RN4SW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving RN4SW, decoded by SO8OO in southeastern Poland. 39 related FT8 messages, observed on 80m, 40m, 20m, across 6 UTC dates. Heard between 2026-05-16 and 2026-08-09.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-16
Last seen: 2026-08-09 20:57 UTC

Frequent QSO partners observed at SO8OO

Stations RN4SW worked most often, as logged from our receiver:

RM5F · European Russia IK5PVY · Italy M8KUU · England R95WTA · European Russia G1HHX · England AI0Y · United States MI7XHT · Northern Ireland R4FV · European Russia SP5LST · Poland IQ4JO · Italy RK3YWS · European Russia R2FDU · Kaliningrad

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	RN4SW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-09 22:55	80m	+2 / -6	R2FDU	+5 / -4	5	✓ Full exchange observed
08-09 22:54	80m	+1 / -12	IQ4JO	+8 / -4	4	✓ Full exchange observed
08-09 22:52	80m	-1 / -7	DL9KM	-7 / -11	6	✓ Full exchange observed
07-05 20:59	80m	-12 / -	RM5F	+5 / -6	4	✓ Closing observed
07-05 20:59	80m	-6 / -16	IK5PVY	-14 / -15	4	✓ Full exchange observed
07-05 20:41	20m	-8 / -	M3OTU	- / -18	2	Partial capture
06-04 13:12	20m	+8 / -	TA4INO	- / -13	2	Partial capture
06-04 13:08	20m	+5 / -	GW6RTV	- / -14	2	Partial capture
06-04 13:06	20m	+6 / -	VE9TIC	- / -14	2	Partial capture
06-03 13:23	20m	-11 / -	M9VVE	- / -10	2	Partial capture
06-03 13:03	20m	-13 / -6	R2DRY	-10 / +3	4	Partial capture
06-03 13:02	20m	-7 / -	AI0Y	- / -16	2	✓ Closing fragment
06-03 12:20	20m	-10 / -	RA0SCZ	- / -17	2	Partial capture
06-03 12:17	20m	- / -10	RK3YWS	+20 / -	2	✓ Closing fragment
06-03 12:07	20m	-12 / -	G3JVA	- / -19	4	✓ Closing fragment
06-03 12:06	20m	-15 / -	G0DIH	- / -18	3	Partial capture
06-03 12:03	20m	-7 / -	M8IRI	- / -7	2	✓ Closing fragment
06-03 11:48	20m	- / -13	R95WTA	-8 / -	2	✓ Closing fragment
06-02 14:38	20m	+4 / -	T31TTT	- / -16	2	Partial capture
05-29 20:25	40m	-7 / -	R4FV	+2 / -12	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
130445  +2 1938  R2FDS RN4SW -04
130630  +4 1938  VE9TIC RN4SW -14 (x2)
130730  +6 1938  EI8HV RN4SW -10
130830  +4 1938  GW6RTV RN4SW -14 (x2)
130930  +5 1938  RV9WJP RN4SW -15
131045 +12 1938  G1HHX RN4SW RR73
131200 +10 1938  TA4INO RN4SW -13 (x2)
131300  +9 1938  VE3EIF RN4SW -12
132200  +4 1938  <...> RN4SW -10
204145 -16 1937  M3OTU RN4SW -18 (x2)
225915 -17 1321  RK3DSW RN4SW R-06

80m

UTC    dB Audio  Message
225230  -9 1169  RN4SW DL9KM JN68 (x2)
225315  -3 1247  DL9KM RN4SW -11
225330  -4 1169  RN4SW DL9KM R-07
225345  +1 1247  DL9KM RN4SW RR73
225400  -7 1169  RN4SW DL9KM 73
225415  +1 1247  IQ4JO RN4SW -04
225430  +8 1854  RN4SW IQ4JO R-12
225445  +0 1247  IQ4JO RN4SW RR73 (x2)
225530  +6 2028  RN4SW R2FDU -06 (x2)
225615  +0 1247  R2FDU RN4SW 73 (x2)
225730  +5 2028  RN4SW R2FDU R-01

40m

UTC    dB Audio  Message
202500  -9 1840  <...> RN4SW -11
202545  +2 1822  RN4SW R4FV LO22
202600  -5 1839  R4FV RN4SW -12 (x2)
202700  -8 1839  9J2FI RN4SW -18
202730  -8 1839  R4FV RN4SW RR73
210115 -11 2379  RN4SW <...> R-10

Decoder S/N history by band

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