RD3MJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO00

Receiver-side FT8 activity involving RD3MJ, decoded by SO8OO in southeastern Poland. 174 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 31 UTC dates. Heard between 2026-05-30 and 2026-08-22.

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

174

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-30
Last seen: 2026-08-22 11:40 UTC

Frequent QSO partners observed at SO8OO

Stations RD3MJ worked most often, as logged from our receiver:

RY9C · Asiatic Russia ×2 RA4CQW/P · European Russia ×2 UA1RC · European Russia ×2 R7DX · European Russia ×2 R6AAF · European Russia R7IA · European Russia EW4DX · Belarus TA3XEE · Asiatic Turkey UA9ZZ · Asiatic Russia 8Q7PR · Maldives R3BDQ · European Russia UB4HVA · European Russia

Activity Heatmap

Locator transmitted by RD3MJ

Approximate centre of LO00, decoded 2026-08-23 14:37 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	RD3MJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 14:39	40m	-11 / -	UB4HVA	- / -	2	✓ Closing fragment
08-23 14:37	40m	-12 / -	R6AAF	- / -	3	✓ Closing fragment
08-22 19:48	80m	-13 / -	RA8AM	- / -	3	Partial capture
08-22 13:42	20m	+2 / -	R2AL	- / 0	2	Partial capture
08-22 13:40	20m	-4 / -	R7ZY	-5 / +5	3	✓ Closing observed
08-22 12:55	20m	-6 / -	RA9YTI	- / -	2	Partial capture
08-22 12:53	20m	-7 / -	<...>	- / +5	2	Partial capture
08-22 12:46	20m	-5 / -	<...>	- / -	2	Partial capture
08-21 19:01	40m	-2 / -	RU3XW	- / -	2	Partial capture
08-21 18:52	80m	- / -	1840	+4 / -	2	Partial capture
08-21 18:51	80m	- / -14	RY9C	+5 / -	2	✓ Closing fragment
08-21 17:33	40m	- / -	1840	-2 / -	2	Partial capture
08-21 17:30	40m	- / -	R1TET	-20 / -	3	Partial capture
08-21 17:30	40m	+8 / -3	RY9C	-1 / +9	7	✓ Full exchange observed
08-21 17:28	40m	+2 / -	R8CGO	-10 / +8	4	✓ Closing observed
08-21 17:27	40m	+3 / -10	R7IA	-9 / +7	5	✓ Full exchange observed
08-21 17:20	40m	+2 / -15	BA5CW	-8 / -12	4	Partial capture
08-21 17:19	40m	+2 / -1	SV2AEL	-14 / -2	5	Partial capture
08-21 17:17	40m	+4 / -	UA3DPM	+6 / +2	7	✓ Full exchange observed
08-21 17:16	40m	+6 / -	UA9YHA	- / -1	3	Partial capture
08-21 17:08	40m	+3 / -	R9JBZ	- / -6	4	Partial capture
08-18 11:55	20m	- / -	PE9JAN	-6 / -	2	Partial capture
08-16 17:50	80m	-24 / -1	R9CS/P	-8 / -	3	✓ Closing observed
08-16 17:48	80m	- / -7	UA3RMB	-17 / -	2	✓ Closing fragment
08-16 17:45	80m	- / -7	RC2DD	+2 / -	2	✓ Closing fragment
08-16 17:23	40m	-14 / -	RY0AAN/P	- / -8	3	Partial capture
08-16 17:11	40m	-13 / +1	R2ZCA	-24 / -	2	Partial capture
08-13 17:56	80m	-14 / -16	UA3WG	-20 / -	3	✓ Closing observed
08-11 08:08	20m	0 / -	<...>	- / +8	3	Partial capture
08-11 07:26	10m	- / +1	RW3VA	-20 / -	4	✓ Closing fragment
08-07 16:00	40m	- / -4	RA3ZOM	-10 / -	2	✓ Closing fragment
08-07 12:05	10m	-15 / -	R50RKZ	- / -3	3	✓ Closing fragment
08-03 16:52	40m	-13 / -1	<...>	-22 / -5	4	Partial capture
07-27 18:19	40m	-7 / -	R2BRD/1	- / -10	2	Partial capture
07-27 18:18	40m	- / -	HG8LXL	0 / -	2	Partial capture
07-27 18:16	40m	-10 / -	<...>	- / -8	2	Partial capture
07-27 18:13	40m	- / -	HG8LXL	+1 / -	3	Partial capture
07-27 18:10	40m	-7 / -	<...>	- / +2	3	Partial capture
07-27 18:08	40m	-6 / -	<...>	- / +3	2	Partial capture
07-24 06:06	20m	-17 / -	EW4DX	- / +7	2	✓ Closing fragment
07-24 06:04	20m	-15 / -	RA3PN	-18 / -	3	✓ Closing observed
07-24 06:03	20m	- / -4	R70OBN	-7 / -	3	✓ Closing fragment
07-23 18:21	40m	- / -5	S59A	-2 / -	5	Partial capture
07-23 18:20	40m	-5 / -	UB4CLH	- / +5	2	✓ Closing fragment
07-23 18:18	40m	-7 / -	RW0UM	- / -8	4	✓ Closing fragment
07-23 18:16	80m	- / -	R6ZEJ	-3 / -	3	Partial capture
07-23 18:13	80m	-14 / -3	UA3IHJ	+8 / +3	7	✓ Full exchange observed
07-23 18:09	80m	-17 / -3	RN3DDW/P	-6 / -8	7	✓ Full exchange observed
07-21 13:24	20m	-2 / -	RU3DNN	- / -	2	✓ Closing fragment
07-21 13:23	20m	0 / -	R1BEO	- / -11	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
173130 -18 1478  RD3MJ R1TET KO78
173145  -3 2260  RD3MJ RY9C -08 (x2)
173230  +9 2566  RY9C RD3MJ R+09
173245  -1 2259  RD3MJ RY9C RR73
173300  +7 2566  RY9C RD3MJ 73
173315  -3 2260  RD3MJ 1840 (x2)
190115  -3 2470  RU3XW RD3MJ LO00 (x2)
143700 -13 2437  R6AAF RD3MJ LO00 (x3)
143930 -11 2437  UB4HVA RD3MJ +11 (x2)

80m

UTC    dB Audio  Message
175730 -24 1934  RD3MJ UA3WG RR73
174530  +6  739  RD3MJ RC2DD -07 (x2)
174800 -17  895  RD3MJ UA3RMB -07 (x2)
175030 -24 1701  R9CS/P RD3MJ LO00
175045  -6 2402  RD3MJ R9CS/P -01 (x2)
185130  +5  672  RD3MJ RY9C -14 (x2)
185230  +5  672  RD3MJ 1840 (x2)
194815 -17 2062  RA8AM RD3MJ LO00 (x3)

20m

UTC    dB Audio  Message
115500  -6 2176  RD3MJ PE9JAN JO22 (x2)
124615  -3 2605  <...> RD3MJ LO00 (x4)
125515  -5 2603  RA9YTI RD3MJ LO00 (x2)
133815  -6 2677  UF4S/P RD3MJ LO00
134030  -4 2601  R7ZY RD3MJ R+05
134045  -5 2275  RD3MJ R7ZY RR73
134100  -5 2601  R7ZY RD3MJ 73
134230  +2 2601  R2AL RD3MJ +00 (x2)
134430  -1 2600  R9FGJ RD3MJ -16

10m

UTC    dB Audio  Message
073830 -18 2303  R6FX RD3MJ RR73
073845  -9 2304  RD3MJ R6FX 73
164715 -21 2060  R9FF RD3MJ -03
075845 -21 2280  7Q5BM RD3MJ LO00
120545 -15 2489  R50RKZ RD3MJ LO00 (x3)
072400 -18 2218  RD3MJ UA4FKT LO23
072600 -12 1675  RD3MJ RW3VA LO06 (x4)
073600 -10 2284  RD3MJ R3DMS RR73
102000 -11 1029  RD3MJ <...> -02
102030 -12 1029  RD3MJ RR73; RM2P <...> -06

Decoder S/N history by band

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