RA4UIV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO24

Receiver-side FT8 activity involving RA4UIV, decoded by SO8OO in southeastern Poland. 207 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-27 and 2026-08-24.

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

207

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-27
Last seen: 2026-08-24 04:28 UTC

Frequent QSO partners observed at SO8OO

Stations RA4UIV worked most often, as logged from our receiver:

R4UR · European Russia ×3 RA4CQW/P · European Russia ×3 LZ1ZF · Bulgaria ×3 R1BNG/P · European Russia ×2 R2AKN · European Russia ×2 R95WTA · Asiatic Russia ×2 UB3ADO/P · European Russia ×2 R2EA/P · European Russia ×2 UE6RU · European Russia ×2 UE6DR · European Russia ×2 RA3LBW · European Russia RC3C · European Russia

Activity Heatmap

Locator transmitted by RA4UIV

Approximate centre of LO24, decoded 2026-08-21 18:21 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	RA4UIV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 06:21	40m	- / -7	R2EA/P	-10 / -	2	✓ Closing fragment
08-23 17:24	80m	-6 / -	R6ZCE	-1 / 0	4	✓ Closing observed
08-23 16:00	40m	-19 / -	RL1I/P	- / -15	2	✓ Closing fragment
08-23 15:56	40m	-19 / -11	RA3SO	-6 / +10	3	✓ Full exchange observed
08-22 16:41	40m	-18 / -	R3DOE/P	- / -2	4	Partial capture
08-21 18:18	80m	-15 / -	UF4S/P	- / -	2	Partial capture
08-21 17:57	80m	-11 / -	UF4S/P	- / +7	6	Partial capture
08-21 17:39	40m	-7 / +9	RA4CQW/P	-2 / -2	5	✓ Full exchange observed
08-21 17:31	40m	-14 / -	RA4CQW/P	- / -13	4	Partial capture
08-21 15:41	40m	-22 / -	RA3SO	- / -24	2	Partial capture
08-21 15:39	40m	- / -6	UB3LBU	-3 / -	2	✓ Closing fragment
08-20 06:25	20m	- / -15	R6DOB/M	-3 / -	2	Partial capture
08-20 06:23	20m	+5 / -	<...>	- / +8	5	Partial capture
08-20 06:16	20m	-2 / -	UI6O	- / -11	10	✓ Closing fragment
08-19 18:14	80m	-12 / +3	RV3FF	-10 / -	4	✓ Full exchange observed
08-15 18:04	80m	-3 / -	RA1AUS/P	- / -8	5	Partial capture
08-08 05:58	20m	-15 / -	R6OP	-14 / -	4	✓ Closing observed
08-08 05:56	20m	-6 / -12	GB64MOD	-5 / +2	2	Partial capture
08-07 18:25	40m	-22 / -	F4GBW/P	-17 / -16	4	✓ Closing observed
08-07 17:57	40m	- / -2	PA2RO	-15 / -	3	✓ Closing fragment
08-06 18:35	80m	-7 / -	UB3ADO/P	- / -	7	Partial capture
08-01 19:38	80m	-6 / -	UB0SMX/P	- / -14	2	Partial capture
08-01 18:41	80m	-7 / -5	<...>	-10 / +4	2	Partial capture
08-01 18:32	80m	-14 / -1	R4FDD	-6 / +9	4	✓ Full exchange observed
08-01 18:23	80m	- / +2	R4FDD	-4 / -	2	Partial capture
08-01 18:22	80m	-5 / -	UB3ADO/P	- / -9	3	✓ Closing fragment
07-31 21:17	80m	-11 / -16	UB3ADO/P	-20 / -	3	✓ Closing observed
07-24 18:44	80m	- / +8	RA4CQW/P	-22 / -	2	✓ Closing fragment
07-23 06:22	20m	- / +9	R4DI	-14 / -	2	✓ Closing fragment
07-20 06:20	20m	-14 / -	R5AV	- / -	2	✓ Closing fragment
07-19 14:47	20m	-17 / -	R1QF/P	- / +6	4	✓ Closing fragment
07-15 13:33	20m	- / -	RL3K	-16 / -	5	Partial capture
07-15 13:33	20m	- / 0	LZ1ZF	-8 / -	2	✓ Closing fragment
07-12 18:47	80m	-23 / -	UB0SMX	- / -11	2	✓ Closing fragment
07-12 18:45	80m	-20 / -1	UA4QK	-8 / +2	6	✓ Full exchange observed
07-11 19:35	80m	-16 / -	R2UZ/1	- / +9	6	Partial capture
07-11 19:27	20m	-10 / -13	RU6UR	-7 / -1	6	✓ Full exchange observed
07-11 18:35	80m	-18 / -	RA4CQW/P	-24 / +4	4	✓ Closing observed
07-11 18:11	80m	-14 / -	RA1TR	- / -14	8	Partial capture
07-11 18:09	80m	-16 / -	RC3C	- / +1	2	✓ Closing fragment
07-11 17:59	80m	-16 / -2	R2AKN	-10 / +6	3	✓ Full exchange observed
07-11 17:41	80m	-17 / -	RL6ZZ	- / -8	3	✓ Closing fragment
07-11 17:39	80m	-16 / -	RM3ZK	-16 / +6	3	✓ Closing observed
07-11 16:12	40m	- / +3	RA6FCU	-11 / -	2	✓ Closing fragment
07-04 18:22	80m	-15 / -14	R90PNR	-9 / -	2	✓ Closing observed
07-03 18:36	80m	- / -22	YO4LUP	0 / -	3	✓ Closing fragment
07-03 18:35	80m	- / -3	RA3RPW	-9 / -	2	✓ Closing fragment
07-02 12:26	20m	-8 / -	RV3AUM	- / +6	5	Partial capture
07-02 12:22	20m	-13 / -	UI5A	- / -12	3	✓ Closing fragment
07-02 12:21	20m	-10 / -	R2DYC	- / -7	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
174030  -3  463  RA4UIV RA4CQW/P RR73
174245  -5  463  R2DRY RA4UIV RR73
164130 -19 1670  R3DOE/P RA4UIV -02 (x4)
155645 -19 1352  RA3SO RA4UIV +10
155800  -6 1542  RA4UIV RA3SO R-11 (x2)
155900 -21 1993  RA4UIV R5GG R-04
160015 -19 1352  RL1I/P RA4UIV -15 (x2)
062130 -10  936  RA4UIV R2EA/P R-07 (x2)
062815 -24 1353  RA4UIV <...> R-08

80m

UTC    dB Audio  Message
181530 -14 1904  RA4UIV RV3FF 73
175745 -16 1057  UF4S/P RA4UIV +07 (x10)
172445  -3 1113  R6ZCE RA4UIV +00 (x2)
172530  -1 1151  RA4UIV R6ZCE RR73
172545  -7 1112  R6ZCE RA4UIV RR73

20m

UTC    dB Audio  Message
061815  +1  920  UI6O RA4UIV LO24 (x7)
062315  +4 2479  <...> RA4UIV LO24 (x5)
062530  -2 2630  RA4UIV R6DOB/M R-15 (x2)
062630  -2 2630  RA4UIV RR73; RG4D <...> +04

10m

UTC    dB Audio  Message
074230  +4  426  RA4UIV RZ5D -14
065415 -11  595  C91RU RA4UIV LO24 (x2)
075145  -9 1355  RA4UIV UE6DR R-04 (x2)
080215 -17  855  <...> RA4UIV -11 (x3)
081900  +7 2459  RA4UIV UE6RU -15 (x2)
082730  +9 2458  RA4UIV RR73; IK4LZH <...> -16
152415 -10 1399  RA4UIV RA3AHN KO95 (x2)
152545 -17 2190  RA4UIV RV9CX +02 (x2)

Decoder S/N history by band

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