RZ3DW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO84

Receiver-side FT8 activity involving RZ3DW, decoded by SO8OO in southeastern Poland. 865 related FT8 messages, 262 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 49 UTC dates. Heard between 2026-05-29 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

865

Related messages

262

CQ messages

UTC dates heard

-2 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-29
Last seen: 2026-08-23 20:15 UTC

Frequent QSO partners observed at SO8OO

Stations RZ3DW worked most often, as logged from our receiver:

IQ4JO · Italy ×3 R6ZE · European Russia ×2 RT2P · European Russia ×2 RZ6CO · European Russia ×2 YO4LUP · Romania ×2 R6OP · European Russia ×2 R6ZEJ · European Russia ×2 R1TAX · European Russia ×2 RA4HG · European Russia ×2 R5AV · European Russia ×2 UB6OCP · European Russia ×2 RL3F · European Russia ×2

Activity Heatmap

Locator transmitted by RZ3DW

Approximate centre of KO84, decoded 2026-08-23 22:13 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	RZ3DW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 22:13	80m	+1 / -4	R0AH	-16 / -5	5	✓ Full exchange observed
08-23 01:12	80m	+2 / -	UA3RBM	-1 / 0	4	✓ Full exchange observed
08-23 01:06	80m	+7 / -6	VP8A	-16 / -18	13	Partial capture
08-22 18:55	80m	+15 / 0	OM7FS	+19 / -8	6	✓ Full exchange observed
08-22 18:52	80m	+10 / +3	F6BHK	-4 / -17	5	✓ Full exchange observed
08-22 18:50	80m	+11 / -	UB8FDN	- / -7	4	Partial capture
08-22 18:49	80m	+11 / +1	DL7UKM	+2 / -14	5	✓ Full exchange observed
08-22 18:45	80m	+10 / -	RW9H/M	- / -16	3	Partial capture
08-22 18:41	80m	-6 / -	R1BED	- / -5	2	✓ Closing fragment
08-21 20:32	40m	- / -17	R7OQ	-14 / -	2	✓ Closing fragment
08-21 18:25	80m	- / -	DL9KM	-7 / -	5	Partial capture
08-21 18:24	80m	+7 / -	RM5F	- / +1	2	Partial capture
08-21 18:18	80m	+8 / -	UF4S/P	-12 / +1	5	✓ Closing observed
08-20 19:13	40m	+2 / -	<...>	- / -9	5	Partial capture
08-20 19:10	40m	+6 / -	UB2FEK	+3 / -6	8	✓ Full exchange observed
08-20 19:06	40m	+8 / -	RG6ZF	- / -6	3	✓ Closing fragment
08-20 17:47	80m	+1 / -13	DL2HUC	-3 / -	4	✓ Closing observed
08-20 17:45	80m	-5 / -9	RL3F	-13 / -1	5	✓ Full exchange observed
08-19 20:43	40m	- / -	EA5HM	-16 / -	2	Partial capture
08-19 20:42	40m	-16 / -	PD0LBY	-18 / -10	2	Partial capture
08-19 20:41	40m	-16 / -	R8LCI	- / -13	2	✓ Closing fragment
08-19 20:37	40m	+2 / -	R0LM	- / -21	3	Partial capture
08-19 20:36	40m	-6 / -	<...>	- / -	2	Partial capture
08-19 20:15	80m	+6 / -	<...>	- / -15	2	Partial capture
08-18 18:27	80m	0 / -5	R4HHN	-4 / -4	4	✓ Full exchange observed
08-18 18:26	80m	+1 / -	RA4FHO	-3 / -	2	✓ Closing observed
08-18 18:23	80m	-4 / -	RQ3D	- / -7	2	Partial capture
08-18 18:21	80m	-3 / -	R3DMS	- / 0	4	✓ Closing fragment
08-18 18:19	80m	+1 / +1	R4DD	-6 / +2	5	✓ Full exchange observed
08-18 18:17	80m	-4 / -	R7IA	-8 / 0	3	✓ Closing observed
08-18 18:15	80m	-5 / +2	R2FEA	-2 / -2	3	Partial capture
08-18 15:15	20m	-14 / -	R1OBH	- / -16	2	✓ Closing fragment
08-18 15:12	20m	-14 / -	R1BBG	- / -9	5	Partial capture
08-14 21:40	40m	+12 / -	DL/AD2LX	- / -	3	Partial capture
08-14 21:36	40m	+8 / -	<...>	- / -	2	Partial capture
08-14 21:33	40m	+7 / -	RA3MT	- / -16	7	✓ Closing fragment
08-13 18:35	80m	+6 / +1	R6OE	-1 / 0	6	✓ Full exchange observed
08-13 18:31	80m	+10 / -8	RU3SD	-22 / -12	6	✓ Full exchange observed
08-13 18:28	80m	+9 / +6	RX3RZ	0 / -	3	✓ Closing observed
08-13 18:27	80m	+19 / -	RD3MF	+5 / -3	4	✓ Closing observed
08-13 18:25	80m	+19 / +4	R6NA	+16 / +1	5	✓ Full exchange observed
08-13 18:24	80m	+10 / -	UB1AXF	-6 / -2	3	✓ Closing observed
08-12 20:05	80m	+6 / -	JI4JKO	-13 / -15	9	✓ Closing observed
08-12 20:03	80m	+6 / -	R8CW/4	-12 / +1	4	Partial capture
08-12 19:20	160m	+7 / -	R4FDD	- / +1	2	✓ Closing fragment
08-12 19:15	80m	+1 / -	R8CKD	-19 / -7	6	✓ Full exchange observed
08-12 19:13	80m	- / -	DO1SHK	-8 / -	5	Partial capture
08-12 19:04	80m	+13 / -	JA8EPO	- / -	4	Partial capture
08-12 18:46	80m	+10 / -3	R6FNM	-13 / -5	5	✓ Full exchange observed
08-12 18:21	80m	+11 / -	RI0FA	- / -21	10	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
011030  +5 1693  VP8A RZ3DW KO84 (x3)
011145 -16  444  RZ3DW VP8A -06
011200  +6 1693  VP8A RZ3DW R-18
011215  +1 1439  RZ3DW UA3RBM +22
011300  +0 1692  UA3RBM RZ3DW R+00
011315  -3 1439  RZ3DW UA3RBM RR73
011330  +3 1693  UA3RBM RZ3DW 73
221315  +2 1841  R0AH RZ3DW KO84
221330 -15 1841  RZ3DW R0AH -04
221345  +3 1841  R0AH RZ3DW R-05
221400 -16 1841  RZ3DW R0AH RR73
221415  -1 1841  R0AH RZ3DW 73
221500 -24 1318  RZ3DW EA3FR -16

40m

UTC    dB Audio  Message
191000  +5 2990  RZ3DW UB2FEK +21
191015  +8 1584  UB2FEK RZ3DW R-06 (x2)
191100  +1 2990  RZ3DW UB2FEK RR73
191115  +4 1585  UB2FEK RZ3DW 73 (x4)
191330  +3 1584  <...> RZ3DW KO84 (x5)
203215 -11 1476  RZ3DW R7OQ -17 (x2)

20m

UTC    dB Audio  Message
082215  -7  825  R1ZDG RZ3DW R-17 (x2)
125245  +0 2619  <...> RZ3DW KO84 (x2)
135330 -14 2468  CQ RZ3DW KO84 (x2)
135415 -14 2033  RZ3DW PD1ADA JO21
151115 -15 1948  R1OBH RZ3DW KO84
151245 -17 2050  R1BBG RZ3DW R-09 (x3)
151515 -16 1474  R1OBH RZ3DW R-16 (x2)
151645 -13 2049  R1BBG RZ3DW KO84 (x2)

160m

UTC    dB Audio  Message
191000  -1 2498  R3DFS RZ3DW 73
191100  +6 2597  CQ RZ3DW KO84 (x3)
224545  +8 2598  RY6O RZ3DW KO84 (x2)
191900 +14 2590  CQ RZ3DW KO84 (x2)
192000  +5 1455  R4FDD RZ3DW R+01 (x2)
192100  +3 1455  CQ RZ3DW KO84 (x3)
192215 -19 1455  RZ3DW UA3PTK KO93
192215  +4 1752  RZ3DW OM2WQ JN88

10m

UTC    dB Audio  Message
192030  -4 2880  CQ RZ3DW KO84
192100  -3 2879  LU8EX RZ3DW -17 (x2)
192230  -7 2880  CQ RZ3DW KO84                         a1 (x4)
192730 -14  946  YO3GNF RZ3DW -12
192900 -12  946  CQ RZ3DW KO84
193015  -1 2842  R1BNJ RZ3DW R+01
193115  -4 2842  CQ RZ3DW KO84                         a1 (x3)
193430  -1 2842  RA1OD RZ3DW 73
193530  -6 2842  RA4FUT RZ3DW KO84

Decoder S/N history by band

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