R3DFC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO95

Receiver-side FT8 activity involving R3DFC, decoded by SO8OO in southeastern Poland. 638 related FT8 messages, 228 CQ messages, observed on 80m, 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-29 and 2026-08-22.

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

638

Related messages

228

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-29
Last seen: 2026-08-22 02:09 UTC

Frequent QSO partners observed at SO8OO

Stations R3DFC worked most often, as logged from our receiver:

RM5F · European Russia ×2 RC6OZ · European Russia ×2 DG5PW · Fed. Rep. of Germany ×2 PA3BRB · Netherlands ×2 R2ZO · European Russia EC3A · Spain R2EA/P · European Russia R6TA · European Russia R3KMI · European Russia UA4NCX · European Russia UA1ZQN · European Russia DL7ET · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by R3DFC

Approximate centre of KO95, decoded 2026-08-21 19:22 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	R3DFC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 04:08	20m	- / -11	F4HQL	-5 / -	2	✓ Closing fragment
08-22 03:43	20m	- / -	CT3MD	-8 / -	2	✓ Closing fragment
08-21 19:20	40m	-12 / -	UA1CAS	- / -	2	✓ Closing fragment
08-21 19:17	40m	-9 / -15	RK6DD	-4 / -6	5	✓ Full exchange observed
08-21 19:13	40m	- / -16	DG5PW	-9 / -	3	✓ Closing fragment
08-21 12:44	20m	- / -10	DL5ASK	-7 / -	2	✓ Closing fragment
08-21 12:22	20m	- / -	IK4LZH	+16 / -	4	Partial capture
08-21 12:20	20m	- / -3	EC3A	-12 / -	2	✓ Closing fragment
08-21 05:36	20m	- / -	IW5ALZ	-9 / -	2	Partial capture
08-21 05:34	20m	-24 / -1	UA9MMZ	-18 / -	2	✓ Closing observed
08-21 05:20	20m	-19 / -	TI5RR	- / -	4	✓ Closing fragment
08-21 05:17	20m	-18 / -	TI5RR	- / -	3	Partial capture
08-21 05:02	40m	- / -12	DL2YBG	-6 / -	3	✓ Closing fragment
08-21 04:58	40m	-17 / -	UB4CKD	-14 / +2	3	✓ Closing observed
08-20 19:02	80m	- / -8	RM5F	-4 / -	3	✓ Closing fragment
08-20 18:59	80m	- / -	R6ML	-8 / -	3	Partial capture
08-20 18:54	80m	- / -3	R5AV	-2 / -	2	✓ Closing fragment
08-20 17:58	20m	- / -	DL1R	+6 / -	9	Partial capture
08-17 19:19	40m	- / -20	9A1CCB	+6 / -	5	✓ Closing fragment
08-17 19:12	40m	-13 / -1	DD2MON	-14 / -	4	✓ Closing observed
08-17 19:10	40m	-19 / -	R1QD	- / -12	2	Partial capture
08-17 19:06	40m	-18 / -	SN1A	- / -9	2	✓ Closing fragment
08-17 19:04	40m	-18 / -	UA3UBV	- / +6	2	✓ Closing fragment
08-17 07:07	20m	-14 / -	TT1GD	- / -	5	Partial capture
08-17 07:05	20m	-12 / -	PA1GLD	- / -6	2	Partial capture
08-17 07:04	20m	- / -	F5GPE	-9 / -	3	Partial capture
08-17 06:57	20m	+4 / -	ON1DGN	- / -12	2	✓ Closing fragment
08-17 06:55	20m	+6 / -	RD4AN	- / -3	2	✓ Closing fragment
08-17 06:54	20m	-2 / -	RD1A	- / +1	2	✓ Closing fragment
08-17 06:48	20m	-3 / -	HK3YL	- / -	4	Partial capture
08-17 05:07	20m	-4 / -	IK2SND	- / -9	2	✓ Closing fragment
08-17 05:05	20m	0 / -	DL1BBO	- / +3	2	✓ Closing fragment
08-17 05:02	20m	+2 / -	HP2NG	- / -	5	Partial capture
08-16 19:47	40m	- / -8	ON4ASV	-4 / -	3	✓ Closing fragment
08-16 19:42	40m	-13 / -	UA1PBD	- / +2	4	✓ Closing fragment
08-16 19:38	40m	-21 / -	UA1PBD	- / -	3	Partial capture
08-16 19:36	40m	- / -4	RA3ZOM	-11 / -	3	✓ Closing fragment
08-16 19:34	40m	-20 / -	AP5ARS	- / -	2	Partial capture
08-16 19:32	40m	-18 / -10	SV3AUW	-20 / -10	3	✓ Full exchange observed
08-16 19:29	40m	-19 / -	UN7EG	- / -15	3	✓ Closing fragment
08-16 19:25	40m	-20 / -	JF1UVJ	- / -6	2	✓ Closing fragment
08-16 05:38	20m	- / -5	DK8IZ	-14 / -	2	✓ Closing fragment
08-16 05:36	20m	- / -16	DC9JVN	-17 / -	2	Partial capture
08-15 19:21	40m	-15 / -	JY5IB	- / -14	3	✓ Closing fragment
08-08 08:21	10m	- / -	RN6MA	-4 / -	2	✓ Closing fragment
08-08 06:26	20m	-6 / -	TI5RR	- / -	3	Partial capture
08-07 18:57	40m	- / +1	R2EN	-18 / -	2	✓ Closing fragment
08-07 18:53	40m	-18 / -	TF4M	- / -	2	Partial capture
08-07 18:48	40m	- / +5	YL3NF	-21 / -	3	Partial capture
08-07 18:40	40m	- / +2	DF8RU	-4 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
053615 -13  755  R3DFC IW5ALZ JN53 (x2)
122045 -15 1836  R3DFC EC3A -03 (x2)
122215 +19  462  R3DFC IK4LZH JN54 (x4)
124400  -6 1876  R3DFC DL5ASK -10 (x2)
034230 -22 1359  R3DFC IZ8EYN RR73
034300  -7  979  R3DFC CT3MD IM13 (x2)
040845  -6 2276  R3DFC F4HQL R-11 (x2)

40m

UTC    dB Audio  Message
050245 -12 1641  R3DFC DL2YBG JO42 (x3)
191330 -12 2038  R3DFC DG5PW JO30 (x3)
191715  -5  639  RK6DD R3DFC KO95
191730  -2  639  R3DFC RK6DD -15
191745 -10 2098  RK6DD R3DFC R-06
191800  -5 2097  R3DFC RK6DD RR73
191815 -12 2097  RK6DD R3DFC 73
192015 -12 2098  UA1CAS R3DFC RR73 (x2)
192215 -14 2098  CQ R3DFC KO95 (x2)

80m

UTC    dB Audio  Message
185415  -3 1756  R3DFC R5AV -03 (x2)
185900 -10 1905  R3DFC R6ML LN17 (x3)
190200  -2 1139  R3DFC RM5F KO85 (x3)
190330  -7 1904  R3DFC R6ML LN17

10m

UTC    dB Audio  Message
183330  +1  537  R3DFC M0BEW RR73
183415 -14  537  CQ R3DFC KO95                         a1
184130  -9  537  R3DFC RV6HAF 73
184330  +0  654  R3DFC R6TA LN13 (x2)
184415 -12  538  R6TA R3DFC RR73
184700  -4  534  R3DFC RA3DX RR73
185015 -14  538  CQ R3DFC KO95                         a1 (x2)
185230 -24 2037  R3DFC PD2BS JO33
185415 -14  537  CQ R3DFC KO95
063945  -4  640  R3DFC R7RDE -16
100430 -18 1990  R3DFC DL8WEM JN48
082130  -4 1841  R3DFC RN6MA +19 (x2)

Decoder S/N history by band

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