RM4HX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO53

Receiver-side FT8 activity involving RM4HX, decoded by SO8OO in southeastern Poland. 106 related FT8 messages, 6 CQ messages, observed on 40m, 20m, across 25 UTC dates. Heard between 2026-05-28 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

106

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-05-28
Last seen: 2026-08-24 02:06 UTC

Frequent QSO partners observed at SO8OO

Stations RM4HX worked most often, as logged from our receiver:

UB8CPH · Asiatic Russia ×2 R6OP · European Russia ×2 SV5BYP · Dodecanese RZ2H · European Russia F4FLF · France RZ1AS · European Russia OH2XO · Finland R2ASV · European Russia R1QF · European Russia RA3VMK · European Russia OK2CNI · Czech Republic UA3SAO · European Russia

Activity Heatmap

Locator transmitted by RM4HX

Approximate centre of LO53, decoded 2026-08-24 04:06 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	RM4HX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 04:05	20m	-7 / -	OK2CNI	-8 / +1	3	✓ Closing observed
08-24 04:02	20m	-4 / -	DL5CK	- / -20	2	Partial capture
08-24 04:00	20m	+1 / -	LZ2PAJ	- / -	3	✓ Closing fragment
08-20 03:01	20m	- / -15	XQ1KK	-5 / -	2	✓ Closing fragment
08-08 16:41	20m	- / -	TA3NK	-1 / -	9	Partial capture
08-07 03:39	20m	- / -10	CT3MD	-11 / -	3	✓ Closing fragment
07-29 03:20	40m	- / -5	RZ2H	-17 / -	2	✓ Closing fragment
07-29 03:06	40m	- / -6	R6OP	-4 / -	2	✓ Closing fragment
07-28 02:23	40m	- / -12	R7FT	-12 / -	2	✓ Closing fragment
07-27 03:48	20m	-8 / -	A71UN	- / -	2	Partial capture
07-24 07:26	20m	- / -	UI6O	-18 / -	2	Partial capture
07-22 16:46	40m	- / -14	RW6BT	-1 / -	3	✓ Closing fragment
07-18 04:06	20m	- / -10	UB8CPH	-8 / -	2	✓ Closing fragment
07-16 05:39	20m	- / -21	RA6BX	-10 / -	2	Partial capture
07-15 13:13	20m	- / -	DK7UY	-4 / -	4	Partial capture
07-15 03:35	20m	- / -6	SV5BYP	-17 / -	2	✓ Closing fragment
07-14 07:17	20m	- / +4	HB9ACA	-4 / -	4	✓ Closing fragment
07-13 04:12	20m	- / -7	UA3SAO	-16 / -	3	✓ Closing fragment
06-29 01:25	40m	- / -2	RM5F	-6 / -	3	✓ Closing fragment
06-29 01:24	40m	- / -14	RA6FRI	-2 / -	2	✓ Closing fragment
06-28 09:21	20m	- / -19	G4YLJ	-17 / -	3	✓ Closing fragment
06-28 06:46	20m	- / 0	IR0RPER	-7 / -	7	Partial capture
06-08 13:22	20m	-11 / -	RA3Y	- / -19	3	Partial capture
06-08 13:17	20m	- / 0	OH2XO	-12 / -	2	✓ Closing fragment
06-08 10:34	20m	- / -21	R1QF	+6 / -	2	✓ Closing fragment
06-08 10:26	20m	-5 / -	RA1ALA	- / -	5	Partial capture
06-08 10:25	20m	- / -	F4BYA	-8 / -	3	Partial capture
06-08 10:21	20m	-18 / -	RM9WN	- / -7	2	Partial capture
06-08 10:18	20m	-11 / -	M7KSV	- / -	2	Partial capture
06-08 09:37	20m	- / -24	F4FLF	-3 / -	3	✓ Closing fragment
06-08 09:32	20m	-10 / -	RA3VMK	- / -17	2	✓ Closing fragment
06-08 04:05	20m	-14 / -	R3OR	+2 / +1	2	✓ Closing observed
06-05 15:26	20m	+1 / -	PD4JVB	- / -13	3	✓ Closing fragment
06-05 15:18	20m	-3 / -	YO2LIM	- / -	3	Partial capture
06-05 08:27	20m	- / -6	IK4LZH	+17 / -	4	✓ Closing fragment
06-05 08:07	20m	-3 / -	DL5DQZ	- / -	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
030145  -4 2343  RM4HX XQ1KK -15 (x2)
060930  -9  412  LZ2CP RM4HX LO53
035430  -9  413  SV1AIN RM4HX LO53 (x2)
040000  -1  413  LZ2PAJ RM4HX LO53 (x3)
040200  +1  412  DL5CK RM4HX -20 (x2)
040415  -3  413  SP6FME RM4HX LO53
040530  -7  413  OK2CNI RM4HX R+01
040545  -8 2662  RM4HX OK2CNI RR73
040600  -7  413  OK2CNI RM4HX 73
040630 -13  413  CQ RM4HX LO53

40m

UTC    dB Audio  Message
012745  +2 2732  RM4HX IQ4JO JN63
013630 -11  800  RM4HX RZ1AS RR73
014345  -7  237  RM4HX SM7RHI -20
162230  -8  370  RM4HX RX3DQ RR73
162930 -11  775  RM4HX RC6OD -16
164615  -3  577  RM4HX RW6BT KN95 (x3)
034045  +1 2974  RM4HX R2ASV RR73
022330 -15 1801  RM4HX R7FT -12 (x2)
030630  -3 1052  RM4HX R6OP -06 (x2)
032030 -17 1184  RM4HX RZ2H -05 (x2)

Decoder S/N history by band

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