K4RWM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM71

Receiver-side FT8 activity involving K4RWM, decoded by SO8OO in southeastern Poland. 61 related FT8 messages, observed on 40m, 20m, across 5 UTC dates. Heard between 2026-06-06 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

Related messages

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

20m 40m

First seen: 2026-06-06
Last seen: 2026-08-22 22:13 UTC

Frequent QSO partners observed at SO8OO

Stations K4RWM worked most often, as logged from our receiver:

YO4NF · Romania N1JSS · United States KD2TC · United States EC3A · Spain AB2RR · United States KD2ST · United States DL2AX · Fed. Rep. of Germany SV1CNS · Greece 5Z4VJ · Kenya F4FLF · France HB9EXE · Switzerland

Activity Heatmap

Locator transmitted by K4RWM

Approximate centre of EM71, decoded 2026-08-23 00:31 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	K4RWM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 00:13	20m	-11 / -	AC1OR	-22 / -7	2	Partial capture
08-23 00:09	20m	-11 / -16	YO4NF	+16 / -	3	✓ Closing observed
08-23 00:06	20m	-10 / +1	5Z4VJ	-12 / -9	4	✓ Full exchange observed
08-22 23:52	20m	- / -18	PD0RCQ	+5 / -	3	Partial capture
08-22 23:50	20m	- / -15	YO4NF	+11 / -	2	Partial capture
08-22 23:48	20m	- / -10	DL2AX	+6 / -	5	✓ Closing fragment
08-22 23:44	20m	- / -10	SV1CNS	-7 / -	4	✓ Closing fragment
08-22 23:41	20m	-17 / -21	HB9EXE	0 / -	4	✓ Closing observed
08-22 23:40	20m	- / -	DL2AX	-2 / -	3	Partial capture
08-22 23:38	20m	- / -	N2SCJ	-15 / -	4	Partial capture
08-22 23:34	20m	- / -	SP6AXW	-10 / -	2	Partial capture
08-14 21:07	20m	- / -16	EC3A	-2 / -	2	✓ Closing fragment
08-10 23:08	20m	- / -	IW2MYH	-17 / -	3	Partial capture
08-10 23:08	20m	- / -12	YO4NF	-8 / -	2	Partial capture
08-10 22:57	20m	- / -18	YO4NF	-4 / -	2	Partial capture
08-10 22:40	20m	- / -	DL1R	-1 / -	8	Partial capture
06-07 01:03	40m	- / -6	F4FLF	-4 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
235430 -19 1486  K4RWM KJ4KFJ EN74
235445  +0 2876  K4RWM PD0RCQ R-18
000645 -12 2784  5Z4VJ K4RWM -09
000700 -15  969  K4RWM 5Z4VJ R+01
000715  -9 2784  5Z4VJ K4RWM RR73
000730  -9  969  K4RWM 5Z4VJ 73
000915 -11 2784  AB2RR K4RWM RR73
000930 +18 2784  K4RWM YO4NF -16 (x2)
001015 -11 2784  YO4NF K4RWM 73
001045 -12 2784  IN3LHF K4RWM R-19
001300 -22 2022  K4RWM AC1OR FN41
001315 -11 2784  AC1OR K4RWM -07
001415  -8 2784  7U5TPS K4RWM -23
003130  -7 2840  WD8OQS K4RWM EM71

40m

UTC    dB Audio  Message
010300  -3 2381  K4RWM F4FLF JN18 (x4)

Decoder S/N history by band

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