R4NBV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO56

Receiver-side FT8 activity involving R4NBV, decoded by SO8OO in southeastern Poland. 667 related FT8 messages, 10 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-05-16 and 2026-08-14.

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

667

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

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

First seen: 2026-05-16
Last seen: 2026-08-14 19:25 UTC

Frequent QSO partners observed at SO8OO

Stations R4NBV worked most often, as logged from our receiver:

UA1AEL · European Russia ×2 RA4CPA · European Russia ×2 PA2WCB · Netherlands ×2 R7NO · European Russia ×2 EA8UP · Canary Islands ×2 R2LAF/P · European Russia ×2 RZ2H · European Russia ×2 RC2DD · European Russia ×2 RA3LCI · European Russia ×2 UA4QK · European Russia ×2 RA3M · European Russia ×2 UB1Q · European Russia ×2

Activity Heatmap

Locator transmitted by R4NBV

Approximate centre of LO56, decoded 2026-08-14 21:24 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	R4NBV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-14 21:24	160m	-8 / -10	R6OU	-4 / -19	6	✓ Full exchange observed
08-14 21:13	160m	-13 / -3	RU3DBT	-18 / -11	4	✓ Full exchange observed
08-14 21:12	160m	- / -	DO3VE	+1 / -	3	Partial capture
08-14 21:11	160m	-12 / -	RU9F	- / -	3	Partial capture
08-14 21:06	160m	-8 / +5	UA3AKO	+9 / -4	7	✓ Full exchange observed
08-14 21:05	160m	-6 / -	OM2WQ	+10 / -20	4	✓ Closing observed
08-14 20:59	160m	-14 / -8	RA3VX	-10 / -12	5	✓ Full exchange observed
08-14 20:58	160m	-12 / -2	UA3FH	-20 / -14	4	✓ Full exchange observed
08-14 20:53	160m	- / -	HB9FUR	-12 / -	7	Partial capture
08-14 20:53	160m	-20 / -1	RA7T	0 / -12	4	✓ Full exchange observed
08-14 20:51	160m	- / -	IK0HBN	+9 / -	18	Partial capture
08-14 20:50	160m	-18 / +5	RA4CA	-2 / -7	5	✓ Full exchange observed
08-14 20:47	80m	-5 / +1	RU3SD	+8 / +3	6	✓ Full exchange observed
08-14 20:46	80m	- / -10	OE9GWV	-13 / -	4	Partial capture
08-14 20:44	80m	-6 / -14	G4YKQ	+1 / -16	8	✓ Full exchange observed
08-14 20:42	80m	- / -3	RZ4AT	+1 / -	2	✓ Closing fragment
08-14 20:39	80m	-1 / -	RN3YN	- / -	3	Partial capture
08-14 20:27	80m	-5 / -	RA3MT	-12 / -2	2	✓ Closing observed
08-14 20:24	160m	- / -	RA6YDX	-13 / -	3	Partial capture
08-14 20:23	160m	-12 / -	R3ZMM	-1 / -13	4	✓ Closing observed
08-14 20:23	160m	- / -	UA3LKM	-14 / -	8	Partial capture
08-14 20:14	160m	-12 / +1	R4RN	-4 / +1	4	✓ Full exchange observed
08-14 20:12	160m	-9 / -	RD9FC	- / -13	3	✓ Closing fragment
08-14 20:08	160m	-10 / -	R6TY	- / -18	2	✓ Closing fragment
08-14 20:08	160m	-10 / -7	UA1AEL	-5 / -5	7	✓ Full exchange observed
08-14 20:06	160m	-10 / 0	RA3LCI	-21 / -18	3	✓ Full exchange observed
08-14 20:05	160m	-14 / -	R0QBB/3	- / -22	2	Partial capture
08-14 20:00	160m	- / -	RA6YDX	-8 / -	2	Partial capture
08-14 19:59	160m	-8 / 0	R3UG	-10 / -8	2	Partial capture
08-14 19:57	160m	-8 / -2	RU4SO	-12 / +3	4	✓ Full exchange observed
08-14 19:55	160m	-12 / -19	UA3ZSI	-9 / -14	6	✓ Full exchange observed
08-14 19:55	160m	-9 / -	R1TAX	- / -13	2	✓ Closing fragment
08-14 19:54	160m	-12 / -	EU3A	+12 / -19	5	✓ Closing observed
08-14 19:52	160m	-12 / -5	YL3CW	-1 / -10	5	✓ Full exchange observed
08-14 19:51	160m	- / -12	UA3PY	-7 / -	2	✓ Closing fragment
08-14 19:49	160m	-16 / -6	R0QBB/3	-3 / -	5	Partial capture
08-14 19:43	160m	- / -9	RZ6CO	-14 / -	3	Partial capture
08-14 19:43	160m	- / -	RA6YDX	-4 / -	2	Partial capture
08-14 19:42	160m	-13 / -7	UB1Q	-16 / -	4	✓ Closing observed
08-14 19:38	160m	- / -6	R7NO	-1 / -	3	✓ Closing fragment
08-14 19:36	160m	-14 / -6	R7OF	-3 / -	3	✓ Closing observed
08-14 19:34	160m	- / -13	RZ6CO	-6 / -	4	Partial capture
08-14 19:30	160m	-15 / -10	RN1CW	-13 / -	4	✓ Closing observed
08-14 19:27	160m	- / -	RA6YDX	-17 / -	2	Partial capture
08-14 19:26	160m	-12 / +3	RU3T	-6 / -1	5	✓ Full exchange observed
08-14 19:18	160m	- / -	RA6YDX	-12 / -	2	Partial capture
08-14 19:18	160m	- / -10	RZ6CO	-4 / -	2	Partial capture
08-14 19:18	160m	- / -	RU3XU	-10 / -	2	Partial capture
08-14 19:17	160m	- / -7	RT2P	-4 / -	3	✓ Closing fragment
08-14 19:12	160m	- / -4	R2SN	-9 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
211315  +3  623  R4NBV DO3VE JO52
211345 -20 1602  R4NBV RU3DBT -03
211400 -15 2322  RU3DBT R4NBV R-11
211415 -16 1602  R4NBV RU3DBT RR73
211430 -11 2322  RU3DBT R4NBV 73
211600  -9 2322  RU9F R4NBV LO56 (x2)
212030  -6 2322  CQ R4NBV LO56 (x2)
212400  -9 2322  R6OU R4NBV LO56 (x2)
212445  -2 2320  R4NBV R6OU -10
212500  -9 2322  R6OU R4NBV R-19
212515  -5 2321  R4NBV R6OU RR73
212530  -9 2322  R6OU R4NBV 73

80m

UTC    dB Audio  Message
204500  -9 1953  G4YKQ R4NBV LO56
204515  +3 2747  R4NBV G4YKQ -14
204530  -5 1952  G4YKQ R4NBV R-16
204545  -2 2747  R4NBV G4YKQ RR73
204600  -5 1952  G4YKQ R4NBV 73
204615 -14 1450  R4NBV OE9GWV -10 (x2)
204700  +0 1952  RU3SD R4NBV LO56 (x2)
204745  +6 1003  R4NBV RU3SD +01
204800  -6 1952  RU3SD R4NBV R+03
204815  -9 1450  R4NBV OE9GWV -10
204815  +9 1003  R4NBV RU3SD RR73
204830  -9 1953  RU3SD R4NBV 73
204845 -21 1450  R4NBV OE9GWV -10

40m

UTC    dB Audio  Message
205745 -13 1056  R4NBV R2EA RR73
210215 -11 2600  R4NBV R2GFD R+04
210615  -3 2598  R4NBV G0DYW R-06 (x2)
211315 -11 2599  EA1AA R4NBV R-09
170215  -9 2603  R4NBV PE1NPS JO22
170300  -6  744  R4NBV EW4DX -05 (x2)
170430 -10 2427  R4NBV EV1R +02
174545  -4 2657  R4NBV R4UAS KO85
205615 -11 2709  R4NBV UB4CJV -12 (x4)
210215 -14 1233  R4NBV R3EDI RR73

10m

UTC    dB Audio  Message
201345  -7 2702  R4NBV PT2TD +03 (x2)
195830 -11 2110  R4NBV R4DI -07 (x3)
200300  -9 1106  R4NBV PY7XC -16 (x2)
193015 -11  667  R4NBV RA3LBW -04 (x2)
194045 -21 1595  R4NBV CT7AUT -25 (x2)
194900 -11 1214  R4NBV EA8UP -24 (x2)
195030  -9  682  R4NBV SV2CLJ -11 (x2)

20m

UTC    dB Audio  Message
043645  -9 2680  KE4EB R4NBV LO56
060900 -13 1026  R4NBV N8HRZ -14 (x2)
163945  -4 2900  R4NBV IU5HIU JN53 (x3)

60m

UTC    dB Audio  Message
175030 -16 2233  R4NBV PE1NPS JO22

Decoder S/N history by band

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