R3WDU — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving R3WDU, decoded by SO8OO in southeastern Poland. 130 related FT8 messages, 13 CQ messages, observed on 40m, 20m, across 5 UTC dates. Heard between 2026-06-21 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

130

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-06-21
Last seen: 2026-08-23 14:25 UTC

Frequent QSO partners observed at SO8OO

Stations R3WDU worked most often, as logged from our receiver:

RG3M · European Russia R7KM · European Russia 9A4ZM · Croatia OK2USM · Czech Republic UA3GJM · European Russia R3WDW · European Russia RA6FC · European Russia DB7GE · Fed. Rep. of Germany R6DBT · European Russia RO5A · European Russia R3XG · European Russia R1QF · European Russia

Activity Heatmap

Locator transmitted by R3WDU

Approximate centre of KO81, decoded 2026-08-23 15:09 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	R3WDU S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 16:23	40m	-16 / -18	RA6WF	-15 / -12	2	Partial capture
08-23 16:21	40m	-18 / -9	R3WDW	+6 / -9	4	✓ Full exchange observed
08-23 16:18	40m	- / -	R3WDW	+11 / -	2	Partial capture
08-23 16:17	40m	-15 / -19	DL6UM	-1 / -9	7	Partial capture
08-23 16:17	40m	-15 / -14	RZ1AS	-16 / -5	4	✓ Full exchange observed
08-23 16:17	40m	- / -	RA6WF	-16 / -	2	Partial capture
08-23 16:12	40m	- / -	RA6ANN	-6 / -	3	Partial capture
08-23 16:09	40m	- / -16	DK7ZT	-7 / -	3	Partial capture
08-23 15:37	40m	-24 / -13	UA6HJT	+6 / -	4	✓ Closing observed
08-23 15:34	40m	- / +2	RG3M	-6 / -	4	✓ Closing fragment
08-23 15:32	40m	- / -9	UA3GJM	-12 / -	2	✓ Closing fragment
08-23 15:26	40m	- / +8	RO5A	-6 / -	3	✓ Closing fragment
08-23 15:24	40m	- / -17	R7KM	+2 / -	2	Partial capture
08-23 15:19	40m	- / -5	R1QF	-15 / -	2	✓ Closing fragment
08-23 15:19	40m	- / -11	R3XG	-22 / -	3	✓ Closing fragment
08-23 14:59	20m	-15 / -8	R7KM	-5 / -6	7	✓ Full exchange observed
08-23 14:52	20m	- / -15	M8EVM	-6 / -	2	Partial capture
08-23 14:52	20m	-11 / -11	R6DBT	-10 / -7	10	✓ Full exchange observed
08-23 14:48	20m	-15 / -	PD3LKN	-4 / -10	2	Partial capture
08-23 14:48	20m	-19 / -	HA3TBL	- / -8	2	✓ Closing fragment
08-23 14:43	20m	-18 / -	OK2USM	- / -8	2	✓ Closing fragment
08-23 14:42	20m	-11 / -7	RA6FC	-2 / -	4	✓ Closing observed
08-23 14:39	20m	-10 / -16	EA3IDY	+9 / -6	4	Partial capture
08-23 14:37	20m	-14 / -17	R0SAU	-5 / -8	3	Partial capture
08-23 14:37	20m	- / -	RA6FC	-1 / -	3	Partial capture
08-23 14:36	20m	- / -14	R7DX	-1 / -	2	Partial capture
08-23 14:33	20m	- / -	RA6FC	-4 / -	4	Partial capture
08-23 14:22	20m	- / -	DL6RH	-11 / -	2	Partial capture
08-23 14:10	20m	- / -	TA3NK	+8 / -	8	Partial capture
08-23 13:57	20m	- / -	OE6TNO	-4 / -	8	Partial capture
08-15 07:03	20m	- / -14	DB7GE	-11 / -	5	✓ Closing fragment
06-28 12:46	20m	- / -15	R6DV	-4 / -	7	✓ Closing fragment
06-28 12:42	20m	- / -	DG5PW	-14 / -	3	Partial capture
06-21 15:42	40m	- / -20	LZ2SPD	-17 / -	2	Partial capture
06-21 15:34	40m	- / -3	R2EC	-6 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
161800 -16 2480  R3WDU RA6WF LN32
161800 -17  723  R3WDU RZ1AS 73
161830  -1  926  R3WDU DL6UM R-19
161830 +13  351  R3WDU R3WDW KO81 (x2)
161945 -13 1306  DL6UM R3WDU -09 (x2)
162030  +0 1216  R3WDU DL6UM R-19 (x2)
162115 -17 1307  R3WDW R3WDU -09 (x2)
162230  +7  269  R3WDU R3WDW R-09 (x2)
162315 -16 1306  RA6WF R3WDU -12
162500 -15 1305  R3WDU RA6WF R-18

20m

UTC    dB Audio  Message
145600 -12 1334  R6DBT R3WDU RR73
145615 -10  920  R3WDU R6DBT 73
145630 -15 1334  CQ R3WDU KO81                         a1 (x3)
145945  -9 2628  R3WDU R7KM -08
150000 -11 1334  9A4ZM R3WDU RR73
150130 -11 1334  R7KM R3WDU 73 (x2)
150415  -4 2628  R3WDU R7KM -09 (x3)
150530 -16 1720  R7KM R3WDU R-06
150900 -14 1719  CQ R3WDU KO81                       ? a1 (x2)

Decoder S/N history by band

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