R9FCS/4 — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving R9FCS/4, decoded by SO8OO in southeastern Poland. 90 related FT8 messages, 5 CQ messages, observed on 80m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-25 and 2026-08-17.

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

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-25
Last seen: 2026-08-17 11:32 UTC

Frequent QSO partners observed at SO8OO

Stations R9FCS/4 worked most often, as logged from our receiver:

R0SDC · Asiatic Russia 8C81NB · Indonesia

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	R9FCS/4 S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-17 13:31	10m	- / -10	RA3ZH	-14 / -	2	Partial capture
08-14 18:12	80m	- / -	R3UG	+2 / -	2	Partial capture
08-14 18:12	80m	- / -	R3PJ	0 / -	3	Partial capture
08-14 17:28	80m	- / +2	RA3TVW	-16 / -	8	Partial capture
08-14 17:28	80m	-15 / -	<...>	+1 / -	2	✓ Closing fragment
08-14 17:21	80m	- / -	<...>	-17 / -	2	✓ Closing fragment
08-14 17:21	80m	- / -9	RN3RY	-4 / -	3	Partial capture
08-14 17:17	80m	- / -	UB8A	+1 / -	3	Partial capture
08-14 17:15	80m	-24 / -	<...>	-7 / -	2	✓ Closing fragment
08-14 17:14	80m	- / -19	UA6EU	-4 / -	2	Partial capture
08-14 17:06	80m	- / -	R3MBV	-16 / -	2	Partial capture
08-14 17:06	80m	- / -12	RD7LC	0 / -	2	Partial capture
08-14 17:03	80m	- / -	<...>	-1 / -	6	✓ Closing fragment
07-19 17:24	40m	- / -	<...>	-3 / -	2	✓ Closing fragment
06-26 16:12	10m	- / -	<...>	-5 / -	2	✓ Closing fragment
06-07 13:12	20m	-4 / -	<...>	-2 / -	10	Partial capture
06-07 13:08	20m	-11 / -2	RX9LK	+5 / +1	2	Partial capture
06-07 13:05	20m	+3 / -	<...>	+6 / -	5	✓ Closing fragment
06-07 11:34	10m	- / -	<...>	0 / -	2	✓ Closing fragment
06-07 11:34	10m	- / -	RK6AH	+4 / -	2	Partial capture
06-04 16:55	20m	-5 / -	<...>	+10 / -	4	✓ Closing fragment
06-04 16:51	20m	-8 / -	<...>	- / -	2	Partial capture
06-04 16:47	20m	-8 / -11	IQ9BF	+23 / -10	2	Partial capture
06-04 16:46	20m	-10 / -	<...>	+22 / -	3	✓ Closing fragment
06-04 09:51	10m	- / -	<...>	-4 / -	2	✓ Closing fragment
06-01 16:59	20m	- / -12	UX7UU	-14 / -	2	Partial capture
06-01 16:57	20m	-8 / 0	RA6FC	+2 / +2	2	Partial capture
06-01 16:56	20m	-9 / -	<...>	+9 / -	5	✓ Closing fragment
06-01 16:53	20m	-4 / -11	R0SDC	+3 / -13	4	✓ Full exchange observed
05-29 09:31	20m	-8 / -10	R2ZC	-6 / -8	4	Partial capture
05-29 09:28	20m	-8 / -	<...>	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
095145  -3 1288  R9FCS/4 <...> RR73 (x2)
113400  +3 1920  <R9FCS/4> RK6AH KN94
113400  -1  599  R9FCS/4 <...> RR73
113430  +6 1920  <R9FCS/4> RK6AH KN94
113430  +0  599  R9FCS/4 <...> RR73 (x7)
133130 -17 1312  R9FCS/4 RA3ZH KO81 (x2)
133230  -9 1310  8C81NB R9FCS/4 73

80m

UTC    dB Audio  Message
172800 -15 1100  <...> R9FCS/4 RR73
172815  +1 1101  R9FCS/4 <...> 73
172815 -16 1477  <R9FCS/4> RA3TVW +02 (x8)
181215  +3 1113  R9FCS/4 R3PJ KO84 (x2)
181245  +5  560  R9FCS/4 R3UG LO17 (x2)
181315  -2 1113  R9FCS/4 R3PJ KO84

40m

UTC    dB Audio  Message
160900 -18 1261  R9FCS/4 <...> RR73 (x6)

20m

UTC    dB Audio  Message
130800  +5  633  R9FCS/4 RX9LK -02
130815 -11  632  RX9LK R9FCS/4 R+01
130830  +3  631  R9FCS/4 <...> RR73 (x4)
131400  -2  325  <...> R9FCS/4
131415  -3  447  R9FCS/4 <...> RRR (x2)
131530  -4 1217  <...> R9FCS/4 (x6)

Decoder S/N history by band

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