ON4JMV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO10

Receiver-side FT8 activity involving ON4JMV, decoded by SO8OO in southeastern Poland. 232 related FT8 messages, 28 CQ messages, observed on 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-05-24 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

232

Related messages

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-24
Last seen: 2026-08-15 05:22 UTC

Frequent QSO partners observed at SO8OO

Stations ON4JMV worked most often, as logged from our receiver:

DK4NB · Fed. Rep. of Germany ×2 YO4GIY · Romania ×2 SP2EWQ · Poland R0AX · Asiatic Russia RK3AW · European Russia Z61DX · Republic of Kosovo TA4INO · Asiatic Turkey EX7CQ · Kyrgyzstan ON9TT · Belgium HB9XBY · Switzerland SP9LS · Poland SV1CQN · Greece

Activity Heatmap

Locator transmitted by ON4JMV

Approximate centre of JO10, decoded 2026-08-17 09:52 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	ON4JMV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 07:24	20m	-10 / -	ON5TTT	- / -	18	Partial capture
08-15 07:21	20m	-9 / -5	TA2ANK	-14 / -9	5	✓ Full exchange observed
08-10 09:37	10m	-4 / -	EX7CQ	- / -2	5	✓ Closing fragment
08-09 09:22	20m	-6 / -	A61QQ	- / -14	4	✓ Closing fragment
08-09 09:14	20m	-9 / -	OE9NET	- / -13	5	✓ Closing fragment
08-09 09:06	20m	-11 / -	HB9XBY	- / -15	13	✓ Closing fragment
08-09 08:57	20m	-4 / -	OM8ATS	- / -17	3	✓ Closing fragment
08-09 08:55	20m	-7 / -	UX7QV	- / -13	4	✓ Closing fragment
08-09 08:51	20m	-10 / -	A71AT	- / -14	2	✓ Closing fragment
08-09 08:31	20m	-5 / -	YT2TOR	- / -	32	Partial capture
08-09 08:26	20m	-4 / -9	DL6MRM	-19 / -24	9	Partial capture
08-09 08:16	20m	-9 / -	DL1HXA	- / +2	16	Partial capture
08-09 08:13	20m	-11 / -	DM5KK	- / -15	2	Partial capture
08-09 08:06	20m	-15 / -14	YO3GNF	-10 / -12	15	✓ Full exchange observed
08-09 07:59	20m	-16 / -	YO3GNF	- / -	6	Partial capture
08-09 07:47	20m	-10 / -	YO6PPX	- / -	11	Partial capture
08-09 07:38	20m	-11 / -	A71XX	- / -	10	Partial capture
08-09 07:34	20m	-12 / -	DK3YB	- / -2	7	✓ Closing fragment
08-09 07:28	20m	-14 / -	A71XX	- / -	9	Partial capture
08-09 07:21	20m	-13 / -	OE1HLB	- / -7	8	Partial capture
08-09 07:18	20m	-19 / -	A71XX	- / -	3	Partial capture
08-09 07:16	20m	-16 / -	OE1HLB	- / -	2	Partial capture
07-29 09:49	20m	-16 / -	WB8UBR	- / -20	3	Partial capture
07-29 09:44	20m	-20 / -	G4RCV	- / -	2	Partial capture
07-29 09:35	20m	-1 / -	VK2HAK	- / -	5	Partial capture
07-29 09:29	20m	-5 / -	VK2HAK	- / -	5	Partial capture
07-27 14:23	20m	- / -6	F4MUD	-10 / -	3	✓ Closing fragment
07-27 14:17	20m	- / -	MW7RHR	-18 / -	2	Partial capture
07-26 17:03	40m	-17 / -	ON8AT	- / -	4	✓ Closing fragment
07-26 07:48	40m	- / -9	UT4PA	-10 / -	7	✓ Closing fragment
07-26 07:44	40m	- / -	UT4PA	-6 / -	2	Partial capture
07-26 07:25	20m	-9 / -	VK5RJ	- / -	6	Partial capture
07-26 07:13	20m	-8 / -	Z62NS	- / -	15	Partial capture
07-25 15:54	20m	-17 / -	FK8GU	- / -	2	Partial capture
07-25 15:51	20m	-14 / -	SA7KJE	- / -5	2	✓ Closing fragment
07-25 15:47	20m	-16 / -	JA1BJY	- / -16	3	✓ Closing fragment
07-25 15:41	20m	-9 / -	R4FDW	- / -15	2	✓ Closing fragment
07-25 15:41	20m	-11 / -	PD1DRE	- / +4	7	Partial capture
07-25 15:39	20m	-8 / -	9A5E	- / -	2	✓ Closing fragment
07-25 15:38	20m	-6 / -	DK4NB	- / 0	2	✓ Closing fragment
07-25 15:36	20m	-6 / -	R4CHN	- / -	5	Partial capture
07-25 15:34	20m	-5 / -11	R7MP	-16 / -	3	✓ Closing observed
07-25 15:31	20m	-16 / -	JK1KSB	- / -4	2	Partial capture
07-25 15:18	20m	-7 / +5	DK4NB	-21 / -8	5	✓ Full exchange observed
07-25 15:18	20m	- / -9	F4HSB	-20 / -	6	Partial capture
07-25 15:16	20m	-9 / -	OE3HLB	- / -7	4	✓ Closing fragment
07-25 15:14	20m	-4 / -	OE3PBS	- / -	2	✓ Closing fragment
07-25 15:12	20m	-6 / -	9A9TT	- / -	3	Partial capture
07-25 15:06	20m	- / -5	CN2DX	-4 / -	2	✓ Closing fragment
07-25 15:02	20m	-12 / -	GM3JIM	- / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
072715 -14 1097  ON5TTT ON4JMV JO10 (x14)
095230  -7 1098  M8XGX ON4JMV JO10

10m

UTC    dB Audio  Message
150630 -13 1083  WA2TMB ON4JMV JO10
150700 -11 1083  G0FWX ON4JMV JO10 (x6)
150945 -17 1937  ON4JMV G0FWX RR73
092445 -18 1122  G3AKA ON4JMV JO10
144545 -13  884  ON4JMV 5Z4VJ RR73
093745  -4 1113  EX7CQ ON4JMV JO10 (x5)

40m

UTC    dB Audio  Message
145900 -13 2134  ON4JMV DL9KM JN68
074415  -6 1035  ON4JMV UT4PA KO20 (x9)
082715 -11  771  ON4JMV OE6MDF -09
170345 -19 1044  ON8AT ON4JMV JO10 (x4)

Decoder S/N history by band

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