partial capture
07-16 21:52	80m	-1 / -	<...>	- / -7	2	Partial capture
07-16 21:40	80m	-3 / -	SQ5EKY	- / -	12	Partial capture
07-16 21:29	80m	+3 / -	SQ5EKY	- / -	9	Partial capture
07-16 21:28	20m	- / -16	IU5AWQ	-24 / -	3	Partial capture
07-16 07:15	20m	- / -	DL1UDO	-16 / -	4	Partial capture
07-16 07:04	80m	- / -	SO5A	-2 / -	2	✓ Closing fragment
07-15 06:07	20m	- / -9	LZ1ZF	-9 / -	2	✓ Closing fragment
07-15 05:57	20m	- / -11	R3KCW	-8 / -	3	✓ Closing fragment
07-14 06:59	40m	- / -	OM3TFP	-15 / -	2	Partial capture
07-14 06:43	20m	- / -15	EA5ET	-15 / -	3	✓ Closing fragment
07-14 06:13	40m	- / -15	SP9OJ	-8 / -	3	Partial capture
06-06 21:39	80m	-12 / -17	DL2VEL	+3 / -9	5	✓ Full exchange observed
06-06 21:36	80m	-4 / -13	OE8PIT	+7 / -10	6	✓ Full exchange observed
06-06 21:35	80m	-6 / -	SQ3BYH	- / -	3	Partial capture
06-06 21:32	80m	-14 / -3	SP5BB	+22 / -	3	✓ Closing observed
06-06 21:30	80m	-10 / -6	9A5E	+16 / -8	3	✓ Full exchange observed
06-06 21:24	80m	-15 / -8	SP5DFK	0 / -10	6	✓ Full exchange observed
06-06 21:20	80m	0 / +1	SP7ROM	-8 / -14	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
073245 -17 2059  SQ5RJA IK4TVP -18 (x2)
073445 -14 1173  SQ5RJA DL1UDO JO31 (x4)
075415  -8  546  SQ5RJA PD1WMD JO21 (x2)
070100  -4 2588  SQ5RJA IQ4JO 73
154345 -24  558  SQ5RJA DK5OPA 73
154515  -5  768  SQ5RJA F4NKF JN13 (x5)

40m

UTC    dB Audio  Message
070900 -21 1923  SQ5RJA SP9UPH R-06 (x2)
072300 -22 1481  SQ5RJA SP5ROM -02
134800 -22 2087  SQ5RJA SQ9BDB R-12
045330  -7 2408  SQ5RJA DL8TV JN49
045500 -11  669  SQ5RJA PA3BUD JO21 (x2)
051300 -11  764  SQ5RJA S58MU R-10 (x4)
105015  -4 1559  SQ5RJA SQ8GBG KN09 (x3)
105745  -8  798  SQ5RJA SP9NSQ -15

80m

UTC    dB Audio  Message
051515  +5  637  CQ SQ5RJA KO02 (x2)
051600  +5 1841  SQ5RJA SQ7LQT -08
051615  +8  637  SQ7LQT SQ5RJA R-09
051630  +8 1841  SQ5RJA SQ7LQT RR73
051645  -4  637  SQ7LQT SQ5RJA 73
051745  -7  637  CQ SQ5RJA KO02 (x9)

Decoder S/N history by band

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