KC1ZBU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KC1ZBU, decoded by SO8OO in southeastern Poland. 109 related FT8 messages, 6 CQ messages, observed on 20m, across 14 UTC dates. Heard between 2026-06-03 and 2026-06-29.

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

109

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

20m

First seen: 2026-06-03
Last seen: 2026-06-29 21:27 UTC

Frequent QSO partners observed at SO8OO

Stations KC1ZBU worked most often, as logged from our receiver:

N5QS · United States ×2 VE3PFW · Canada IK4LZH · Italy EA1IOK · Spain 9A3TY · Croatia A71UN · Qatar KO3F · United States EA5D · Spain NE8Z · United States IQ4JO · Italy DK7ZT · Fed. Rep. of Germany F6BIA · France

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	KC1ZBU S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-29 22:58	20m	- / -	F5RAV	-8 / -	2	Partial capture
06-25 00:17	20m	- / -	EA3HMM	0 / -	4	Partial capture
06-24 01:48	20m	- / -	OD5KU	+6 / -	4	Partial capture
06-24 00:22	20m	- / -7	F5PBG	-15 / -	2	Partial capture
06-23 22:19	20m	- / -	F5PBG	-4 / -	2	Partial capture
06-23 02:10	20m	- / +2	N5QS	-10 / -	5	✓ Closing fragment
06-23 01:17	20m	- / -6	N5QS	-7 / -	4	✓ Closing fragment
06-23 00:34	20m	- / -	F5PBG	-9 / -	2	Partial capture
06-23 00:33	20m	- / -14	A71UN	-14 / -	2	✓ Closing fragment
06-22 21:10	20m	- / -24	IK4LZH	-7 / -	4	Partial capture
06-10 02:21	20m	- / -9	TI5RR	-10 / -	2	✓ Closing fragment
06-10 00:24	20m	- / -	EA1IOK	-10 / -	2	✓ Closing fragment
06-09 22:25	20m	- / -	EA2DP	-4 / -	3	Partial capture
06-09 22:20	20m	- / -18	HA7TM	-8 / -	7	Partial capture
06-09 22:17	20m	- / -4	KO3F	-5 / -	3	✓ Closing fragment
06-09 20:27	20m	- / -6	DK7ZT	-16 / -	2	✓ Closing fragment
06-09 20:13	20m	- / -	EA1IOK	+3 / -	4	Partial capture
06-09 18:50	20m	- / -10	F6BIA	-6 / -	3	✓ Closing fragment
06-09 02:31	20m	- / -14	SV4LGX	+1 / -	4	✓ Closing fragment
06-09 01:57	20m	- / -	S52D	-3 / -	2	Partial capture
06-09 01:54	20m	-16 / -22	HG8LXL	-12 / -	5	Partial capture
06-09 01:52	20m	-10 / -	VE7LGP	- / -6	4	Partial capture
06-09 01:49	20m	-14 / -	YT3PL	- / +3	2	Partial capture
06-09 01:49	20m	- / -17	R5AV	+14 / -	2	Partial capture
06-09 01:47	20m	- / -17	IQ4JO	+16 / -	3	✓ Closing fragment
06-09 01:47	20m	- / -	S52D	+8 / -	2	Partial capture
06-08 21:10	20m	- / -	EA1IOK	0 / -	2	Partial capture
06-06 21:53	20m	- / -	F5RRS	+4 / -	2	Partial capture
06-05 03:49	20m	- / -7	VE3PFW	+4 / -	2	✓ Closing fragment
06-05 03:11	20m	- / -9	EA5D	+6 / -	2	✓ Closing fragment
06-05 01:37	20m	- / -15	VA3JBS	-4 / -	2	Partial capture
06-04 22:05	20m	- / -9	NE8Z	-6 / -	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
221930  -2 2687  KC1ZBU F5PBG IN78 (x3)
014815  +0 2518  KC1ZBU OD5KU KM73 (x4)
001715  -6 1052  KC1ZBU EA3HMM JN00 (x4)
010730 -20 1511  KC1ZBU DL1UDO JO31
225815  -8 1456  KC1ZBU F5RAV JN09 (x2)
232745 -16 2333  KC1ZBU N9W -16

Decoder S/N history by band

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