RD4AAK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving RD4AAK, decoded by SO8OO in southeastern Poland. 622 related FT8 messages, observed on 80m, 40m, 20m, across 48 UTC dates. Heard between 2026-05-25 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

622

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-25
Last seen: 2026-08-20 16:27 UTC

Frequent QSO partners observed at SO8OO

Stations RD4AAK worked most often, as logged from our receiver:

YO8RSL · Romania ×2 RI0SP · European Russia ×2 ON4ASV · Belgium ×2 RA3ZOM · European Russia ×2 SP7NHS · Poland RV6HTZ · European Russia DK4TX · Fed. Rep. of Germany DB1TH · Fed. Rep. of Germany SP3EK · Poland F4GHN · France UB3GCX · European Russia OK2UPG · Czech Republic

Activity Heatmap

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	RD4AAK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 18:30	40m	-18 / -	F4NGR	- / -10	2	Partial capture
08-20 18:28	40m	-18 / -	HB9FGO	- / -7	2	Partial capture
08-20 18:27	40m	-16 / -	EG5DX	- / -14	2	Partial capture
08-20 18:26	40m	-18 / -6	UA4QK	-6 / 0	4	✓ Full exchange observed
08-20 18:15	40m	-14 / -13	SP9CVY	0 / -5	5	✓ Full exchange observed
08-20 18:06	40m	-15 / -6	OE6MMD	+11 / -3	2	Partial capture
08-20 18:05	40m	-15 / -15	HA3GO	-10 / -	3	✓ Closing observed
08-20 18:01	40m	-16 / -	PA3BMB	- / -9	2	✓ Closing fragment
08-20 18:00	40m	-16 / -11	DK4TX	-9 / -13	3	✓ Full exchange observed
08-20 17:22	40m	-23 / -	RA0WBI	- / -16	3	Partial capture
08-20 17:18	40m	-24 / -15	UB2FEK	-3 / -12	5	✓ Full exchange observed
08-20 17:16	40m	- / -11	SV2BWY	-8 / -	2	✓ Closing fragment
08-20 17:05	40m	- / -16	IW7DHC	-6 / -	2	✓ Closing fragment
08-12 18:02	80m	-2 / +3	R8CKD	-12 / -16	4	✓ Full exchange observed
08-12 17:58	80m	+2 / -	UA3IHJ	- / -15	4	✓ Closing fragment
08-12 17:55	80m	-12 / -1	RA3ZOM	-3 / -6	4	✓ Full exchange observed
08-12 17:53	80m	- / -4	R50RKZ	+2 / -	2	✓ Closing fragment
08-12 15:35	20m	- / -5	RA8AO	-8 / -	2	✓ Closing fragment
08-11 18:34	20m	- / -15	OZ6P	-8 / -	2	✓ Closing fragment
08-11 18:20	20m	- / -12	DL9MKN	+18 / -	4	✓ Closing fragment
08-11 18:08	20m	- / -13	R2OM	+1 / -	3	✓ Closing fragment
08-11 17:54	20m	-21 / -9	SK3W	-1 / -16	3	✓ Full exchange observed
08-11 17:43	20m	-20 / -	R6ZCE	- / -13	2	✓ Closing fragment
08-11 17:32	20m	- / -10	YT7DX	0 / -	2	✓ Closing fragment
08-11 17:32	20m	- / -10	UA6YEX	-10 / -	2	✓ Closing fragment
08-11 17:30	20m	- / -11	ON4ASV	+2 / -	2	✓ Closing fragment
08-04 17:01	20m	- / +1	R4RN	-2 / -	2	✓ Closing fragment
08-04 16:47	20m	- / -14	DM5KM	-4 / -	2	✓ Closing fragment
07-29 10:06	20m	- / -7	DH9DR	0 / -	2	✓ Closing fragment
07-29 09:26	20m	- / -17	G1LQT	-16 / -	4	Partial capture
07-29 09:15	20m	- / -5	DK8IZ	-17 / -	2	✓ Closing fragment
07-28 15:52	20m	- / 0	DF7JU	0 / -	2	Partial capture
07-28 08:47	20m	- / +2	LZ3DX	-9 / -	2	✓ Closing fragment
07-28 05:56	20m	- / -2	RZ3Z/P	-16 / -	3	✓ Closing fragment
07-27 04:43	20m	- / -3	RU4LM	-8 / -	2	✓ Closing fragment
07-27 03:32	20m	- / -5	VA2EHQ	-9 / -	2	Partial capture
07-27 03:29	20m	-23 / -7	RA9SOZ	-15 / -17	2	Partial capture
07-26 19:47	20m	- / -7	M8FQT	-6 / -	2	✓ Closing fragment
07-26 19:42	20m	- / -10	RD6OB	-19 / -	2	✓ Closing fragment
07-26 18:17	20m	- / -12	EA2DYB	-2 / -	2	✓ Closing fragment
07-26 18:09	20m	- / -12	4O/YT4ZZ	-12 / -	2	Partial capture
07-26 18:06	20m	- / -7	RV4C	-6 / -	2	✓ Closing fragment
07-26 18:03	20m	- / 0	DL6EL	-9 / -	3	✓ Closing fragment
07-26 18:02	20m	- / -3	EA3KY	-16 / -	2	✓ Closing fragment
07-26 17:45	20m	- / -13	GM0SDV	-12 / -	3	Partial capture
07-26 15:16	20m	- / -12	EI2KTB	-14 / -	4	Partial capture
07-26 15:11	20m	- / +7	DL1YFS	-18 / -	2	✓ Closing fragment
07-26 06:13	20m	- / -15	R7GA	-5 / -	3	✓ Closing fragment
07-26 05:41	20m	-24 / -12	RA3ZDU	-22 / -	3	✓ Closing observed
07-25 05:03	20m	- / -16	W4PSK	-13 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
181800  +0 1820  RD4AAK SP9CVY R-13
181815 -17 1834  SP9CVY RD4AAK RR73
181830  +1 1820  RD4AAK SP9CVY 73
182045 -16 1834  HB9FGO RD4AAK -10
182245 -16 1593  EG5DX RD4AAK -15
182630 -18 1592  UA4QK RD4AAK +00
182645  -5 1433  RD4AAK UA4QK R-06
182700 -18 1593  UA4QK RD4AAK RR73
182715  -7 1433  RD4AAK UA4QK 73
182745 -18 1592  EG5DX RD4AAK -14 (x2)
182845 -20 1593  HB9FGO RD4AAK -07 (x2)
183015 -16 1592  F4NGR RD4AAK -10 (x2)

20m

UTC    dB Audio  Message
180945  -1  330  RD4AAK R2OM LO00 (x2)
181045 -10 1420  RD4AAK R3VA R-09
181830 -14 2077  RD4AAK DG5PI R-17
182000 +15 2987  RD4AAK DL9MKN R-12 (x4)
183115  +3  407  RD4AAK 9A2AJ 73
183400  -6 1402  RD4AAK OZ6P R-15 (x2)
185815  +1 1420  RD4AAK IZ5MMT R-11
153515 -10 2363  RD4AAK RA8AO R-05 (x2)
145845 -15 1365  JE2LPC RD4AAK -05

80m

UTC    dB Audio  Message
175330  -1 2228  RD4AAK R50RKZ R-04 (x2)
175530 -12 1045  RA3ZOM RD4AAK -06
175545  -3 1580  RD4AAK RA3ZOM R-01
175600 -11 1046  RA3ZOM RD4AAK RR73
175615  -3 1580  RD4AAK RA3ZOM 73
175700  +0 1090  RD4AAK R6FNM 73
175830  +0 1045  UA3IHJ RD4AAK -15 (x4)
180215  -1 1046  R8CKD RD4AAK -16
180230 -18 2053  RD4AAK R8CKD R+03
180245  -3 1045  R8CKD RD4AAK RR73
180300  -6 2052  RD4AAK R8CKD 73

Decoder S/N history by band

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