RU4SS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO36

Receiver-side FT8 activity involving RU4SS, decoded by SO8OO in southeastern Poland. 496 related FT8 messages, 16 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 54 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

496

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 14:18 UTC

Frequent QSO partners observed at SO8OO

Stations RU4SS worked most often, as logged from our receiver:

R95WTA · European Russia ×4 S59A · Slovenia ×2 R0AH · Asiatic Russia ×2 UA3SAO · European Russia ×2 RA3ZGT · European Russia ×2 HA2AI · Hungary ×2 UB9WPD · Asiatic Russia ×2 UI5A · European Russia ×2 RT2P · European Russia ×2 R70OBN · European Russia ×2 TA7ARH · Asiatic Turkey ×2 UA3RCW · European Russia ×2

Activity Heatmap

Locator transmitted by RU4SS

Approximate centre of LO36, decoded 2026-08-23 16:18 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	RU4SS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 16:19	20m	+4 / -	OK5AG/P	- / -10	2	✓ Closing fragment
08-23 16:18	20m	+9 / +8	DA1EA	-16 / -3	4	✓ Full exchange observed
08-23 16:16	20m	+7 / +1	F1UNR	-14 / -10	5	✓ Full exchange observed
08-23 16:14	20m	+7 / +9	M1DBB	-4 / -11	5	✓ Full exchange observed
08-23 16:11	20m	+6 / -8	F1POK	-12 / +1	4	✓ Full exchange observed
08-23 16:10	20m	+6 / -10	EA2CD	-13 / -13	4	✓ Full exchange observed
08-23 16:02	20m	-6 / -	G6ZRV	+6 / -10	4	✓ Full exchange observed
08-22 19:03	160m	- / -14	RT2P	-4 / -	2	✓ Closing fragment
08-22 18:59	80m	0 / +6	R5BS	+9 / +3	4	✓ Full exchange observed
08-22 18:50	80m	-9 / +3	UF4S/P	+1 / +4	9	✓ Full exchange observed
08-22 15:07	20m	-1 / -	BA8BFT	- / -	4	✓ Closing fragment
08-22 15:01	20m	-3 / -	9N2WF	- / -5	5	Partial capture
08-22 14:59	20m	-6 / -	RV3DCM/1	- / -12	2	Partial capture
08-22 14:58	20m	-10 / -	<...>	- / -	2	Partial capture
08-22 14:54	20m	-6 / -	R8UB	- / -6	4	✓ Closing fragment
08-22 14:52	20m	-6 / -	RA0LQ	- / +2	3	✓ Closing fragment
08-22 14:50	20m	-10 / -	BD4VPZ	- / -12	2	✓ Closing fragment
08-22 14:48	20m	-8 / -	JA1EMQ	- / 0	3	✓ Closing fragment
08-22 14:46	20m	-5 / -	JL8RCL	- / -11	3	✓ Closing fragment
08-22 14:42	20m	-8 / -	BA4II	- / -20	2	✓ Closing fragment
08-22 14:40	20m	-4 / -	BA4UCC	- / -4	3	✓ Closing fragment
08-22 14:38	20m	+1 / -	HL4CNR	- / -	2	Partial capture
08-22 10:44	20m	-2 / -	SQ5NAP	- / -8	3	✓ Closing fragment
08-21 17:05	80m	-21 / +1	RA3GZ	0 / 0	5	✓ Full exchange observed
08-21 17:02	80m	-19 / +2	UA4QK	-13 / +4	4	✓ Full exchange observed
08-21 16:59	40m	- / -17	RA3M	-5 / -	2	✓ Closing fragment
08-21 10:47	20m	-11 / -	JA7OTE	- / -12	3	✓ Closing fragment
08-21 10:44	20m	-12 / -	UA9LLB	- / -	2	✓ Closing fragment
08-21 07:29	20m	- / -	DL9KM	+7 / -	7	Partial capture
08-21 07:26	20m	-13 / -	ZL4TT	- / -8	3	Partial capture
08-21 07:22	20m	-14 / -	ZL4TT	- / -	2	Partial capture
08-21 07:21	20m	-20 / +2	OJ0YL	-13 / +4	4	Partial capture
08-21 06:59	40m	- / -18	OJ0JR	-10 / -	2	Partial capture
08-20 12:57	20m	+2 / -	TA3KJ	- / -	2	Partial capture
08-20 12:56	20m	+2 / -	SP2EOE	- / -6	3	✓ Closing fragment
08-20 12:53	20m	- / -	PD1ADA	-14 / -	4	Partial capture
08-20 12:52	20m	+3 / -2	IU2VBP	+4 / -11	5	✓ Full exchange observed
08-20 12:51	20m	+1 / -	9A3TGY	- / -11	3	✓ Closing fragment
08-20 12:48	20m	-1 / -3	DH9DR	+2 / -1	4	✓ Full exchange observed
08-20 12:47	20m	-2 / -	F5LVR	- / -9	2	✓ Closing fragment
08-20 12:46	20m	-4 / -	9A170NT	- / -9	2	Partial capture
08-20 12:43	20m	0 / -14	F4NJT	-8 / -10	7	✓ Full exchange observed
08-20 09:54	20m	-12 / -	HI8J	- / -2	2	✓ Closing fragment
08-20 09:53	20m	-3 / -19	DL4DD	-10 / -	2	✓ Closing observed
08-20 09:49	20m	-5 / -	SP9MIV	- / -4	3	✓ Closing fragment
08-20 09:47	20m	-5 / -	SV3GKU	- / -6	3	✓ Closing fragment
08-20 09:46	20m	-3 / -5	G0ORX	0 / +1	5	✓ Full exchange observed
08-20 09:44	20m	-1 / +7	PA0GDL	-4 / -14	5	✓ Full exchange observed
08-20 09:43	20m	0 / +5	R6OD	-4 / +2	5	✓ Full exchange observed
08-20 09:42	20m	-2 / -8	S55A	-20 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
161500  +7 1719  M1DBB RU4SS R-11
161515  -2 1065  RU4SS M1DBB RR73
161530  +6 1720  M1DBB RU4SS 73
161600  +5 1720  F1UNR RU4SS LO36
161615 -20 2263  RU4SS F1UNR +01
161630  +8 1720  F1UNR RU4SS R-10
161645  -9 2263  RU4SS F1UNR RRR
161700  +7 1719  F1UNR RU4SS 73
161730 +10 1719  CQ RU4SS LO36
161800 +12 1720  DA1EA RU4SS LO36
161815 -16 2382  RU4SS DA1EA +08
161830 +11 1720  DA1EA RU4SS R-03 (x2)
161930  +6 1720  OK5AG/P RU4SS -10 (x2)

160m

UTC    dB Audio  Message
190315  -3 1276  RU4SS RT2P -14 (x2)
190500 -19 1276  UA9FFV RU4SS RR73

80m

UTC    dB Audio  Message
185245 -10 1800  UF4S/P RU4SS R+04 (x6)
185615  -4 1800  RW9H/M RU4SS LO36
185700  -5 1801  LB6LK RU4SS LO36
185730  +7 1413  RU4SS R1530IG +01
185745  -1  820  II7MGBA RU4SS R+01
185930  +9 2672  RU4SS R5BS +06
185945  +0  820  R5BS RU4SS R+03
190000  +9 2672  RU4SS R5BS RR73
190015  +0  820  R5BS RU4SS 73
190115  -5  820  HA8TJP RU4SS LO36

40m

UTC    dB Audio  Message
201700  +1 1485  RU4SS DL5RCN -08 (x2)
201915 -15 2058  RU4SS DL4EQ +08
201930 -20 2123  DL4EQ RU4SS R-12
202145 -18 2115  RU4SS UB6ZDJ KN98
202400 -20 2112  CQ RU4SS LO36
202415 -14 2552  RU4SS SV1DZB KM18
202530 -21 2203  RU4SS CN8NS RR73
202545 -19 1133  CN8NS RU4SS 73
065930 -11  391  RU4SS OJ0JR -18 (x2)
070030  -9  392  RU4SS RR73; IK7QMJ <HA1DSL> -16
165900  -3 1157  RU4SS RA3M -17 (x2)
170100 -14 1903  YD6APA RU4SS LO36

10m

UTC    dB Audio  Message
160645 -19 2215  RU9AD RU4SS 73
160715 -14 2215  CQ RU4SS LO36 (x2)
160815 -19 2216  R4HMI RU4SS -06 (x2)
165700  +1  609  RU4SS TA7ARH -01 (x2)
155215 -17 2079  RU4SS RU3OW KO91 (x2)
101445 -19 1642  RU4SS 4X5MZ RR73
101730 -19 2275  RU4SS RW3RN -04
113830 -12  995  RU4SS G0VZN -12 (x2)
071115 -17 1358  RU4SS RK6MC -10
090045  +2 2296  RU4SS RK6A RR73

Decoder S/N history by band

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