RZ0SW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Asiatic Russia Locator transmitted in a decoded message: OO13

Receiver-side FT8 activity involving RZ0SW, decoded by SO8OO in southeastern Poland. 2,184 related FT8 messages, 866 CQ messages, observed on 80m, 40m, 20m, 10m, across 46 UTC dates. Heard between 2026-04-22 and 2026-07-19.

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

2,184

Related messages

866

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-04-22
Last seen: 2026-07-19 14:51 UTC

Frequent QSO partners observed at SO8OO

Stations RZ0SW worked most often, as logged from our receiver:

PH7GD · Netherlands ×2 RA4CGX · European Russia ×2 YO8BPS · Romania ×2 EW8DU · Belarus ×2 R9HEP · Asiatic Russia ×2 G4PMZ · England YU7EF · Serbia F5GPE · France RO6G · European Russia JA6MYQ · Japan F6ISI · France JG3MPK · Japan

Activity Heatmap

Locator transmitted by RZ0SW

Approximate centre of OO13, decoded 2026-06-05 09:39 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	RZ0SW S/N	Counterpart	Counterpart S/N	Msgs	Capture
07-19 16:48	40m	- / -8	S59A	-3 / -	6	✓ Closing fragment
07-19 16:21	40m	- / -8	RZ6DZ	-20 / -	2	✓ Closing fragment
07-19 06:06	20m	- / -	IK4LZH	-4 / -	4	Partial capture
07-19 06:04	20m	- / -19	HB9TWU	+5 / -	2	Partial capture
07-19 05:42	20m	- / -	IK4LZH	-4 / -	4	Partial capture
07-19 05:36	20m	- / -7	RU4AJ	-7 / -	3	✓ Closing fragment
07-19 05:33	20m	- / -	R3PMN	-15 / -	2	✓ Closing fragment
07-18 13:46	20m	- / -	PD1FS	-16 / -	4	Partial capture
07-18 13:41	20m	- / -	UR5VLC	-15 / -	3	Partial capture
07-17 15:53	10m	- / -1	SV2CLJ	-8 / -	2	✓ Closing fragment
07-17 13:24	20m	- / -15	F1PBZ	-16 / -	2	Partial capture
07-17 09:19	20m	- / -	DK1TUX	-3 / -	3	Partial capture
07-17 09:09	20m	- / -15	EA5AR	-12 / -	2	Partial capture
07-17 09:01	20m	- / -	IK4LZH	+2 / -	4	Partial capture
07-17 08:57	20m	- / -	IK4LZH	+1 / -	4	Partial capture
07-17 08:53	20m	- / -	IK4LZH	+4 / -	4	Partial capture
07-17 08:46	20m	- / -	IK4LZH	0 / -	4	Partial capture
07-17 08:38	20m	- / -	IK4LZH	+2 / -	4	Partial capture
07-17 08:30	20m	- / -	IK4LZH	-1 / -	3	Partial capture
07-17 08:22	20m	- / -	IK4LZH	+2 / -	4	Partial capture
07-17 08:21	20m	- / -18	IK6GPZ	-18 / -	2	✓ Closing fragment
07-17 08:15	20m	- / -	IK4LZH	+4 / -	3	Partial capture
07-17 08:15	20m	- / -	PD2WL	-21 / -	4	Partial capture
07-17 08:11	20m	- / -	IK4LZH	+2 / -	4	Partial capture
07-14 03:55	20m	- / -11	UA6AKW	-12 / -	2	✓ Closing fragment
07-14 03:51	20m	- / -	RA6OF	-16 / -	2	Partial capture
07-13 14:50	20m	-16 / -	ON4CBK	-20 / -15	2	Partial capture
07-13 14:40	20m	- / -15	YO6CVN	0 / -	4	✓ Closing fragment
07-13 07:47	20m	- / -	EA5OL	-7 / -	3	Partial capture
07-13 06:44	20m	- / -20	PA3EVY	-10 / -	2	✓ Closing fragment
07-13 05:42	20m	- / -	IK4LZH	-6 / -	3	Partial capture
07-13 05:28	20m	- / -9	F4FTV	-19 / -	3	✓ Closing fragment
07-13 05:01	20m	- / -12	EA5HEU	-20 / -	3	Partial capture
07-13 02:13	20m	- / -	R3XG	-13 / -	2	✓ Closing fragment
07-12 12:31	20m	-15 / -	JH9DRL	- / -1	2	✓ Closing fragment
07-12 12:27	20m	- / -	IK4LZH	+6 / -	3	Partial capture
07-12 12:20	20m	- / -10	F6ISI	-15 / -	3	✓ Closing fragment
07-12 12:06	20m	-22 / -	BG7OCS	- / -16	2	Partial capture
07-12 11:32	20m	- / -9	R2PX	-18 / -	3	✓ Closing fragment
07-12 11:12	20m	- / -	IK4LZH	+6 / -	4	Partial capture
07-12 10:59	20m	- / -	IK4LZH	+2 / -	3	Partial capture
07-12 10:55	20m	- / -	IK4LZH	+7 / -	3	Partial capture
07-12 10:47	20m	- / -	IK4LZH	+8 / -	4	Partial capture
07-12 00:21	20m	-10 / -	BD1DCS	- / -5	2	Partial capture
07-12 00:19	20m	-14 / -	SV9MBH	- / -3	2	Partial capture
06-30 13:41	20m	- / -8	RW4COM	-22 / -	2	✓ Closing fragment
06-30 03:30	20m	- / -15	RZ4AZ	-12 / -	3	✓ Closing fragment
06-29 15:33	20m	- / -2	RN6HGI	-3 / -	2	✓ Closing fragment
06-29 15:24	20m	- / -9	DL1R	-1 / -	12	✓ Closing fragment
06-27 08:10	10m	- / -	I4SJZ	-8 / -	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
164945 -16  989  RZ0SW HF7X KO01
170215 -13  913  RZ0SW R6ZCE -14 (x2)
171115 -16 1053  RZ0SW UB6SAN R-09
174030 -11  775  RZ0SW RC6OD RR73
174200 -11 1022  RZ0SW R6FMK LN05
162100 -19 1529  RZ0SW RZ6DZ -08 (x2)
163800 -15 1238  RZ0SW R3EDI RR73
164815  +0 2120  RZ0SW S59A -08 (x6)

20m

UTC    dB Audio  Message
053645  -7  633  RZ0SW RU4AJ LO00 (x3)
054215  -9  761  RZ0SW IK4LZH JN54 (x4)
060415  +6 1938  RZ0SW HB9TWU JN36 (x2)
060615  -4  761  RZ0SW IK4LZH JN54 (x4)
061945 -10 1308  RZ0SW F5GPE JN25
062115 -12  371  RZ0SW SV1SSL 73

10m

UTC    dB Audio  Message
093445 -17 1788  RX6CC RZ0SW OO13
093545 -22 1789  E72DX RZ0SW -20 (x3)
093900 -16 1788  OX7CXI/R RZ0SW OO13 (x2)
080615  +4  498  RZ0SW I4SJZ JN64 (x7)
155330  -8  652  RZ0SW SV2CLJ -01 (x2)

Decoder S/N history by band

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