R3RB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO03

Receiver-side FT8 activity involving R3RB, decoded by SO8OO in southeastern Poland. 798 related FT8 messages, 397 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 48 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

798

Related messages

397

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-28
Last seen: 2026-08-23 17:04 UTC

Frequent QSO partners observed at SO8OO

Stations R3RB worked most often, as logged from our receiver:

RA3ZOM · European Russia ×3 R70OBN · European Russia ×3 R1CF/P · European Russia ×2 RA3LJ · European Russia ×2 RT2P · European Russia ×2 UB3LBU · European Russia ×2 R2APC · European Russia ×2 R4FDD · European Russia ×2 OG1AO · Finland ×2 BI4JGQ · China PT2ND · Brazil UA4NCX · European Russia

Activity Heatmap

Locator transmitted by R3RB

Approximate centre of LO03, decoded 2026-08-23 19:04 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	R3RB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:04	40m	- / +7	R2ZJJ/M	-18 / -	2	Partial capture
08-23 19:02	40m	-12 / +2	R3GV	+11 / -	7	✓ Full exchange observed
08-22 18:38	80m	+2 / -	R4FED	-4 / +1	4	✓ Full exchange observed
08-22 18:37	80m	- / +1	UF4S/P	-4 / -	2	✓ Closing fragment
08-22 18:34	80m	-11 / -	RW9H/M	- / -15	3	Partial capture
08-22 17:57	40m	-13 / -	R1530IG	- / -	4	Partial capture
08-22 17:51	40m	-9 / -	R1530IG	- / -	5	Partial capture
08-22 17:43	40m	-11 / +1	UA4SN	-13 / +6	7	✓ Full exchange observed
08-22 17:38	80m	-12 / +2	RL3F	-18 / +8	5	✓ Full exchange observed
08-22 17:34	40m	-12 / -	R1530IG	- / 0	4	Partial capture
08-22 17:26	160m	- / -15	RY3D	-12 / -	3	✓ Closing fragment
08-22 17:20	80m	-10 / 0	RK6MC	-9 / 0	5	✓ Full exchange observed
08-22 17:18	80m	-11 / +10	R5ACQ	-7 / -	5	✓ Full exchange observed
08-22 17:16	80m	-12 / 0	RY9C	-4 / +4	4	✓ Full exchange observed
08-22 17:10	80m	-17 / -	RY9C	- / -	4	Partial capture
08-22 17:07	80m	-11 / -	UA0ACZ	- / -16	5	✓ Closing fragment
08-22 17:05	80m	-9 / -	RK6ADN	-19 / -2	4	✓ Closing observed
08-22 17:02	80m	-10 / -	RV6LVO	- / -4	6	✓ Closing fragment
08-22 16:59	80m	-12 / -	RV9WB	- / -1	6	✓ Closing fragment
08-22 16:34	40m	-12 / -	UF4S/P	- / -	10	Partial capture
08-22 16:32	40m	-13 / -	<...>	- / -18	2	Partial capture
08-22 02:40	40m	- / -3	F5SJC	-11 / -	3	✓ Closing fragment
08-22 02:35	40m	-16 / -	K9EL	- / -	7	Partial capture
08-22 02:29	40m	-17 / -	K9EL	- / -	4	Partial capture
08-22 02:26	40m	-18 / -	WE0D	- / -	2	Partial capture
08-22 02:20	40m	-19 / -	HI3JMS	- / -	6	Partial capture
08-22 02:18	40m	-14 / -	CE2SQE	- / -	2	Partial capture
08-22 02:17	40m	-16 / -16	NB2P	-5 / -1	4	✓ Full exchange observed
08-22 02:15	40m	-14 / -10	WK1O	+9 / +3	5	✓ Full exchange observed
08-22 02:12	40m	-11 / -13	EB2EMZ	-13 / -16	6	Partial capture
08-22 02:04	80m	+1 / -	TF3VS	- / -	11	Partial capture
08-21 16:36	40m	-16 / +2	R4PFY	-13 / +2	2	Partial capture
08-21 16:32	40m	-14 / -	XU7O	- / -	2	Partial capture
08-20 17:11	80m	- / -	S53V	-6 / -	2	Partial capture
08-20 16:54	80m	-10 / +3	RC1TF	-16 / -2	7	✓ Full exchange observed
08-18 17:04	80m	-7 / -	RA9YTI	- / -12	7	✓ Closing fragment
08-18 03:06	80m	-11 / -	EW6Z	-16 / -7	18	Partial capture
08-18 03:02	80m	-11 / -	RJ6ON	- / +4	2	✓ Closing fragment
08-18 02:43	80m	-4 / -	SV8GXC	-16 / -17	4	✓ Closing observed
08-18 02:39	80m	-10 / -	PT2TD	- / -	7	Partial capture
08-18 02:33	80m	-12 / -	CX6TU	- / -	6	Partial capture
08-18 02:31	80m	-4 / -	PT2TD	- / -	4	Partial capture
08-18 02:26	80m	-1 / -12	DO1OAS	-11 / -16	4	✓ Full exchange observed
08-18 02:21	80m	-3 / -19	<...>	-7 / -13	5	Partial capture
08-18 02:16	80m	-2 / -	PT2TD	- / -	6	Partial capture
08-18 02:10	80m	-2 / -	VE1PZ	- / -	8	Partial capture
08-18 02:09	80m	-2 / -3	OG1AO	-3 / -4	4	✓ Full exchange observed
08-18 02:01	80m	+2 / -	PT2ND	-24 / -18	4	✓ Closing observed
08-18 01:58	80m	0 / -	CX6TU	- / -	17	Partial capture
08-18 01:56	80m	+3 / -	LU7DYL	- / -	5	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
175345  -9 1940  <RV3DCM/1> R3RB LO03
175445 -11 1939  R1530IG R3RB LO03 (x5)
190200 -13 1465  R3GV R3RB LO03
190215 +10 2633  R3RB R3GV +02
190230 -13 1466  R3GV R3RB R+11
190245 +12 2633  R3RB R3GV RR73
190300 -10 1466  R3GV R3RB 73 (x3)
190415 -18 2274  R3RB R2ZJJ/M +07 (x2)

80m

UTC    dB Audio  Message
173845 -15 1702  RL3F R3RB R+08
173900 -18 1768  R3RB RL3F RR73
173915 -12 1704  RL3F R3RB 73
180345  +3 1905  II7MGXX R3RB LO03
180415  +2 1905  <R1530IG> R3RB LO03
183415 -23 1753  <RW9H/M> R3RB LO03 (x3)
183700  -5 1058  R3RB UF4S/P +01 (x2)
183800  -9 1156  R3RB R1BED -04
183815  +3 1753  R4FED R3RB LO03
183830  -8  602  R3RB R4FED +19
183845  +2 1753  R4FED R3RB R+01
183900  +1  602  R3RB R4FED RR73

160m

UTC    dB Audio  Message
190215 -16 1069  R3RB RN7T RR73
191115  -8 2191  R3RB RY6AAY -22 (x3)
192300 -10 2293  R3RB RD7O -16 (x2)
192045 -17 1998  R3RB UA3FH KO85 (x2)
192445  +2  447  R3RB R8FB LO87 (x3)
172500 -19 1276  R3RB RX3PX -07
172600 -13 2405  R3RB RY3D KO95 (x3)

20m

UTC    dB Audio  Message
084415 -14 1797  HI8UD R3RB LO03 (x3)
084915 -18 1797  RW0IM R3RB LO03
084945 -17 1798  HI8UD R3RB LO03 (x11)

10m

UTC    dB Audio  Message
164645 -24 1768  R3RB R6YBU -1

Decoder S/N history by band

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