KF4AH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM18

Receiver-side FT8 activity involving KF4AH, decoded by SO8OO in southeastern Poland. 111 related FT8 messages, observed on 80m, 60m, 40m, 20m, across 17 UTC dates. Heard between 2026-05-29 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

111

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 60m 40m 20m

First seen: 2026-05-29
Last seen: 2026-08-22 23:54 UTC

Frequent QSO partners observed at SO8OO

Stations KF4AH worked most often, as logged from our receiver:

R5DT · European Russia ×2 Z62NS · Republic of Kosovo ×2 G4ATX · England NC5T · United States KC9RAX · United States N3UTN · United States WP4PUX · Puerto Rico MW0UPH · Wales K4DH · United States VP2MAA · Montserrat W2GLH · United States KD2KBU · United States

Activity Heatmap

Locator transmitted by KF4AH

Approximate centre of FM18, decoded 2026-08-22 02:03 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	KF4AH S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 01:54	60m	- / -11	G4ATX	-7 / -	2	✓ Closing fragment
08-22 02:06	40m	- / -	RA3RDN	-6 / -	2	Partial capture
08-22 02:03	40m	-7 / -	KF8DQU	- / -2	3	✓ Closing fragment
08-22 02:02	40m	-6 / -	N3UTN	- / -	2	✓ Closing fragment
08-22 02:01	40m	- / -15	RK3AW	-8 / -	2	Partial capture
08-22 02:00	40m	- / -	RA3RDN	-12 / -	2	Partial capture
08-22 01:57	40m	-8 / -	KC9GLR	- / +1	3	✓ Closing fragment
08-22 01:57	40m	- / -	PE1NPS	+4 / -	4	Partial capture
08-22 01:53	40m	-5 / -6	OK4FX	+2 / -	4	✓ Closing observed
08-22 01:53	40m	- / -16	R2BQM	+8 / -	6	Partial capture
08-22 01:52	40m	-7 / -	K8NWN	- / +6	3	✓ Closing fragment
08-22 01:49	40m	-10 / -6	9A9TT	-4 / -16	8	✓ Full exchange observed
08-09 01:36	60m	- / -	F5RAV	-8 / -	7	Partial capture
08-09 01:32	60m	- / -10	M0LOW	-9 / -	2	✓ Closing fragment
07-20 01:28	20m	- / +10	W4DXM	+2 / -	2	✓ Closing fragment
07-17 01:56	60m	- / -14	SP7NC	-12 / -	2	Partial capture
07-10 01:48	20m	- / -15	EC5M	-4 / -	2	✓ Closing fragment
07-10 01:27	40m	- / -	ON7KEI	-21 / -	3	Partial capture
07-10 01:23	40m	- / -11	5B4AMM	-5 / -	2	✓ Closing fragment
07-04 01:59	20m	- / -7	VP2MAA	-4 / -	2	✓ Closing fragment
07-03 01:04	80m	- / -	DO1ID	+1 / -	3	Partial capture
07-03 01:04	80m	- / -	OM0RX	+5 / -	3	Partial capture
07-03 01:04	80m	- / -	SP9TBT	+4 / -	2	Partial capture
07-03 01:03	80m	-11 / -	K2G	- / +6	3	✓ Closing fragment
06-30 01:37	60m	- / +2	OR0A	-6 / -	2	✓ Closing fragment
06-30 01:36	60m	- / -	DL9KM	-12 / -	7	Partial capture
06-23 02:08	40m	- / -13	R5DT	+5 / -	2	✓ Closing fragment
06-17 02:05	40m	- / -	F6FHZ	-5 / -	5	Partial capture
06-17 02:01	40m	-8 / +7	Z62NS	-4 / -12	5	✓ Full exchange observed
06-17 01:57	40m	-10 / -	KE4SXD	- / -	2	Partial capture
06-17 01:56	40m	-10 / -	KC1VHD	- / -	2	Partial capture
06-17 01:53	40m	-8 / +2	Z62NS	-4 / -19	7	✓ Full exchange observed
06-17 01:51	40m	-7 / -	K4DH	- / 0	3	✓ Closing fragment
06-17 01:50	40m	-9 / -	WP4PUX	- / -9	2	✓ Closing fragment
06-17 01:48	40m	-9 / -	N5VX	- / +4	3	✓ Closing fragment
06-17 01:30	40m	-7 / -	K8MST	- / -6	2	Partial capture
06-17 01:27	40m	-8 / -	KD2KBU	- / +7	3	✓ Closing fragment
06-17 01:25	40m	-6 / -	W4KWS	- / -5	4	✓ Closing fragment
06-17 01:24	40m	-5 / -	PW8BR	- / -16	2	Partial capture
06-17 01:22	40m	-8 / -	AC8WP	- / -3	2	✓ Closing fragment
06-16 02:21	20m	+2 / -	VE6NS	- / -2	4	✓ Closing fragment
06-16 02:13	20m	-7 / -	KC9RAX	- / -15	3	✓ Closing fragment
06-16 02:07	20m	-1 / -	KJ5QAW	- / -	2	Partial capture
06-15 01:24	20m	-8 / -	DM1YS	- / -1	3	✓ Closing fragment
06-15 01:23	20m	-7 / -	R5DT	- / +2	2	✓ Closing fragment
06-15 01:21	20m	-12 / -13	IZ8EYN	-7 / -	3	✓ Closing observed
06-04 01:40	20m	- / -11	RK6A	+6 / -	2	✓ Closing fragment
06-04 01:33	20m	-4 / -7	TI5RR	-6 / +2	4	✓ Full exchange observed
06-04 01:23	20m	+3 / -	EA7LZ	- / -	2	✓ Closing fragment
06-01 02:11	40m	-1 / -	W2GLH	- / -20	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
015615 -11  947  KF4AH SP7NC JO91 (x2)
015845 -12  948  KF4AH DL1RI RR73
014800 -10  488  HI3K KF4AH R-04
013215 -10  431  KF4AH M0LOW -10 (x2)
013600 -12 1534  KF4AH F5RAV JN09 (x7)
015415  -5  848  KF4AH G4ATX -11 (x2)

40m

UTC    dB Audio  Message
015800  +3 2535  KF4AH PE1NPS JO22
015815  -6  414  KC9GLR KF4AH 73
015830  +6 2536  KF4AH PE1NPS JO22
015845  -7  414  NI3V KF4AH FM18
020030 -14 2147  KF4AH RA3RDN LO02
020130  -8 1155  KF4AH RK3AW -15 (x2)
020200  -7  414  N3UTN KF4AH FM18
020200 -10 2147  KF4AH RA3RDN LO02
020300  -6  414  N3UTN KF4AH 73
020330  -7  414  KF8DQU KF4AH FM18 (x3)
020615 -11 2147  KF4AH RA3RDN LO02 (x2)

20m

UTC    dB Audio  Message
021330  -6  534  KC9RAX KF4AH FM18 (x3)
022130  -6  533  VE6NS KF4AH FM18 (x4)
022330  +4  533  TA4INO KF4AH FM18
015915  -5  479  KF4AH VP2MAA -07 (x2)
014800  -2  592  KF4AH EC5M -15 (x2)
012800  +1  823  KF4AH W4DXM +10 (x2)
013715  +1  578  KF4AH V31MA -03

80m

UTC    dB Audio  Message
010300 -11  458  K2G KF4AH FM18 (x3)
010415  +4 1706  KF4AH SP9TBT JO90
010415  +5 1578  KF4AH OM0RX JN88
010415  -1 1397  KF4AH DO1ID JO41
010445  +2 1578  KF4AH OM0RX JN88
010445  +3 1706  KF4AH SP9TBT JO90
010445  +1 1397  KF4AH DO1ID JO41
010530 -12  458  WI0M KF4AH RR73
010545  +2 1675  KF4AH F5RRS JN36
010545  +9 1579  KF4AH OM0RX JN88
010545  +3 1397  KF4AH DO1ID JO41

Decoder S/N history by band

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