RA4CBN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO42

Receiver-side FT8 activity involving RA4CBN, decoded by SO8OO in southeastern Poland. 65 related FT8 messages, 4 CQ messages, observed on 80m, 40m, 20m, across 16 UTC dates. Heard between 2026-05-18 and 2026-08-15.

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

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-18
Last seen: 2026-08-15 05:17 UTC

Frequent QSO partners observed at SO8OO

Stations RA4CBN worked most often, as logged from our receiver:

R1CF/P · European Russia SV2AEL · Greece R9UBE · Asiatic Russia JG3TRB · Japan R4CBQ · European Russia VR2VAZ · Hong Kong RV3SBS/P · European Russia RD0B/P · Asiatic Russia R7BI · European Russia R50RKZ · European Russia OE7MAH · Austria R4NBV · European Russia

Activity Heatmap

Locator transmitted by RA4CBN

Approximate centre of LO42, decoded 2026-08-15 07:19 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	RA4CBN S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 07:18	20m	-14 / -	R0SDM/P	- / -	2	Partial capture
08-15 06:00	20m	-18 / -	R0SDM/P	- / -	3	Partial capture
08-15 05:33	20m	-9 / -	R0SDM/P	- / -	3	Partial capture
08-15 05:20	20m	-10 / -	R0SDM/P	- / -	2	Partial capture
08-12 18:20	80m	-12 / -1	R4NBV	-14 / +8	5	✓ Full exchange observed
08-12 18:20	80m	-14 / -2	R6BH	-11 / -1	10	Partial capture
08-12 18:18	80m	-7 / -	R4CBQ	- / -6	2	✓ Closing fragment
08-12 18:16	80m	-5 / -15	JG3TRB	-12 / -19	9	✓ Full exchange observed
08-12 18:15	80m	-6 / -5	RA3TSK	-18 / -	4	✓ Closing observed
08-12 18:13	80m	-3 / 0	RU4SS	-11 / +9	5	✓ Full exchange observed
08-12 18:12	80m	0 / +10	R8CKD	-16 / -2	5	✓ Full exchange observed
08-12 18:11	80m	0 / -20	SV2AEL	+7 / -9	5	✓ Full exchange observed
08-12 18:08	80m	-5 / -	RV3SBS/P	- / -14	3	✓ Closing fragment
08-12 06:21	20m	- / -	DB7GE	-11 / -	4	Partial capture
08-06 11:53	20m	-20 / -	R50RKZ	-4 / +2	6	✓ Closing observed
08-05 18:04	80m	-12 / -1	<...>	-8 / 0	3	Partial capture
08-05 17:51	40m	-24 / -	<...>	- / -	2	Partial capture
08-05 17:28	40m	-18 / -	<...>	- / -	4	Partial capture
07-25 19:35	40m	-18 / -	RY3ACJ	- / -1	2	✓ Closing fragment
07-12 18:22	80m	-21 / -2	UA4QK	-16 / -	3	✓ Closing observed
07-11 20:18	80m	-11 / -4	R7BI	+2 / +2	5	✓ Full exchange observed
07-11 20:15	80m	-12 / -	<...>	- / -1	2	Partial capture
06-23 04:42	20m	-12 / -	<...>	- / -	2	Partial capture
06-22 19:05	40m	-20 / -2	R6DJR	-20 / -	3	✓ Closing observed
06-13 16:50	40m	- / -	EU2ABM	-14 / -	3	Partial capture
06-11 09:11	20m	+10 / -5	OE7MAH	-14 / -22	3	✓ Full exchange observed
06-11 09:09	20m	-4 / -20	EA1IOK	-10 / -19	3	Partial capture
06-11 09:07	20m	0 / -	<...>	- / +6	3	Partial capture
06-10 04:11	40m	- / -4	RM5F	-13 / -	3	✓ Closing fragment
06-07 17:14	40m	- / -6	EW4DX	+13 / -	2	Partial capture
06-05 18:23	80m	-14 / +3	R1CF/P	-22 / -10	5	✓ Full exchange observed
06-04 05:28	40m	- / -18	YO9PH	-2 / -	2	Partial capture
06-01 05:48	20m	- / -18	RZ4AZ	-11 / -	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
062230  -8 2044  RA4CBN DB7GE JN39
050115  -5 2903  R0SDM/P RA4CBN LO42 (x11)
071700 -14  857  CQ RA4CBN LO42
071830 -16  858  R0SDM/P RA4CBN LO42 (x2)

80m

UTC    dB Audio  Message
182000 -16 2415  RA4CBN R4NBV LO56
182000  -9 1825  RA4CBN R6BH KN84
182015  -7 1196  R4NBV RA4CBN +08
182030 -20 2415  RA4CBN R4NBV R-01
182030 -13 1826  RA4CBN R6BH KN84
182045 -17 1196  R4NBV RA4CBN RR73
182100  -4 1825  RA4CBN R6BH KN84
182100  -7 2415  RA4CBN R4NBV 73
182115 -10 1196  R6BH RA4CBN -01
182300 -14 1826  RA4CBN R6BH -02 (x2)
182345 -17 1196  R6BH RA4CBN R-01
182400  -9 1825  RA4CBN R6BH -02
182415 -14 1196  R6BH RA4CBN R-01
182430 -16 1826  RA4CBN R6BH -02

40m

UTC    dB Audio  Message
190400 -19 1513  PA3AGN RA4CBN RR73
190515 -19 1508  RA4CBN R6DJR -02 (x2)
190600 -20 1512  R6DJR RA4CBN 73
162800 -20 1261  R4UAS RA4CBN RR73
193500 -17 1483  RY3ACJ RA4CBN R-01 (x2)
174245 -20 1285  <...> RA4CBN LO42 (x8)

Decoder S/N history by band

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