RV3IO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO77

Receiver-side FT8 activity involving RV3IO, decoded by SO8OO in southeastern Poland. 563 related FT8 messages, 52 CQ messages, observed on 40m, 20m, 10m, across 55 UTC dates. Heard between 2026-05-23 and 2026-08-21.

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

563

Related messages

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-05-23
Last seen: 2026-08-21 14:56 UTC

Frequent QSO partners observed at SO8OO

Stations RV3IO worked most often, as logged from our receiver:

F1IQH · France ×6 RL3QGD · European Russia ×2 R5AV · European Russia ×2 R5BM · European Russia ×2 R6TA · European Russia EU1FQ · Belarus OZ9WRH · Denmark TJ1GD/P · Cameroon YL3CU · Latvia TA5CUK · Asiatic Turkey A61FJ · United Arab Emirates RW4HM · European Russia

Activity Heatmap

Locator transmitted by RV3IO

Approximate centre of KO77, decoded 2026-08-23 03:18 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	RV3IO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 03:18	20m	-15 / -	TJ1GD	- / -12	2	Partial capture
08-21 16:56	40m	-11 / -	RA6MQ	-4 / +2	3	✓ Closing observed
08-21 16:55	40m	- / -	F1IQH	-13 / -	3	Partial capture
08-21 16:53	40m	-10 / -	BA5CW	-15 / +6	2	Partial capture
08-21 16:52	40m	-14 / -	UA0QNE	- / -1	2	✓ Closing fragment
08-21 16:51	40m	-14 / -5	R4CI	-8 / +10	3	✓ Full exchange observed
08-21 16:48	40m	-12 / -	R8LCI	- / -	2	✓ Closing fragment
08-12 02:17	20m	- / -11	IU2VBP	-12 / -	3	✓ Closing fragment
08-09 17:36	40m	- / -	RN3YN	-8 / -	2	Partial capture
08-04 00:37	40m	- / -24	EA5FD	-12 / -	2	Partial capture
08-04 00:33	40m	- / -19	A71XX	-2 / -	3	✓ Closing fragment
08-01 03:02	40m	-20 / -	RX6DA	- / 0	2	Partial capture
08-01 03:01	40m	-18 / -	R6OIZ	- / +9	2	Partial capture
08-01 02:57	40m	-21 / +1	HB10GBT	-16 / 0	3	Partial capture
07-31 22:39	40m	-9 / -9	TA7ARH	-6 / -	4	Partial capture
07-31 22:35	40m	-10 / +3	SP2OSP	-9 / -	3	✓ Closing observed
07-31 22:31	40m	-10 / -7	R7GA	-6 / +3	4	✓ Full exchange observed
07-31 22:29	40m	-13 / -	SV1EKI	-23 / -1	2	Partial capture
07-31 22:27	40m	-11 / 0	LZ1GC	-2 / -	3	✓ Closing observed
07-31 22:25	40m	-10 / -	BH8NNU	- / -23	2	✓ Closing fragment
07-31 22:24	40m	-10 / -	ON4MAP	- / -13	2	Partial capture
07-31 22:22	40m	-6 / -21	R3LC	-13 / -18	4	✓ Full exchange observed
07-31 22:18	40m	-12 / -19	R3LC	-23 / -13	2	Partial capture
07-31 22:15	40m	-14 / -2	R3KFT	-16 / -9	6	✓ Closing observed
07-30 23:42	40m	-12 / +1	RZ6ALZ	-14 / +10	8	✓ Closing observed
07-30 23:36	40m	-16 / -	TJ1GD/P	- / -15	2	✓ Closing fragment
07-30 23:32	40m	-16 / -	4S6ARW	- / -	2	✓ Closing fragment
07-30 23:29	40m	-15 / +4	SP0DF	-13 / +4	2	Partial capture
07-30 23:28	40m	- / -6	DK0WK	-7 / -	2	✓ Closing fragment
07-28 01:54	40m	-10 / -	A71XX	- / -10	2	Partial capture
07-28 01:46	40m	- / -5	F1IQH	-14 / -	2	✓ Closing fragment
07-28 01:44	40m	- / -	DH5BM	-4 / -	2	✓ Closing fragment
07-27 01:01	40m	- / -	R3SN	-14 / -	2	✓ Closing fragment
07-27 01:00	40m	-12 / -	KP4GBF	- / -	2	✓ Closing fragment
07-27 00:55	40m	- / -10	R5AV	-8 / -	2	✓ Closing fragment
07-25 12:43	10m	- / +7	OZ5NJ	-17 / -	3	✓ Closing fragment
07-25 01:08	40m	-20 / -	RG6ZF	- / +6	2	✓ Closing fragment
07-25 01:01	40m	-14 / -3	F1IQH	-18 / -6	6	✓ Full exchange observed
07-25 01:00	40m	-16 / -	PD1HBL	- / -2	2	✓ Closing fragment
07-25 00:58	40m	-14 / -7	9A2L	-12 / +6	4	✓ Full exchange observed
07-25 00:41	40m	-9 / 0	TK5K	-16 / +5	5	✓ Full exchange observed
07-22 07:22	10m	- / -	RA6ATZ	-16 / -	2	Partial capture
07-17 00:24	40m	-18 / -	PY5QW	- / -5	3	✓ Closing fragment
07-17 00:17	40m	- / -6	F1PBZ	-4 / -	2	✓ Closing fragment
07-17 00:09	40m	-18 / -	<...>	- / -3	2	Partial capture
07-11 01:01	40m	-22 / -	EP2AES	- / -12	2	Partial capture
07-08 22:08	40m	-15 / -	EA5IY	- / -1	3	✓ Closing fragment
07-08 11:23	10m	- / +9	RN6MA	-11 / -	4	Partial capture
07-08 00:03	40m	-16 / -	SM5WXF	- / -10	2	Partial capture
07-08 00:02	40m	-14 / -	SQ5AKY	- / +1	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
151230 -21 1717  RV3IO F5IXN JN23
221730 -24 1579  RV3IO EA8DNB RR73
173130 -18  888  CQ RV3IO KO77                         a1
173245 -16  887  RV3IO PD3LKN JO22 (x3)
105900 -13  730  RV3IO RL3QGD R+00
021145 -21 1769  RV3IO UA3YPS RR73
022400 -24 1514  RV3IO RY4D RR73
023230 -23 1575  RV3IO EA5ISM -06
021700 -14 2145  RV3IO IU2VBP JN45 (x3)
031815 -16  981  TJ1GD RV3IO KO77 (x2)

40m

UTC    dB Audio  Message
165100  -6 1983  RV3IO R4CI -05
165115 -14  925  R4CI RV3IO R+10
165200 -24 1754  RV3IO R5GG KO92
165200 -11 1983  RV3IO R4CI 73
165215 -14  925  UA0QNE RV3IO -01 (x2)
165300 -15 2350  RV3IO BA5CW PM00
165345 -10  925  BA5CW RV3IO +06
165530 -16  920  RV3IO F1IQH JN27 (x2)
165615 -13  920  RA6MQ RV3IO R+02
165630 -11  920  RV3IO F1IQH JN27
165630  -4 2028  RV3IO RA6MQ RR73
165645  -9  920  RA6MQ RV3IO 73
165745  -8  920  R3KMI RV3IO KO77

10m

UTC    dB Audio  Message
120915 -15 2199  LA1HW RV3IO R+00 (x2)
083430 -23 1404  SX0W RV3IO R-07
084045 -13  710  RV3IO SX0W 73
112315  -3 1384  RV3IO RN6MA +09 (x2)
112415 -10 2732  RV3IO RZ6L KN97
112415 -12 1384  RV3IO RN6MA +09 (x2)
071430 -16 2209  RV3IO R6DOB KN95
072230 -18  855  RV3IO RA6ATZ KN96 (x2)
124315 -19 1978  RV3IO OZ5NJ JO45 (x3)

Decoder S/N history by band

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