R5ACQ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving R5ACQ, decoded by SO8OO in southeastern Poland. 980 related FT8 messages, 455 CQ messages, observed on 80m, 40m, 20m, 10m, across 19 UTC dates. Heard between 2026-06-01 and 2026-08-23.

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

980

Related messages

455

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-06-01
Last seen: 2026-08-23 17:08 UTC

Frequent QSO partners observed at SO8OO

Stations R5ACQ worked most often, as logged from our receiver:

R7CD · European Russia ×2 UA4FKT · European Russia ×2 R50RKZ · European Russia ×2 RL3P · European Russia ×2 DN9GU · Fed. Rep. of Germany ×2 RM5F · European Russia ×2 UB3LBU · European Russia ×2 DH8BAC · Fed. Rep. of Germany ×2 R4HHN · European Russia ×2 PH7GD · Netherlands RA0SCA · Asiatic Russia RU4B · European Russia

Activity Heatmap

Locator transmitted by R5ACQ

Approximate centre of KO85, decoded 2026-08-23 19:11 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	R5ACQ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:11	80m	+2 / -	UA3NCN	- / +4	2	Partial capture
08-23 19:06	80m	-6 / -6	OZ1KEF	+4 / -6	6	✓ Full exchange observed
08-23 18:59	80m	-8 / +2	EW8AAC	+4 / 0	5	✓ Full exchange observed
08-23 18:51	80m	-1 / -	R6HD	-6 / -6	4	✓ Closing observed
08-23 18:46	80m	0 / -7	SP5DFK	-4 / -21	3	✓ Full exchange observed
08-23 18:37	80m	-4 / -4	R1BLO	-12 / -4	4	✓ Full exchange observed
08-23 18:34	80m	- / -	DK4RH	-5 / -	7	Partial capture
08-23 18:30	80m	-2 / -15	UA0TP	-21 / -22	5	✓ Full exchange observed
08-23 18:30	80m	-2 / +1	DM2BM	-5 / -22	5	✓ Full exchange observed
08-23 18:28	80m	+5 / -6	RK4HS	-13 / -1	5	✓ Full exchange observed
08-23 18:22	80m	0 / -	RU3XK	- / -	2	Partial capture
08-23 18:18	80m	-2 / -6	OK1FRG	+7 / -9	5	✓ Full exchange observed
08-23 18:15	80m	-4 / -17	RA9UAD	-23 / -23	5	✓ Full exchange observed
08-23 18:13	80m	-6 / -6	RA6ZD	-22 / -23	4	✓ Full exchange observed
08-23 18:11	80m	-2 / +6	RY3F	-4 / +10	4	✓ Full exchange observed
08-23 18:08	80m	-6 / -	R3ND	- / -1	4	✓ Closing fragment
08-23 18:03	80m	-2 / +3	UA9FKM	-14 / -12	7	✓ Full exchange observed
08-23 18:01	80m	-2 / 0	RK6OQ	+20 / +3	6	✓ Full exchange observed
08-23 18:01	80m	+3 / -	RU3XK	-3 / -	5	Partial capture
08-23 17:55	40m	-8 / -	<...>	- / -	2	Partial capture
08-23 14:28	40m	-20 / -10	RA3AJT	-8 / -	3	✓ Closing observed
08-23 12:05	20m	- / -2	EX7DY	-6 / -	2	Partial capture
08-23 12:03	20m	- / -	ON1AJ	0 / -	5	Partial capture
08-23 11:57	20m	-16 / -	<...>	- / -18	3	Partial capture
08-23 11:44	20m	-19 / -	<...>	- / -13	3	Partial capture
08-22 21:01	80m	- / +5	RA6FYL	-3 / -	3	✓ Closing fragment
08-22 20:51	80m	-5 / -	CT3MD	- / -19	3	✓ Closing fragment
08-22 20:45	80m	-7 / -	R4RZ	- / -	2	✓ Closing fragment
08-22 20:42	80m	-14 / -	UA0SCF	- / -19	2	✓ Closing fragment
08-22 20:41	80m	- / -	F6BHK	-17 / -	2	Partial capture
08-22 20:38	80m	-6 / -8	DH8BAC	+10 / -2	8	✓ Full exchange observed
08-22 20:38	80m	-6 / 0	RN6HK	-2 / +6	5	✓ Full exchange observed
08-22 20:35	80m	-4 / -1	R1BDX	-16 / -11	4	✓ Full exchange observed
08-22 20:33	80m	-2 / +9	R3PA	-14 / 0	7	✓ Full exchange observed
08-22 20:31	80m	-9 / +6	R0QBB/3	+6 / -	3	Partial capture
08-22 20:27	80m	-6 / -	EI4KF	- / -15	4	Partial capture
08-22 20:26	80m	+2 / -	<...>	- / -	3	Partial capture
08-22 20:25	80m	- / -	DL9KM	-6 / -	7	Partial capture
08-22 20:23	80m	-2 / -10	YU7AS	+16 / -13	5	✓ Full exchange observed
08-22 20:19	80m	-7 / -	RO2X	+2 / -	6	✓ Full exchange observed
08-22 20:14	80m	+2 / -1	SP1MGM	+4 / -4	6	✓ Full exchange observed
08-22 20:10	80m	-2 / -	SV9MBH	- / -21	2	✓ Closing fragment
08-22 20:07	80m	-2 / -16	IK0HBN	+6 / -	4	✓ Closing observed
08-22 20:07	80m	- / -	SM7HWD	-20 / -	2	Partial capture
08-22 20:05	80m	+2 / 0	E70SZ	+4 / -9	5	✓ Full exchange observed
08-22 20:04	80m	-2 / -	DD8BA	- / -19	2	✓ Closing fragment
08-22 20:01	80m	-7 / +2	R5BI	-22 / +1	5	✓ Full exchange observed
08-22 17:23	80m	-4 / -2	R1BED	-16 / -10	6	✓ Full exchange observed
08-22 17:23	80m	-2 / -6	UA9FFV	-12 / -6	4	✓ Full exchange observed
08-22 17:22	80m	-6 / -	RA4HPQ	- / -17	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
190200  +3 1876  R5BS R5ACQ KO85
190330  -6 1876  CQ R5ACQ KO85 (x5)
190615  -7 1875  OZ1KEF R5ACQ KO85 (x2)
190715  -4 1875  CQ R5ACQ KO85
190730  +6 2478  R5ACQ OZ1KEF -06
190745  -7 1876  OZ1KEF R5ACQ R-06
190800  +1 2478  R5ACQ OZ1KEF RR73
190815  -7 1875  OZ1KEF R5ACQ 73
191100  -2 1875  UA3NCN R5ACQ KO85 (x2)

40m

UTC    dB Audio  Message
142800 -18 1808  CQ R5ACQ KO85
142845 -11 1808  R5ACQ RA3AJT -10 (x2)
142930 -20 1808  RA3AJT R5ACQ 73
143015 -21 1808  CQ R5ACQ KO85
143045 -22 1808  R3NAW R5ACQ KO85
143245 -23 1808  CQ R5ACQ KO85 (x2)
143415 -21 1908  R3NAW R5ACQ -09
143600 -20 1908  UB4HVA R5ACQ RR73
143630 -16 1908  CQ R5ACQ KO85 (x2)
175530  -9  918  <...> R5ACQ KO85 (x2)
180000  -7  918  R5ACQ <...> -09

20m

UTC    dB Audio  Message
114645 -24 1938  <...> R5ACQ R-13
115445 -19 1984  F8KIC/P R5ACQ KO85
115745 -13 1919  <...> R5ACQ KO85 (x3)
115930 -17 1747  R5ACQ R9YQ NO22
120300  +0 1217  R5ACQ ON1AJ JO20 (x4)
120500  -7  869  R5ACQ EX7DY -02
120500  +3 1217  R5ACQ ON1AJ JO20
120530  -5  869  R5ACQ EX7DY -02
120600  -4  868  R5ACQ RR73; PD0WL <...> -14
141100  -3 2567  R1CCX R5ACQ KO85

10m

UTC    dB Audio  Message
123400  -6 1626  CQ R5ACQ KO85 (x2)
123600  -8 1625  DN9GU R5ACQ RR73
123715  -5 1625  CX3DMP R5ACQ KO85
123745  -8 1625  CQ R5ACQ KO85 (x2)
123845  -7 1624  SP9UPH R5ACQ +16 (x2)
123945 -11 1625  CQ R5ACQ KO85
093700 -24 1990  RC5F R5ACQ -01
093715  -9 1301  R5ACQ RC5F R-18 (x2)
133200 -18 2005  R5ACQ UA6B KN96 (x2)
133800 -14  837  R5ACQ G4UGV 73

Decoder S/N history by band

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