R3KOZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO91

Receiver-side FT8 activity involving R3KOZ, decoded by SO8OO in southeastern Poland. 263 related FT8 messages, 1 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 35 UTC dates. Heard between 2026-05-11 and 2026-08-09.

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

263

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-11
Last seen: 2026-08-09 06:44 UTC

Frequent QSO partners observed at SO8OO

Stations R3KOZ worked most often, as logged from our receiver:

R8LCX · Asiatic Russia ×2 RU3OZ · European Russia ×2 RN3DDW/P · European Russia ×2 R6LNH · European Russia ×2 UI5A · European Russia ×2 RA3QQI · European Russia UB0SMX · Asiatic Russia R3BCK · European Russia UB6SAN · European Russia C91RU · Mozambique RU9CK · Asiatic Russia R3BDQ · European Russia

Activity Heatmap

Locator transmitted by R3KOZ

Approximate centre of KO91, decoded 2026-08-23 04:07 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	R3KOZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 17:14	40m	-10 / -	R3PLN/P	- / -15	3	Partial capture
08-06 17:41	40m	- / -16	RA3ZOM	-8 / -	2	✓ Closing fragment
08-06 17:29	40m	- / -13	OZ9FF	-14 / -	2	✓ Closing fragment
07-30 19:09	80m	0 / +1	R6LNH	-1 / -7	5	✓ Full exchange observed
07-30 18:59	80m	-10 / -	R8LCX	+1 / -11	4	✓ Closing observed
07-30 18:57	80m	-10 / 0	RG7O	+4 / -6	4	✓ Full exchange observed
07-30 18:55	80m	- / -	RA1QCX	-12 / -	2	✓ Closing fragment
07-30 18:50	80m	-1 / -7	UA9LT	-11 / -	4	✓ Closing observed
07-30 18:49	80m	- / -6	UA3RCW	-17 / -	3	✓ Closing fragment
07-30 18:49	80m	- / +8	EW8G	+6 / -	2	Partial capture
07-30 18:45	80m	-1 / -	RA3MT	-6 / -13	4	✓ Closing observed
07-30 18:43	80m	-4 / -13	4Z5AV	-2 / -13	5	✓ Full exchange observed
07-30 18:41	80m	0 / +4	R70OBN	+4 / -3	5	✓ Full exchange observed
07-30 18:40	80m	-2 / -4	R6OIZ	-3 / -1	5	✓ Full exchange observed
07-30 17:16	40m	- / -8	RA4HL	-9 / -	2	✓ Closing fragment
07-29 19:17	160m	- / +4	R6ML	-9 / -	4	✓ Closing fragment
07-29 19:16	160m	-23 / -12	R2EA/P	-18 / -10	5	✓ Full exchange observed
07-29 18:17	20m	- / -17	DL6UM	-8 / -	5	✓ Closing fragment
07-28 17:42	80m	-12 / -8	UB1Q	-13 / -8	5	✓ Full exchange observed
07-28 16:59	40m	- / 0	HA9PP	-8 / -	2	✓ Closing fragment
07-24 16:48	40m	- / -8	S59A	-2 / -	3	✓ Closing fragment
07-23 16:41	20m	- / -13	RD7P	+4 / -	2	✓ Closing fragment
07-22 15:33	40m	- / -13	RU3OZ	-22 / -	2	✓ Closing fragment
07-19 09:06	20m	- / -	R6OP	-14 / -	2	✓ Closing fragment
07-17 19:39	80m	-16 / -17	R1NIM	-10 / -6	5	✓ Full exchange observed
07-17 19:37	80m	-22 / -15	IK0HBN	+3 / -14	6	✓ Full exchange observed
07-17 19:33	80m	-17 / -13	RN3DDW/P	-4 / -4	5	✓ Full exchange observed
07-17 19:30	80m	-15 / -26	RA3QQI	-4 / -	3	✓ Closing observed
07-17 19:28	80m	-14 / -8	RN3DDW/P	-7 / -11	4	✓ Full exchange observed
07-16 19:22	80m	-7 / -	<...>	- / -11	2	Partial capture
07-16 19:13	80m	-13 / -4	RC6BB	-12 / -17	5	✓ Full exchange observed
07-16 19:05	80m	-3 / -3	R3DEE	-8 / -13	5	✓ Full exchange observed
07-15 17:10	40m	- / -6	R7KM	-14 / -	2	✓ Closing fragment
07-15 17:02	40m	- / 0	R6OAQ	-21 / -	2	✓ Closing fragment
07-15 16:59	40m	- / +1	EW8FG	-3 / -	2	✓ Closing fragment
07-15 16:43	40m	- / -15	R3YAU	-7 / -	3	✓ Closing fragment
07-14 18:52	40m	- / +8	UB6SAN	-8 / -	2	✓ Closing fragment
07-14 18:38	20m	- / -	DL1R	+3 / -	7	Partial capture
07-13 17:48	40m	-12 / -	RX9ABI	- / -	2	✓ Closing fragment
07-13 17:28	40m	- / -	R4PFY	-23 / -	2	✓ Closing fragment
07-12 19:31	80m	- / -8	R6ZEJ	0 / -	3	✓ Closing fragment
07-12 19:30	80m	-14 / -	UB0SMX	- / -13	3	✓ Closing fragment
07-12 18:19	40m	- / -	RC6OX	-16 / -	2	✓ Closing fragment
07-12 13:35	20m	- / -17	R6FFB	+3 / -	5	✓ Closing fragment
07-11 16:32	40m	- / +3	RA6FCU	-11 / -	2	✓ Closing fragment
07-04 20:50	80m	+1 / -8	RK6OV	-6 / -	5	✓ Closing observed
07-04 20:50	80m	-3 / -8	UI5A	-10 / -	3	✓ Closing observed
07-04 20:49	80m	-6 / -	R4HGK	- / -16	2	✓ Closing fragment
07-04 19:45	160m	-8 / -	RA4P/P	- / -	2	Partial capture
07-04 19:33	80m	0 / -8	RA4ADF	-16 / -10	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
170745 -14 1864  UA9XL R3KOZ KO91
172915 -15 2312  R3KOZ OZ9FF -13 (x2)
173530 -21 2004  R3KOZ HA8RC -01
173545  -7 2444  R3KOZ UA3SCF RR73
174100  -7 1204  R3KOZ RA3ZOM -16 (x2)
174530 -17 1338  R3KOZ R3QV RR73
175730 -20 2116  R3KOZ RZ6ALZ -06
161930 -19 2044  RY3DAR R3KOZ KO91
171445 -13  756  R3PLN/P R3KOZ KO91 (x4)
040730 -10  673  OA4ENG R3KOZ KO91

20m

UTC    dB Audio  Message
184215  +1 2721  R3KOZ DL1R JN58 (x2)
090645 -14 1976  R3KOZ R6OP +17 (x2)
164100  +3 2485  R3KOZ RD7P -13 (x2)
181715 -11  969  R3KOZ DL6UM JO60
181715  +0  589  R3KOZ F1ODM -14
181815  -7  968  R3KOZ DL6UM JO60 (x4)
152630  -8 2275  UB8QBY R3KOZ R-13
084400 -16 1017  R3KOZ R6DZR R-10
081345 -15 2704  UB0SMX/P R3KOZ R-18

80m

UTC    dB Audio  Message
185715  +4 1880  R3KOZ RG7O +00
185730  -7 1332  RG7O R3KOZ R-06
185745  +4 1880  R3KOZ RG7O RR73
185800 -12 1332  RG7O R3KOZ 73
185900 -11 1332  R8LCX R3KOZ KO91 (x2)
185945  +1 1548  R3KOZ R8LCX RR73
190000  -6 1332  R8LCX R3KOZ 73
190315 -17 1332  RZ9I R3KOZ KO91
190730  -1 1332  R9CS/P R3KOZ KO91
190900  -2 1332  R6LNH R3KOZ KO91
190915  -2 1081  R3KOZ R6LNH +01
190930  -2 1332  R6LNH R3KOZ R-07
190945  +0 1081  R3KOZ R6LNH RR73
191000  +3 1332  R6LNH R3KOZ 73

160m

UTC    dB Audio  Message
211800  -7  560  UA3FH R3KOZ KO91 (x3)
194545  -9 2475  RA4P/P R3KOZ KO91 (x2)
191615 -24 1746  R2EA/P R3KOZ KO91
191630 -19 1312  R3KOZ R2EA/P -12
191645 -23 1746  R2EA/P R3KOZ R-10
191700 -18 1312  R3KOZ R2EA/P RR73
191715 -21 1746  R2EA/P R3KOZ 73
191730 -14 1943  R3KOZ R6ML LN17 (x4)
192115  -6  700  R3KOZ RY9C -16

10m

UTC    dB Audio  Message
074130 -13 2354  FK8HA R3KOZ KO91 (x2)
074445  -4 1356  R3KOZ UE6DR -14
182245  +0  693  CX1AR R3KOZ KO91
182345  +0  694  RN3N R3KOZ RR73
182415  -3  694  CX1AR R3KOZ KO91 (x2)
081615 -13  808  SP9UPH R3KOZ RR73
081645  -9  809  RU3OZ R3KOZ +04
081700 -13 1766  R3KOZ RU3OZ R-03
081715  -7  809  RU3OZ R3KOZ RR73
081730  -9 1766  R3KOZ RU3OZ 73
082045 -15  809  <YR700SM> R3KOZ KO91 (x2)
072430 -20 1370  R3KOZ RL1B RR73

Decoder S/N history by band

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