RU3FA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO84

Receiver-side FT8 activity involving RU3FA, decoded by SO8OO in southeastern Poland. 1,098 related FT8 messages, 674 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 65 UTC dates. Heard between 2026-05-28 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

1,098

Related messages

674

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-28
Last seen: 2026-08-23 18:40 UTC

Frequent QSO partners observed at SO8OO

Stations RU3FA worked most often, as logged from our receiver:

ON4MAP · Belgium ×4 F1PBZ · France ×3 EU1EU · Belarus ×2 PS8CW · Brazil ×2 PT9BM · Brazil ×2 UD8S · Asiatic Russia ×2 R2EA · European Russia ×2 E70SZ · Bosnia-Herzegovina ×2 IK4LZH · Italy ×2 R5AV · European Russia ×2 S59A · Slovenia ×2 RA6AR · European Russia ×2

Activity Heatmap

Locator transmitted by RU3FA

Approximate centre of KO84, decoded 2026-08-23 20:38 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	RU3FA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 17:42	160m	-6 / -	R2ATY	- / -7	2	✓ Closing fragment
08-23 03:10	40m	-10 / +1	KV1J	+2 / -15	5	✓ Full exchange observed
08-23 03:00	40m	-4 / -	KV1J	- / -10	2	Partial capture
08-23 00:41	40m	+1 / -	ON4MAP	- / -18	2	✓ Closing fragment
08-23 00:39	40m	+2 / -	W4GGJ	- / -18	4	✓ Closing fragment
08-23 00:35	40m	+2 / -	KR4DWD	- / -15	4	✓ Closing fragment
08-23 00:32	40m	+4 / -	K3ZK	- / -	3	Partial capture
08-23 00:30	40m	+5 / -	TA2ED	- / -9	2	✓ Closing fragment
08-22 22:03	40m	-2 / -	BG4OOO	- / -	2	Partial capture
08-22 22:02	40m	-2 / -	VK6BAD	- / -	2	Partial capture
08-22 22:00	40m	-6 / -	UA0SCF	- / -9	3	✓ Closing fragment
08-22 20:20	80m	+1 / -15	DO1OAS	-8 / -20	9	✓ Full exchange observed
08-22 20:15	80m	- / -16	DO1OAS	-12 / -	5	Partial capture
08-22 20:09	80m	+6 / -20	JA5MHD	-18 / -15	4	✓ Full exchange observed
08-22 03:45	80m	- / -18	YO4NT	+3 / -	2	✓ Closing fragment
08-21 16:55	10m	- / -	PD4DX	-16 / -	2	Partial capture
08-17 03:03	80m	-24 / -12	R5AV	-2 / -14	3	✓ Full exchange observed
08-16 08:02	10m	-11 / -	YU7MA	- / -5	2	✓ Closing fragment
08-15 18:50	40m	-16 / 0	OH3MB	-15 / -4	5	✓ Full exchange observed
08-14 21:22	40m	-15 / -	SM7JKW	- / -11	4	Partial capture
08-14 21:17	80m	-11 / -12	F1PBZ	0 / -	2	✓ Closing observed
08-13 22:59	20m	- / +3	NP4TX	-18 / -	2	✓ Closing fragment
08-13 22:52	80m	- / -	EA7LIC	-5 / -	3	Partial capture
08-13 22:49	60m	- / -	PG7R	-6 / -	3	Partial capture
08-12 17:46	10m	-20 / -	SN4K	- / +4	2	Partial capture
08-12 02:35	40m	-19 / -	OA4ENG	- / -11	2	✓ Closing fragment
08-09 21:03	40m	-14 / -	RA6AR	-22 / -1	4	✓ Closing observed
08-09 21:01	40m	-19 / -	OM1TD	- / -18	3	✓ Closing fragment
08-09 20:19	80m	-2 / -	RA9YTI	- / -	2	Partial capture
08-09 20:18	80m	-2 / 0	R3QX	-17 / -4	4	✓ Full exchange observed
08-08 21:10	160m	- / -	SE2P	-18 / -	4	Partial capture
08-08 20:15	80m	-8 / -	RW3SB	- / -12	2	✓ Closing fragment
08-08 20:13	80m	-8 / -2	R3YBG	-11 / -6	6	✓ Full exchange observed
08-08 19:00	20m	- / -11	PD3LKN	-3 / -	3	✓ Closing fragment
08-08 18:58	20m	- / -	XV9T	-10 / -	2	Partial capture
08-08 10:26	20m	-14 / +5	RJ2T	-22 / -4	5	✓ Full exchange observed
08-08 10:24	20m	-20 / -	N9VD	- / -	2	Partial capture
08-08 10:22	20m	-20 / -	DL6RH	- / -20	2	Partial capture
08-06 02:30	80m	-18 / -12	R6AM	-10 / -	5	✓ Closing observed
08-06 02:30	80m	- / -	RW3XB	-2 / -	2	✓ Closing fragment
08-06 02:29	80m	- / -11	SQ2BXI	+16 / -	2	✓ Closing fragment
08-06 02:25	40m	-18 / -	R1QD	- / -7	2	✓ Closing fragment
08-05 20:05	40m	-18 / -	R6DHI	- / -14	2	✓ Closing fragment
08-05 20:04	80m	- / -14	<...>	-10 / -	2	Partial capture
08-05 20:01	80m	- / +8	R3YAU	-10 / -	2	✓ Closing fragment
08-05 19:47	160m	-24 / -	<...>	- / -7	3	Partial capture
08-05 18:47	80m	-12 / -11	S59A	+6 / -20	4	✓ Full exchange observed
08-02 16:57	40m	- / -10	R1WBW	-14 / -	3	✓ Closing fragment
08-01 20:16	160m	+1 / -5	R4FDD	-12 / -3	4	✓ Full exchange observed
08-01 06:45	20m	-16 / -12	UB4HVA	-23 / -16	3	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
201745  +5 1575  CQ RU3FA KO84 (x5)
202000 -11 1569  RU3FA DO1OAS -15
202015  -1 1567  DO1OAS RU3FA R-20
202030  -9 1569  RU3FA DO1OAS RR73
202045  +1 1570  DO1OAS RU3FA R-20 (x2)
202130  -4  858  RU3FA DO1OAS RR73
202145  +2 1568  DO1OAS RU3FA R-26
202200  -6  858  RU3FA DO1OAS RR73
202215  +2 1569  DO1OAS RU3FA R-26
204030  +4 1696  RU3FA EW8AAC R-06

160m

UTC    dB Audio  Message
195915 -23 1697  CQ RU3FA KO84 (x7)
174215  -4 1835  R2ATY RU3FA R-07 (x2)
174315 -10 1839  CQ RU3FA KO84 (x6)

40m

UTC    dB Audio  Message
004545  +1 1798  CQ RU3FA KO84 (x4)
025900  -8 3037  RU3FA N1NRL FN41
025915  +1 1799  CQ RU3FA KO84 (x2)
030015  -4 1798  KV1J RU3FA -10 (x2)
031015  -6 1799  CQ RU3FA KO84                         a1
031045  -8 1799  KV1J RU3FA KO84
031100  +0 2121  RU3FA KV1J +01
031115 -10 1799  KV1J RU3FA R-15
031130  +3 2121  RU3FA KV1J RR73
031145 -11 1799  KV1J RU3FA 73

10m

UTC    dB Audio  Message
101415 -16 1697  RU3FA PD1HPB 73
105215 -22 1782  RU3FA M7HET IO91
174600 -20 1852  SN4K RU3FA +04 (x2)
174700 -21 1848  CQ RU3FA KO84 (x5)
080215  -9 1655  YU7MA RU3FA -05 (x2)
125500 -14 1765  RU3FA LZ2CC -23
165530 -16 1470  RU3FA PD4DX JO33 (x2)
185145 -21 1797  CQ RU3FA KO84

20m

UTC    dB Audio  Message
102615  -9 1889  CQ RU3FA KO84
102630 -23 1725  RU3FA RJ2T LO26
102645 -15 1887  RJ2T RU3FA -04
102700 -20 1724  RU3FA RJ2T R+05
102715 -12 1888  RJ2T RU3FA RR73
102730 -24 1723  RU3FA RJ2T 73
142800 -21 1809  RU3FA G7FCT IO93
143330  -8 1476  RU3FA F4MZI -18
185800 -10  374  RU3FA XV9T OK33 (x2)
190015  +2 1672  RU3FA PD3LKN JO22 (x3)
225915 -20 1318  RU3FA NP4TX +03 (x2)

60m

UTC    dB Audio  Message
224915  -5 1631  RU3FA PG7R JO22 (x3)

Decoder S/N history by band

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