RA3ZOM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO90

Receiver-side FT8 activity involving RA3ZOM, decoded by SO8OO in southeastern Poland. 4,143 related FT8 messages, 1,660 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 46 UTC dates. Heard between 2026-06-10 and 2026-08-16.

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

4,143

Related messages

1,660

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-06-10
Last seen: 2026-08-16 18:45 UTC

Frequent QSO partners observed at SO8OO

Stations RA3ZOM worked most often, as logged from our receiver:

R7CD · European Russia ×6 RA4ADF · European Russia ×5 RK3AQ · European Russia ×4 R2EA/P · European Russia ×4 RC6OD · European Russia ×4 R4SCQ · European Russia ×4 UN8DSW · Kazakhstan ×4 SV2AEL · Greece ×4 EW8AAC · Belarus ×4 RK6MC · European Russia ×3 9A4ZM · Croatia ×3 RA9CUU · Asiatic Russia ×3

Activity Heatmap

Locator transmitted by RA3ZOM

Approximate centre of KO90, decoded 2026-08-16 20:41 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	RA3ZOM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 20:43	80m	- / -	RA0SCA	-12 / -	4	Partial capture
08-16 20:41	80m	+2 / -5	4X1VE	-12 / +1	5	✓ Full exchange observed
08-16 20:40	80m	+4 / -17	JE6WOQ	-20 / -14	4	✓ Full exchange observed
08-16 20:38	80m	- / -	R8CW/4	-7 / -	3	✓ Closing fragment
08-16 20:37	80m	- / -	DK2CC	+3 / -	5	Partial capture
08-16 20:36	80m	+2 / +4	UA3LKM	-18 / -11	10	✓ Full exchange observed
08-16 20:33	80m	0 / -5	UA3XDR	-24 / 0	4	✓ Full exchange observed
08-16 20:25	40m	-9 / +1	RU4AJ	-2 / +10	7	✓ Full exchange observed
08-16 20:14	40m	-7 / -4	IK4IDY	-13 / -19	14	✓ Full exchange observed
08-16 20:13	40m	-7 / -	R3XG	- / -14	2	✓ Closing fragment
08-16 20:08	40m	-4 / -	SP5ROM	- / -14	3	✓ Closing fragment
08-16 20:06	40m	-6 / -5	PE1NAO	-21 / -13	8	✓ Full exchange observed
08-16 20:04	40m	-9 / -	EW8AAC	-21 / -10	4	✓ Closing observed
08-16 20:02	40m	-6 / -5	PE1NAO	-15 / -	3	Partial capture
08-16 19:59	40m	-8 / -9	HA8GJG	-10 / -16	9	✓ Full exchange observed
08-16 19:58	40m	-11 / +4	SV3AUW	-21 / -9	4	✓ Full exchange observed
08-16 19:56	40m	-10 / -2	9A5E	-8 / -4	5	✓ Full exchange observed
08-16 19:53	40m	-11 / -	YL3CW	- / -13	3	Partial capture
08-16 19:43	40m	-8 / -4	RX7KIR	-18 / -13	6	✓ Full exchange observed
08-16 19:41	40m	-9 / -	TA6MMI	- / -	2	✓ Closing fragment
08-16 19:40	40m	-8 / -	UA1PBD	- / -	2	Partial capture
08-16 19:36	40m	-11 / -	R3DFC	- / -4	3	✓ Closing fragment
08-16 16:42	40m	- / -	R6LS	-12 / -	3	✓ Closing fragment
08-14 19:00	40m	-8 / -	RY4ABB	-17 / 0	7	✓ Full exchange observed
08-14 18:59	40m	-8 / -	R2GCT	- / -11	2	✓ Closing fragment
08-14 18:57	40m	-10 / -	R6XW	- / -	2	Partial capture
08-14 18:56	40m	-10 / -	R4AFR	- / -8	2	✓ Closing fragment
08-12 18:11	80m	- / -3	RV9CX	-8 / -	3	Partial capture
08-12 18:05	80m	+3 / -	R6BH	-5 / -12	15	✓ Full exchange observed
08-12 18:02	80m	+2 / -12	SV8TCK	+8 / -15	7	✓ Full exchange observed
08-12 17:58	80m	- / +6	R1CAT	0 / -	4	✓ Closing fragment
08-12 17:57	80m	+3 / -3	RA3ZGT	-6 / -	4	✓ Closing observed
08-12 17:55	80m	-3 / -6	RD4AAK	-12 / -1	4	✓ Full exchange observed
08-12 17:53	80m	0 / -13	SV2AEL	+2 / +3	7	✓ Full exchange observed
08-12 17:53	80m	+4 / -2	OM3WBY	+12 / +2	4	✓ Full exchange observed
08-12 17:49	80m	0 / -13	UA4HBJ	-2 / -5	4	✓ Full exchange observed
08-12 17:45	80m	-4 / -10	R4NBV	-8 / -13	5	✓ Full exchange observed
08-12 17:43	80m	- / -	UA3IHJ	+1 / -	3	Partial capture
08-12 17:42	80m	- / -	OK1VKX	0 / -	2	Partial capture
08-12 17:42	80m	-2 / -3	RD7X	+1 / +2	4	✓ Full exchange observed
08-12 17:40	80m	-1 / +4	RA3QH	-15 / -10	4	✓ Full exchange observed
08-12 05:33	40m	- / -	DL6UM	-13 / -	5	Partial capture
08-12 05:32	40m	-21 / -	RC3LD	- / -3	2	Partial capture
08-11 16:53	40m	-19 / -	RY9W	- / -	10	Partial capture
08-11 16:48	40m	-16 / -	UA9LKL	- / -12	4	✓ Closing fragment
08-11 16:46	40m	-15 / -2	9A5E	-8 / -	11	Partial capture
08-11 16:31	40m	-13 / -	UA4AFY	- / -11	2	✓ Closing fragment
08-11 14:53	40m	-22 / -	HA1ZW	- / -9	3	✓ Closing fragment
08-11 14:34	40m	-22 / -	DL2HRT	-24 / -4	2	Partial capture
08-10 18:51	40m	-12 / -	RX3DRC	- / -9	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
203945  -5 1833  <RA3ZOM> R8CW/4 RR73
203945  +1 2131  RA3ZOM DK2CC JO63
204015 -19 1142  RA3ZOM JE6WOQ -17
204030  +5 1697  JE6WOQ RA3ZOM R-14
204045 -22 1141  RA3ZOM JE6WOQ RR73
204100  +3 1696  JE6WOQ RA3ZOM 73
204130  +2 1696  4X1VE RA3ZOM KO90
204145 -12 1597  RA3ZOM 4X1VE -05
204200  -1 1697  4X1VE RA3ZOM R+01
204215 -13 1597  RA3ZOM 4X1VE RR73
204230  +6 1697  4X1VE RA3ZOM 73
204315 -11  351  RA3ZOM RA0SCA OO06 (x4)

40m

UTC    dB Audio  Message
201730 -13 1143  RA3ZOM IK4IDY -04
201745  -7 1747  IK4IDY RA3ZOM R-19
201800 -15 1143  RA3ZOM IK4IDY RR73
201815  -7 1747  IK4IDY RA3ZOM R-19
201830 -13 1143  RA3ZOM IK4IDY RR73
201845  -6 1747  IK4IDY RA3ZOM R-19
202130  -8 1747  UB3DKH RA3ZOM KO90
202515  -9 1746  RU4AJ RA3ZOM KO90 (x4)
202700  -2  706  RA3ZOM RU4AJ +01
202715  -8 1746  RU4AJ RA3ZOM R+10 (x2)
202830 -14 2437  RA3ZOM RA3FD +09

20m

UTC    dB Audio  Message
150430  +1 3026  CQ RA3ZOM KO90 (x2)
150545  -3 3026  RA3ZOM EA2BHE IN83
150600  -1 3026  S52D RA3ZOM -10 (x2)
150645  -9 3027  RA3ZOM EA2BHE IN83
150700  -3 3026  S52D RA3ZOM -10
150745  -7 3027  RA3ZOM EA2BHE IN83
152400  +2 3021  CQ RA3ZOM KO90 (x2)
152445  -7 1112  RA3ZOM BI4XDT PM01
172145 -21 1576  RA3ZOM 9K2OK -18 (x2)
124315 -21 1333  RA3ZOM RW9WJ R-19 (x2)

10m

UTC    dB Audio  Message
143830 -19 1310  CQ RA3ZOM KO90 (x2)
144315 -11 1596  SV5BYP RA3ZOM 73
154400 -12  761  RA3ZOM SV2CLJ -15 (x2)
154400 -11 1291  RA3ZOM A71AH -16 (x3)
161300  -2  942  RA3ZOM RA1AOB KO59 (x4)
155815 -24 1636  IK3ABY RA3ZOM KO90
155830  -1 1637  RA3ZOM IK3ABY -13 (x2)

60m

UTC    dB Audio  Message
191000  -9 1464  CQ RA3ZOM KO90
191015  -7 1459  RA3ZOM 9A4ZM JN86
191030  -6 1463  9A4ZM RA3ZOM -06
191045  -6 1459  RA3ZOM 9A4ZM R-05
191100  -9 1463  9A4ZM RA3ZOM RR73
191115  -4 1459  RA3ZOM 9A4ZM 73
191130  -9 1463  CQ RA3ZOM KO90                        a1
191145  +6 2321  RA3ZOM 9A2AA -11
191200 -11 1463  9A2AA RA3ZOM R+01
191215  +5 2320  RA3ZOM 9A2AA RR73
191230  -8 1463  9A2AA RA3ZOM 73
191300  -8 1463  CQ RA3ZOM KO90 (x4)

Decoder S/N history by band

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