RK4HP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO43

Receiver-side FT8 activity involving RK4HP, decoded by SO8OO in southeastern Poland. 82 related FT8 messages, 14 CQ messages, observed on 40m, 20m, across 19 UTC dates. Heard between 2026-06-04 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

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-06-04
Last seen: 2026-08-24 01:13 UTC

Frequent QSO partners observed at SO8OO

Stations RK4HP worked most often, as logged from our receiver:

RM5F · European Russia OH0ERF · Aland Islands OJ0Z · Market Reef A92AE · Bahrain K2K · United States KB9ZM · United States R0ACR · Asiatic Russia 7Q5MP · Malawi N8TR · United States KP4OMR · Puerto Rico W2YR · United States CR7BRV · Portugal

Activity Heatmap

Locator transmitted by RK4HP

Approximate centre of LO43, decoded 2026-08-23 04:14 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	RK4HP S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 03:11	20m	- / -	DL1R	-7 / -	4	Partial capture
08-23 04:00	20m	+4 / -	DL1VCA	- / -1	2	Partial capture
08-23 03:46	20m	+3 / -	ZL1MHS	- / -	2	Partial capture
08-22 04:26	20m	0 / -	VK3JMA	- / -	5	Partial capture
08-21 16:33	20m	-8 / -	F4AAS/P	- / -	3	Partial capture
08-21 01:42	20m	- / +3	R0ACR	-14 / -	2	✓ Closing fragment
08-06 03:57	20m	-10 / -	OH0ERF	- / +1	2	✓ Closing fragment
08-06 03:26	20m	-15 / -	OH0ERF	- / -	3	Partial capture
08-04 13:40	20m	- / -	DL1R	-4 / -	9	Partial capture
07-23 13:51	20m	- / -	F4HSB	-20 / -	4	Partial capture
07-23 13:46	20m	- / -8	F1ODM	-16 / -	2	✓ Closing fragment
07-23 13:45	20m	- / -3	RU3QR	-13 / -	9	✓ Closing fragment
07-06 23:58	20m	- / -15	EA3GXK	-14 / -	2	Partial capture
07-03 02:43	20m	-16 / -6	K2K	-4 / -3	5	✓ Full exchange observed
06-23 03:51	20m	-22 / -	KB9ZM	-20 / -24	3	✓ Closing observed
06-23 03:33	20m	-22 / -	VP2MAA	- / -	2	Partial capture
06-22 02:41	20m	- / -10	WV2B	-15 / -	2	✓ Closing fragment
06-22 02:33	20m	-3 / -	ZF2OO	- / -	4	Partial capture
06-21 03:17	20m	-12 / -	W7JWT	- / -	2	Partial capture
06-21 03:07	20m	-14 / -	K2UU	- / -	3	Partial capture
06-19 02:57	20m	- / -7	A61CK	-6 / -	2	✓ Closing fragment
06-19 02:53	20m	- / -7	A92AE	-4 / -	2	✓ Closing fragment
06-19 02:42	20m	- / -15	TN8GD	-10 / -	2	✓ Closing fragment
06-19 02:40	20m	- / -4	7Q5MP	-12 / -	2	✓ Closing fragment
06-19 02:28	40m	- / -	EB2EMZ	-17 / -	2	Partial capture
06-19 02:24	40m	- / -	RM5F	-2 / -	2	✓ Closing fragment
06-18 02:03	40m	- / -	RM5F	+1 / -	3	Partial capture
06-18 02:02	40m	-20 / -11	CR7BRV	-3 / -13	3	✓ Full exchange observed
06-08 02:56	20m	-8 / +6	N8TR	+7 / -8	4	✓ Full exchange observed
06-07 03:23	20m	- / -15	9X5KM	0 / -	3	Partial capture
06-07 03:16	20m	- / -14	9X5KM	+2 / -	2	Partial capture
06-05 04:11	20m	-3 / -	NK7I	- / -	2	Partial capture
06-05 04:09	20m	0 / -20	W2YR	-5 / -14	4	✓ Full exchange observed
06-05 04:04	20m	+5 / -17	TI5RR	-6 / -15	8	✓ Full exchange observed
06-05 03:59	20m	+6 / -	W2YR	- / -	3	Partial capture
06-05 03:54	20m	+2 / -	W2YR	- / -	5	Partial capture
06-04 03:29	20m	-14 / -	CP7DX	- / -16	2	Partial capture
06-04 03:12	20m	-20 / -	OJ0Z	- / -18	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
042730  +3 1369  VK3JMA RK4HP LO43 (x3)
042900  +7 1368  HK4ZZ RK4HP LO43
034630  +8 1643  ZL1MHS RK4HP LO43 (x2)
035900  +5 1776  CQ RK4HP LO43 (x2)
040000  +5 1775  DL1VCA RK4HP -01 (x2)
041415  -2 1605  OA4DOS RK4HP LO43
031130  -7 2659  RK4HP DL1R JN58 (x4)

40m

UTC    dB Audio  Message
020215  -3  634  RK4HP CR7BRV -11
020230 -20 1704  CR7BRV RK4HP R-13
020245  -3  634  RK4HP CR7BRV RR73
020315  +1  699  RK4HP RM5F KO85 (x5)
022815 -18 1289  RK4HP EB2EMZ IN83 (x2)
180700 -14 1085  RK4HP R3XBS -17

Decoder S/N history by band

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