R4HLM — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving R4HLM, decoded by SO8OO in southeastern Poland. 981 related FT8 messages, 135 CQ messages, observed on 80m, 40m, 20m, 10m, across 45 UTC dates. Heard between 2026-05-30 and 2026-08-23.

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

981

Related messages

135

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-30
Last seen: 2026-08-23 16:28 UTC

Frequent QSO partners observed at SO8OO

Stations R4HLM worked most often, as logged from our receiver:

IK4LZH · Italy ×6 HG8LXL · Hungary ×3 E70SZ · Bosnia-Herzegovina ×3 RZ6L · European Russia ×2 R2PT · European Russia ×2 OH5KNL · Finland ×2 IW4EGP · Italy ×2 SP7TF · Poland ×2 OM1II · Slovak Republic ×2 RW3ZR · European Russia ×2 UA3RBM · European Russia ×2 DH1BAS · Fed. Rep. of Germany ×2

Activity Heatmap

Locator transmitted by R4HLM

Approximate centre of LO53, decoded 2026-08-23 18:28 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	R4HLM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 18:26	40m	-10 / -	RU3BF	- / +8	2	✓ Closing fragment
08-23 18:24	40m	- / -	SV8GXC	-11 / -	9	Partial capture
08-23 18:24	40m	-10 / -	UA1ZQN	- / -9	2	✓ Closing fragment
08-23 11:39	20m	- / -	F4BYA	+6 / -	4	Partial capture
08-22 19:06	20m	-5 / -16	PD0U	-14 / -18	3	✓ Full exchange observed
08-22 19:03	20m	-2 / -2	EB3JT	0 / -10	5	✓ Full exchange observed
08-22 18:57	80m	-8 / -14	LB6LK	-5 / -18	6	✓ Full exchange observed
08-22 18:51	80m	- / -13	9A3EYA	+1 / -	3	✓ Closing fragment
08-22 18:47	80m	- / -6	RV3F	-6 / -	3	✓ Closing fragment
08-22 18:47	80m	- / -15	UA6EU	-16 / -	3	✓ Closing fragment
08-22 18:41	80m	-12 / -	R5GG	- / -19	2	✓ Closing fragment
08-22 18:39	80m	-14 / -15	9A3K	+10 / -16	11	✓ Full exchange observed
08-21 20:28	80m	-16 / -3	RY3F	+5 / -	3	✓ Closing observed
08-21 20:27	80m	- / -11	SP2OSP	+8 / -	2	✓ Closing fragment
08-21 20:26	80m	-8 / -	R8LCI	- / -4	2	✓ Closing fragment
08-21 20:24	80m	- / -14	RA3YDA	-6 / -	2	✓ Closing fragment
08-21 20:10	40m	- / -	G6MTI	-11 / -	2	Partial capture
08-21 20:10	40m	- / -15	9A1CCB	-1 / -	3	✓ Closing fragment
08-21 20:10	40m	-14 / -	IK4LZH	+1 / -16	5	Partial capture
08-19 19:18	40m	- / -	DL2BU	-12 / -	2	Partial capture
08-19 19:16	80m	- / -15	R2DYN	-7 / -	4	✓ Closing fragment
08-19 19:13	80m	-14 / -	SV1QEW	- / -18	2	✓ Closing fragment
08-19 19:12	80m	-14 / -	RQ3D	- / -7	2	✓ Closing fragment
08-19 19:10	80m	-14 / -9	SV1EKI	-11 / -17	5	✓ Full exchange observed
08-18 18:41	80m	- / -	JG3TRB	-20 / -	2	Partial capture
08-18 18:10	40m	-22 / -16	PE1NAO	-21 / -17	2	Partial capture
08-18 18:10	40m	- / -	DL6UM	-12 / -	2	Partial capture
08-18 18:06	40m	-14 / -3	DL3JHK	-9 / -16	7	✓ Full exchange observed
08-18 11:26	20m	- / -9	IK4LZH	-2 / -	3	✓ Closing fragment
08-17 19:48	40m	-21 / -20	PD0HLA	-18 / +2	2	Partial capture
08-17 19:47	40m	-22 / -18	DL2VN	-14 / -12	7	Partial capture
08-17 19:46	40m	- / -15	UB6ZDJ	-12 / -	2	✓ Closing fragment
08-17 19:27	80m	- / -5	R5ACQ	-1 / -	3	✓ Closing fragment
08-16 19:58	80m	- / -16	SV9MBH	-20 / -	2	✓ Closing fragment
08-16 19:06	80m	-15 / -	RQ3D	- / -14	2	Partial capture
08-16 19:05	80m	-13 / -5	RW3ZR	-7 / -	4	✓ Closing observed
08-16 19:03	80m	-16 / -	RA4FHO	- / +6	2	✓ Closing fragment
08-16 19:00	80m	-19 / -4	R4HLG	-14 / +4	4	✓ Full exchange observed
08-16 18:54	40m	- / -3	RW3ZR	-13 / -	2	✓ Closing fragment
08-14 18:58	40m	-12 / +2	R2OM	-13 / -12	4	✓ Full exchange observed
08-14 18:56	40m	-8 / -	GM0SDV	- / -16	2	✓ Closing fragment
08-14 18:55	40m	-11 / -	SA5CDO	- / -10	2	✓ Closing fragment
08-14 18:50	80m	- / -16	E77EA	0 / -	3	✓ Closing fragment
08-14 18:48	80m	-7 / -	R6ML	+5 / -8	3	✓ Closing observed
08-14 18:47	80m	- / -	DO5UH/P	+6 / -	5	Partial capture
08-12 18:45	80m	- / -19	E70SZ	-3 / -	3	✓ Closing fragment
08-12 18:42	80m	- / -	RU4SS	-20 / -	2	Partial capture
08-12 18:41	80m	- / -15	R4ABW	-14 / -	5	✓ Closing fragment
08-12 18:39	80m	- / -10	R6BH	-6 / -	3	Partial capture
08-12 18:37	80m	- / -14	RC6OU	+2 / -	7	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
182430 -10 2447  UA1ZQN R4HLM RR73
182430 -11 1856  R4HLM SV8GXC KM38
182500  -7 2446  CQ R4HLM LO53
182500 -10 1857  R4HLM SV8GXC KM38
182530  -7 2446  CQ R4HLM LO53
182530 -11 1857  R4HLM SV8GXC KM38 (x2)
182600  -9 2446  RU3BF R4HLM +08 (x2)
182630 -10 1856  R4HLM SV8GXC KM38
182700 -10 2446  CQ R4HLM LO53
182700 -11 1857  R4HLM SV8GXC KM38
182800  -8 2445  CQ R4HLM LO53
182800 -10 1857  R4HLM SV8GXC KM38 (x2)

20m

UTC    dB Audio  Message
190415  -1 1240  R4HLM EB3JT R-02
190430  -2 1241  EB3JT R4HLM RR73
190445  +3 1240  R4HLM EB3JT 73
190500  -9 1240  CQ R4HLM LO53 (x2)
190600  -8 1240  PD0U R4HLM -18
190615 -14 1242  R4HLM PD0U R-16
190630  -2 1239  PD0U R4HLM RR73
190700  -6 1239  CQ R4HLM LO53 (x3)
113915 +10 2864  R4HLM F4BYA JN19 (x4)

80m

UTC    dB Audio  Message
184815  -2 2163  R4HLM RV3F 73
184915 -15  999  R4HLM UA6EU R-15 (x2)
185115  +4 1888  R4HLM 9A3EYA JN86 (x3)
185415  -5 2162  R4HLM R3WBG R-04
185700 -12  737  LB6LK R4HLM LO53
185715  -4  737  R4HLM LB6LK -14
185730  -4  738  LB6LK R4HLM R-18
185745  -6  737  R4HLM LB6LK RR73
185800  -8  738  LB6LK R4HLM R-18
185815  -6  737  R4HLM LB6LK RR73
190130 -17 1351  LY2CK R4HLM LO53
190145 -19 1687  R4HLM UA3LKM R-15

10m

UTC    dB Audio  Message
085845 -12 1408  R4HLM R7DX 73
090145 -19 2183  R4HLM UB3YGA KO62
090145 -10  992  R4HLM RC5F KO85
090145  -7 2593  R4HLM RQ7O KN98
090215  -4  992  R4HLM RC5F KO85 (x4)
090415 -20 1859  R4HLM UR6LTD KN89
090915 -24 1718  R4HLM RN3H +00
092100 -13 2253  R4HLM RU3GF RR73
092330 -10 2250  R4HLM RZ6LY +02
092400  -5 2738  R4HLM RZ6L KN97 (x3)

Decoder S/N history by band

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