RZ3AV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO75

Receiver-side FT8 activity involving RZ3AV, decoded by SO8OO in southeastern Poland. 877 related FT8 messages, 224 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 41 UTC dates. Heard between 2026-05-30 and 2026-08-20.

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

877

Related messages

224

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-30
Last seen: 2026-08-20 11:43 UTC

Frequent QSO partners observed at SO8OO

Stations RZ3AV worked most often, as logged from our receiver:

R5AV · European Russia ×4 RI0SP · European Russia ×3 F1PBZ · France ×3 IQ4JO · Italy ×2 UA3GJM · European Russia ×2 RA6OD · European Russia ×2 RN6MA · European Russia ×2 EW2ZC · Belarus DL1SRS · Fed. Rep. of Germany RW3QW · European Russia TF4M · Iceland EU1FQ · Belarus

Activity Heatmap

Locator transmitted by RZ3AV

Approximate centre of KO75, decoded 2026-08-11 04:18 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	RZ3AV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-11 04:21	20m	- / -2	RV6F	-16 / -	2	Partial capture
08-11 04:15	20m	- / -11	R4FDK	-21 / -	2	✓ Closing fragment
08-09 22:08	80m	-20 / -	R5KH	-8 / -	3	✓ Closing observed
08-09 22:07	80m	- / -15	<...>	0 / -	2	Partial capture
08-09 22:03	80m	+4 / -15	R4SCQ	-14 / -11	3	✓ Full exchange observed
08-09 20:14	80m	-18 / -9	R8CW/4	-6 / -3	2	Partial capture
08-09 19:54	40m	-23 / -12	DL5MKR	-13 / -16	4	Partial capture
08-09 19:50	40m	- / -	DL5MKR	-17 / -	3	Partial capture
08-09 14:05	10m	- / -9	HG1DRC	-4 / -	2	✓ Closing fragment
08-08 21:02	80m	- / -16	F1PBZ	+4 / -	2	✓ Closing fragment
08-08 20:30	40m	- / -	DH5BM	-15 / -	2	✓ Closing fragment
08-08 20:21	40m	- / -	DH3KR	-22 / -	2	✓ Closing fragment
08-08 20:09	40m	- / -19	DL1SRS	-4 / -	2	✓ Closing fragment
08-08 20:05	40m	- / -10	PD2V	-2 / -	2	✓ Closing fragment
08-08 19:54	80m	-22 / -11	RT6Z	+11 / -	4	✓ Closing observed
08-08 19:54	80m	-24 / -17	RV6HE	-8 / -	3	✓ Closing observed
08-08 19:53	80m	-24 / -	R5AV	-1 / -	2	✓ Closing observed
08-08 19:51	80m	- / -8	OK1VK	+13 / -	2	✓ Closing fragment
08-08 16:12	40m	- / -12	UA3GDJ	-10 / -	3	✓ Closing fragment
08-08 14:16	20m	- / -10	PD1HPB	-6 / -	4	✓ Closing fragment
08-07 21:28	40m	- / +2	OZ5AGJ	-14 / -	2	✓ Closing fragment
08-07 21:22	40m	- / -5	SP0DF	-10 / -	2	✓ Closing fragment
08-07 21:17	80m	-14 / -24	DO1OAS	-2 / -15	3	Partial capture
08-07 21:13	80m	-14 / -7	TF4M	-18 / -	4	✓ Closing observed
08-07 21:10	80m	-11 / -17	SP7NC	+13 / -8	5	✓ Full exchange observed
08-07 21:09	80m	- / -12	DH5BM	-2 / -	2	Partial capture
08-07 18:24	80m	- / -9	RC3D	-6 / -	4	✓ Closing fragment
08-07 18:24	80m	- / -15	RW1C	+6 / -	3	✓ Closing fragment
08-07 18:12	80m	-24 / -11	R3UG	-2 / -2	3	✓ Full exchange observed
08-07 18:08	80m	-19 / -18	R4IK	-8 / -12	3	✓ Full exchange observed
08-07 18:05	80m	-18 / -16	RW3QW	+2 / +6	3	✓ Full exchange observed
08-07 18:01	80m	- / -19	UD7G	-8 / -	2	✓ Closing fragment
08-07 18:01	80m	- / -13	RQ7O	+7 / -	3	✓ Closing fragment
08-07 18:00	80m	-19 / -13	R2GFD	-12 / -	3	✓ Closing observed
08-06 20:40	40m	- / -13	LA2GCA	-20 / -	5	✓ Closing fragment
08-06 20:27	40m	- / -	E77EA	-20 / -	2	Partial capture
08-06 20:26	40m	- / -	DK8HC	-12 / -	2	Partial capture
08-05 19:53	40m	- / -14	G0OSK	-8 / -	3	✓ Closing fragment
08-05 19:31	40m	- / -	DL2RPN	-4 / -	2	Partial capture
08-05 19:27	40m	- / -10	RV3X	-2 / -	2	✓ Closing fragment
08-05 19:26	40m	- / -9	RK6MC	-8 / -	5	✓ Closing fragment
08-05 19:21	60m	- / -	SP9UPH	+9 / -	2	Partial capture
08-05 19:15	80m	- / -	SV9MBH	-9 / -	2	✓ Closing fragment
08-05 19:14	80m	- / -19	YT3PL	+8 / -	2	Partial capture
08-04 20:15	80m	-14 / -16	RO7A	-5 / -8	5	✓ Full exchange observed
08-04 20:12	80m	-11 / -5	RQ2Q	-4 / -	6	✓ Closing observed
08-04 20:11	80m	-20 / -	RA3LCI	- / -9	2	✓ Closing fragment
08-04 20:10	80m	- / -14	R7CD	-2 / -	6	✓ Closing fragment
08-04 20:05	80m	- / -	DO5UH/P	+6 / -	6	Partial capture
08-04 20:03	80m	- / -8	RJ6ON	-4 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
141745  -8 2590  RZ3AV PD1HPB R-10 (x2)
142145 -11 1053  RZ3AV PB0WIE R-04
222345 -22 2032  CQ RZ3AV KO75
020115 -15 1088  RZ3AV CT3MD IM13
041545 -21 1913  RZ3AV R4FDK R-11 (x2)
041815 -17 2387  CQ RZ3AV KO75
042130 -19 1451  RZ3AV RV6F LN14 (x2)
042430 -12 2388  RZ3AV PD0RCQ JO21
171045 -19 2313  RZ3AV RA3RFT/1 -09
072500  +1 2628  RZ3AV R6DOB/M -15 (x2)
191215  -8 2633  DM2DXA RZ3AV 73

40m

UTC    dB Audio  Message
203145 -13 2242  RZ3AV DH5BM 73
041915 -23 2200  CQ RZ3AV KO75
195030 -19 1590  RZ3AV DL5MKR JO60 (x3)
195415 -23 2137  DL5MKR RZ3AV -16
195415 -16 1589  RZ3AV DL5MKR -12
195445 -17 2136  CQ RZ3AV KO75
195445 -16 1589  RZ3AV DL5MKR -12 (x2)
021530 -11  925  RZ3AV P40AA -14 (x2)
023130 -12  924  RZ3AV RR73; KG9OH <...> -12
221430  -9 2144  RZ3AV R5AV -15
222115 -24 2145  CQ RZ3AV KO75                         a1

80m

UTC    dB Audio  Message
220345 -17 1501  RZ3AV R4SCQ 73
220400 -19 1601  CQ RZ3AV KO75                         a1 (x2)
220430  +4 1502  R4SCQ RZ3AV -11
220530 -11 1603  CQ RZ3AV KO75 (x3)
220730  +0 1601  RZ3AV <...> -15
220745 -16 1603  CQ RZ3AV KO75
220800  -1 1601  RZ3AV <...> -15
220830  -7 1935  RZ3AV R5KH KO91
220915 -20 1601  R5KH RZ3AV RR73
220930  -9 1935  RZ3AV R5KH 73
220945 -23 1602  CQ RZ3AV KO75                         a1
221030  -3 1600  RZ3AV <...> -15

10m

UTC    dB Audio  Message
111945 -17 1141  RZ3AV R7DX R-20
082730 -19 2041  RZ3AV RN6MA -13 (x2)
080300  -8 2301  RZ3AV DL8WEM R-06 (x2)
080400  -5 2256  RZ3AV YO6LM -04 (x2)
080615 -20 2300  CQ RZ3AV KO75
144300 -21 1496  RZ3AV R6KEE KN75 (x2)
145445 -10 2646  CQ RZ3AV KO75
091330  -3 2288  RZ3AV R50RKZ -16
091400  -8 2289  RZ3AV RR73; HA6ZX <...> -14
140545  -8 2124  RZ3AV HG1DRC R-09 (x2)

60m

UTC    dB Audio  Message
192130  +6 2311  RZ3AV SP9UPH JO90 (x2)

Decoder S/N history by band

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