RW3ZC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO81

Receiver-side FT8 activity involving RW3ZC, decoded by SO8OO in southeastern Poland. 576 related FT8 messages, 296 CQ messages, observed on 80m, 40m, 20m, 10m, across 27 UTC dates. Heard between 2026-06-11 and 2026-08-24.

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

576

Related messages

296

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-06-11
Last seen: 2026-08-24 06:58 UTC

Frequent QSO partners observed at SO8OO

Stations RW3ZC worked most often, as logged from our receiver:

IQ4JO · Italy ×2 RN3ZBX · European Russia ×2 RT6Z · European Russia ×2 R4SCQ · European Russia R2AVW · European Russia RW6AU · European Russia DM5KM · Fed. Rep. of Germany R1BQC · European Russia TJ1GD/P · Cameroon RY4AAW · European Russia UR5ZGY · Ukraine JE1CCD · Japan

Activity Heatmap

Locator transmitted by RW3ZC

Approximate centre of KO81, decoded 2026-08-24 08:56 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	RW3ZC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 08:56	20m	+5 / +6	OE8PIT	+8 / -9	7	✓ Full exchange observed
08-24 08:52	20m	+5 / -5	DH2RL	+9 / -6	7	✓ Full exchange observed
08-24 08:51	20m	+3 / +6	RN6MA	+16 / +2	4	✓ Full exchange observed
08-24 08:49	20m	- / -18	OS4K	-22 / -	2	Partial capture
08-23 21:10	20m	0 / -	JK1PCP	- / -13	2	Partial capture
08-23 21:03	20m	- / -23	N1SK	-2 / -	2	✓ Closing fragment
08-23 20:14	40m	+1 / -	RA0CCK	- / -13	4	Partial capture
08-23 20:13	40m	-1 / -	CU5AQ	- / -14	2	Partial capture
08-23 20:02	40m	0 / -2	R9TT	-24 / -6	6	✓ Full exchange observed
08-23 20:00	40m	0 / -	R9FFJ	-11 / -	2	✓ Closing observed
08-23 19:59	40m	-2 / -	JH4MGU	- / -9	2	Partial capture
08-23 19:53	40m	+1 / 0	UA1AJY	-10 / +2	5	✓ Full exchange observed
08-23 19:47	40m	+1 / -	CN8NS	- / -10	3	Partial capture
08-23 19:43	40m	+3 / -	R0FBC	- / -10	3	✓ Closing fragment
08-23 19:36	40m	0 / -	RM0F	- / -6	2	Partial capture
08-23 19:34	40m	-2 / -13	UA3VVA	-6 / +5	8	✓ Full exchange observed
08-23 19:33	40m	-3 / -	R6FMT	-11 / -5	4	✓ Closing observed
08-23 19:31	40m	-2 / -	OL900LTV	- / -11	2	Partial capture
08-23 19:26	40m	-2 / -14	F1PBZ	-4 / -10	6	✓ Full exchange observed
08-23 19:26	40m	-4 / -3	SV8GXC	-4 / -2	5	✓ Full exchange observed
08-23 19:23	40m	0 / -	RM6OG	- / -6	2	✓ Closing fragment
08-23 19:21	40m	-2 / -	RM0F	- / -3	2	Partial capture
08-23 17:01	40m	+6 / -	R3WDW	+9 / -2	4	✓ Closing observed
08-23 16:57	40m	+7 / -6	R6ZCE	-6 / +2	5	✓ Full exchange observed
08-23 16:56	40m	+3 / -	RK6OQ	- / -9	2	✓ Closing fragment
08-23 16:52	40m	+8 / -	UB4FJC	- / -13	2	✓ Closing fragment
08-23 16:51	40m	+10 / -	JR1UTC	- / -4	2	Partial capture
08-23 16:49	40m	+10 / 0	RN3ZBX	+9 / +6	5	✓ Full exchange observed
08-23 16:45	40m	+2 / -13	DM2BM	+5 / -11	5	✓ Full exchange observed
08-23 16:43	40m	-1 / -	BD1GO	- / -12	2	Partial capture
08-23 16:36	40m	- / -3	R2HE	-6 / -	3	✓ Closing fragment
08-23 16:23	40m	+4 / -	R6ZCE	- / +1	3	Partial capture
08-23 15:20	20m	-6 / -	R9OX	- / -	2	✓ Closing fragment
08-22 17:22	40m	-10 / -	<...>	- / -4	2	Partial capture
08-22 07:20	20m	-3 / -	VK2QV	- / -3	5	Partial capture
08-20 22:31	40m	+2 / -	VU2RPS	- / -12	2	Partial capture
08-20 22:26	40m	+7 / -	VO1CH	- / -9	3	✓ Closing fragment
08-20 22:21	40m	+6 / -12	VP2MAA	-4 / -11	10	✓ Full exchange observed
08-20 22:20	40m	+8 / -	VK6DU	- / -13	3	✓ Closing fragment
08-20 22:17	40m	-4 / -	VU3IHP	- / -18	3	Partial capture
08-20 22:14	40m	- / -	DB3MAX	+6 / -	4	Partial capture
08-20 22:14	40m	- / -	PI4TX	-6 / -	3	Partial capture
08-20 22:13	40m	- / -	CT2GQA	-6 / -	2	Partial capture
08-20 22:10	40m	+3 / -	VU2RPS	- / -8	3	Partial capture
08-20 22:07	40m	+5 / -	BG5JGG	- / -14	3	✓ Closing fragment
08-20 22:04	40m	+4 / -	<...>	- / -11	2	Partial capture
08-20 21:58	40m	+8 / -	<...>	- / -16	2	Partial capture
08-20 21:44	40m	-10 / -	JF4HDR	- / -13	2	Partial capture
08-20 21:29	20m	- / -4	XU7O	+2 / -	2	✓ Closing fragment
08-19 19:12	40m	+4 / -	<...>	- / -11	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
085345 +14 2757  RW3ZC DH2RL R-05
085400  +3 2757  DH2RL RW3ZC RR73
085415 +10 2757  RW3ZC DH2RL 73
085445  +4 2083  RW3ZC IQ4JO JN63
085500  +7 2757  CQ RW3ZC KO81 (x4)
085645 +11 2759  RW3ZC OE8PIT JN66
085700  +5 2757  OE8PIT RW3ZC -09
085715  +5 2759  RW3ZC OE8PIT JN66
085730  +6 2758  OE8PIT RW3ZC -05
085745  +7 2756  RW3ZC OE8PIT R+06
085800  +3 2758  OE8PIT RW3ZC RR73
085815 +10 2759  RW3ZC OE8PIT 73

40m

UTC    dB Audio  Message
200300  +3 2537  R9TT RW3ZC RR73 (x3)
200430  +0 2537  CQ RW3ZC KO81 (x5)
201045  -7 2537  RW3ZC R6LQG R-08
201300  -2 2538  CU5AQ RW3ZC -14 (x2)
201430  +2 2538  RA0CCK RW3ZC -13 (x4)

80m

UTC    dB Audio  Message
193215  +3 2818  RT6Z RW3ZC +02
193230 +16 2728  RW3ZC RT6Z R-08 (x4)
193430  +7 2818  RW3ZC RC6OU KN98 (x3)
193600  -6 2665  RW3ZC R3BDQ -07 (x2)
175515  -4  309  RW3ZC DK7ZT -16 (x2)

10m

UTC    dB Audio  Message
091930 -14 2294  RW3ZC E75W RR73
092700 -17 1144  RW3ZC F6FDY JN33 (x2)
092930 -17  914  RW3ZC RA7KW KN74
092930  -6 2585  RW3ZC IQ4JO JN63
093100 -20 2261  RW3ZC YO6LM -09
093100  -8 2584  RW3ZC IQ4JO R-18 (x2)
111430  -5 2957  CQ RW3ZC KO81
111600  -3 2957  A61OK RW3ZC -11
111700  -1 2958  RW4COM RW3ZC -05
092145  +7  670  RW3ZC SV7BAY R-08 (x4)

Decoder S/N history by band

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