KO4ZWD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KO4ZWD, decoded by SO8OO in southeastern Poland. 111 related FT8 messages, 6 CQ messages, observed on 80m, 40m, 20m, across 11 UTC dates. Heard between 2026-06-07 and 2026-08-21.

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

-7 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-06-07
Last seen: 2026-08-21 00:10 UTC

Frequent QSO partners observed at SO8OO

Stations KO4ZWD worked most often, as logged from our receiver:

RT3K · European Russia IC8TEM · Italy DK5WL · Fed. Rep. of Germany DH0GBC · Fed. Rep. of Germany DK7UY · Fed. Rep. of Germany EA5KDN · Spain IQ4JO · Italy W4KWS · United States HZ1TT · Saudi Arabia DL3OCF · Fed. Rep. of Germany R5AV · European Russia EA5IT · Spain

Activity Heatmap

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	KO4ZWD S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 02:06	80m	- / -	DH2YBG	-15 / -	2	Partial capture
08-21 02:06	80m	- / -19	DK5WL	-3 / -	9	✓ Closing fragment
08-20 04:37	40m	- / -22	EA5IT	-11 / -	3	✓ Closing fragment
08-20 04:36	40m	- / -11	DL3OCF	+6 / -	4	✓ Closing fragment
08-20 04:36	40m	- / -12	ON1JP	-20 / -	2	Partial capture
08-20 04:36	40m	- / -	DH5BM	+1 / -	2	Partial capture
08-20 04:29	40m	- / -9	DL3OCF	+11 / -	3	Partial capture
08-20 04:29	40m	- / -	DL9KM	-8 / -	7	Partial capture
08-20 04:29	40m	- / -9	F5NBU	-14 / -	2	Partial capture
08-19 00:43	40m	- / -	F5NBU	+6 / -	4	Partial capture
08-19 00:43	40m	- / -10	IC8TEM	+4 / -	2	✓ Closing fragment
07-25 00:56	40m	- / -	F1IQH	-8 / -	2	Partial capture
07-21 00:38	20m	- / -15	EA4FVT	-18 / -	2	Partial capture
07-18 02:31	20m	- / -	R3KCW	-19 / -	2	Partial capture
07-18 02:31	20m	- / -21	RT6DU	-3 / -	6	Partial capture
07-18 02:27	20m	- / -14	UA6YW	-10 / -	3	Partial capture
07-18 02:27	20m	- / -	RT6DU	-6 / -	3	Partial capture
07-18 02:23	20m	- / -	R3KCW	-11 / -	3	Partial capture
07-18 02:18	20m	- / -14	UA6YW	-12 / -	2	Partial capture
07-13 22:10	20m	- / -	DK9ZQ	-19 / -	3	Partial capture
06-23 01:18	40m	- / -	HZ1TT	-19 / -	3	✓ Closing fragment
06-23 01:12	40m	- / -12	DH0GBC	-3 / -	3	✓ Closing fragment
06-19 22:47	20m	- / -10	EA5KDN	-3 / -	3	✓ Closing fragment
06-19 03:25	20m	-6 / -	HK3G	- / -12	4	Partial capture
06-19 03:22	20m	- / -15	HK3G	-15 / -	4	Partial capture
06-19 02:58	40m	- / -11	IQ4JO	+1 / -	3	✓ Closing fragment
06-19 02:55	40m	- / -20	IZ8DBJ	-6 / -	2	Partial capture
06-19 02:35	40m	- / -7	DK7UY	-2 / -	2	✓ Closing fragment
06-19 02:32	40m	-19 / -	W0ZWY	- / -	4	Partial capture
06-19 02:23	20m	-13 / -	W7M	- / -	5	Partial capture
06-19 02:03	40m	-10 / -	W9OG	- / 0	2	Partial capture
06-19 01:31	40m	- / -2	DK7ZT	-4 / -	2	Partial capture
06-12 01:13	20m	-22 / -	W0GQ	- / -	2	Partial capture
06-12 01:05	20m	-13 / -	W0GQ	- / -	6	Partial capture
06-11 01:46	20m	-17 / -	KZ4NJ	- / -	2	Partial capture
06-11 01:38	20m	-20 / -	R5AV	-4 / -4	2	✓ Closing observed
06-11 01:31	20m	-17 / -	EA3GXK	- / -	2	Partial capture
06-11 01:26	20m	- / -18	EA3GXK	-4 / -	5	Partial capture
06-07 02:34	40m	- / -	IK7DTP	-2 / -	2	Partial capture
06-07 02:22	40m	-8 / -	AD0AA	- / -17	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
020600 -16 1620  KO4ZWD DH2YBG JO43
020600  -6 1514  KO4ZWD DK5WL JN39
020630 -14 1619  KO4ZWD DH2YBG JO43
020630  -2 1514  KO4ZWD DK5WL JN39 (x8)

40m

UTC    dB Audio  Message
043030  +8 2434  KO4ZWD DL3OCF JO51
043100  -2 1320  KO4ZWD DL9KM JN68 (x3)
043600  +2 2435  KO4ZWD DH5BM JO41 (x2)
043630 +21 2896  KO4ZWD DL3OCF -11
043630 -23 1400  KO4ZWD ON1JP -12
043700 -13 2536  KO4ZWD EA5IT IM99
043700 -18 1400  KO4ZWD ON1JP -12
043730  +7 2744  KO4ZWD DL3OCF -14
043830 -11 2536  KO4ZWD EA5IT R-22
043900  -5 2238  KO4ZWD DL3OCF -10
043900  -9 2536  KO4ZWD EA5IT 73
043930  +2 2238  KO4ZWD DL3OCF RR73

20m

UTC    dB Audio  Message
022800  -3  450  KO4ZWD RT6DU KN94
022800 -12 2688  KO4ZWD RT3K RR73
022830  -6  450  KO4ZWD RT6DU KN94
022900  -9 1402  KO4ZWD UA6YW -19 (x2)
023100  -3  563  KO4ZWD RT6DU R-21
023100 -17 1596  KO4ZWD R3KCW KO90
023130  -8  563  KO4ZWD RT6DU R-21
023130 -21 1596  KO4ZWD R3KCW KO90
023200  +0  563  KO4ZWD RT6DU R-21 (x4)
003800 -19 1348  KO4ZWD EA4FVT -15 (x2)

Decoder S/N history by band

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