KB3Z — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KB3Z, decoded by SO8OO in southeastern Poland. 2,991 related FT8 messages, 1,305 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-06-04 and 2026-08-19.

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

2,991

Related messages

1,305

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-06-04
Last seen: 2026-08-19 08:10 UTC

Frequent QSO partners observed at SO8OO

Stations KB3Z worked most often, as logged from our receiver:

IK4LZH · Italy ×4 DH4JQ · Fed. Rep. of Germany ×3 VE2FVV · Canada ×3 LZ3BS · Bulgaria ×3 EC5M · Spain ×3 HA1ZW · Hungary ×3 OH2XO · Finland ×3 N8HRZ · United States ×2 7Z1BQ · Saudi Arabia ×2 OZ7FOC · Denmark ×2 RQ7R · European Russia ×2 RZ4FWA · European Russia ×2

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	KB3Z S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-19 10:09	20m	- / -17	DH3GAR	-13 / -	2	✓ Closing fragment
08-19 10:08	20m	- / -20	IK5EEA	-14 / -	2	✓ Closing fragment
07-30 09:38	20m	- / +2	DL6KA	-10 / -	2	✓ Closing fragment
07-30 09:16	20m	- / -	G8OO	-8 / -	5	Partial capture
07-30 08:54	20m	- / -13	OE5GTE	-6 / -	2	✓ Closing fragment
07-30 08:32	20m	- / -	EW7AS	-20 / -	2	Partial capture
07-30 07:56	20m	- / -17	OE3BBC	+8 / -	2	✓ Closing fragment
07-30 07:42	20m	- / -14	IK3HTH	-9 / -	3	✓ Closing fragment
07-30 07:36	20m	- / -6	YR50NADIA	+10 / -	2	Partial capture
07-30 07:26	20m	- / -14	TA2AI	-16 / -	2	✓ Closing fragment
07-30 07:07	20m	- / -16	TA1CQ	-15 / -	3	✓ Closing fragment
07-30 07:05	20m	- / -11	US1VS	-6 / -	2	✓ Closing fragment
07-30 07:02	20m	-11 / -	YO8CNA	- / -	5	Partial capture
07-30 07:01	20m	-23 / -	LB5WB	- / +5	2	✓ Closing fragment
07-30 06:57	20m	- / -10	IK4RVY	-6 / -	2	✓ Closing fragment
07-30 06:46	20m	- / -	IV3CID	-2 / -	2	Partial capture
07-30 06:41	20m	-14 / -	VE7LCG	- / -	2	Partial capture
07-30 06:27	20m	- / -5	UA1OJL	-9 / -	3	✓ Closing fragment
07-30 06:26	20m	- / -10	SV2AOB	-12 / -	2	✓ Closing fragment
07-30 06:15	20m	- / -	G4RYE	-1 / -	2	Partial capture
07-30 05:56	20m	-8 / -	NU6V	- / -19	6	✓ Closing fragment
07-30 05:52	20m	-13 / -	F5DAN	- / -	2	✓ Closing fragment
07-30 05:51	20m	-8 / -	RX7O	- / -15	3	✓ Closing fragment
07-30 05:49	20m	- / +5	F4MHR	-24 / -	2	Partial capture
07-30 05:46	20m	-16 / -	F4NGR	- / -	5	Partial capture
07-30 05:42	20m	-12 / -	R3DQL	- / -	2	Partial capture
07-30 05:41	20m	-4 / -	LZ3BS	- / -1	3	✓ Closing fragment
07-30 05:38	20m	-20 / -	SP7MOC	- / -	2	✓ Closing fragment
07-30 05:36	20m	-6 / -	EA9ACF	- / -4	3	✓ Closing fragment
07-30 05:33	20m	-14 / -	HA8RC	- / -21	3	✓ Closing fragment
07-30 05:32	20m	-4 / -	UZ5DM	- / -	3	✓ Closing fragment
07-30 05:20	20m	-8 / -	RQ7R	- / +1	9	Partial capture
07-30 05:11	20m	-19 / -	SP3DOF	- / -8	3	✓ Closing fragment
07-30 05:09	20m	-18 / -	OM8FR	- / -2	2	Partial capture
07-30 05:07	20m	0 / +1	EA4HQH	-10 / -	5	✓ Closing observed
07-30 05:06	20m	-4 / -	UR5FS	- / +5	3	✓ Closing fragment
07-30 05:05	20m	-7 / -	OZ1KZX	- / -	2	✓ Closing fragment
07-30 05:03	20m	-14 / -	YO9HP	- / +3	3	✓ Closing fragment
07-30 05:02	20m	-20 / -	<...>	- / -16	2	Partial capture
07-30 04:57	20m	-18 / -	EB3DIY	- / -19	8	✓ Closing fragment
07-30 04:56	20m	-18 / -	OE8AWQ	- / -6	2	✓ Closing fragment
07-30 04:54	20m	-10 / -	RK3AQ	- / -10	2	Partial capture
07-30 04:50	20m	-18 / -	R1BKC	- / -	5	Partial capture
07-30 04:49	20m	-12 / -	RA6AVP	- / -16	2	Partial capture
07-30 04:46	20m	0 / -	F5GSJ	- / -	2	✓ Closing fragment
07-30 04:43	20m	-5 / -	F4LZZ	- / -	3	Partial capture
07-30 04:39	20m	-16 / -	SP9DAT	- / -	4	Partial capture
07-30 04:37	20m	-1 / -	UA4PDJ	-8 / -15	3	✓ Closing observed
07-30 04:37	20m	- / -	R4UR	-5 / -	2	Partial capture
07-30 04:35	20m	-2 / -	2E0UMF	- / -19	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
091815 -10  271  KB3Z G8OO JO02 (x4)
092545  -5 2522  KB3Z PE9JAN RR73
093815  -9  632  KB3Z DL6KA +02 (x2)
094845  -9 2306  KB3Z GM0SDV IO75
190115  -8 1356  KB3Z RA6LHU LN08
093030 -11 1113  KB3Z CS8ABF RR73
100345 -19 2325  KB3Z OZ9FF RR73
100815 -16 1079  KB3Z IK5EEA -20 (x2)
100945 -12  806  KB3Z DH3GAR -17 (x2)

60m

UTC    dB Audio  Message
020630  +2  349  KB3Z 4L7T LN21 (x2)

40m

UTC    dB Audio  Message
054930 -11  942  KB3Z 9A9TT -14 (x5)
055630 -16 1344  KB3Z HA1ZW RR73
055730  -6  792  KB3Z DC7RG JO41 (x5)
060430  -4 2871  KB3Z DK1STE R-13
062600 -16  951  KB3Z TM75TFR -08 (x2)
071315  -6 2920  KB3Z SP1LON JO73

10m

UTC    dB Audio  Message
185145 -22 1185  KB3Z PD0RCQ JO21 (x2)
074045 -22 1591  KB3Z F4MTS JN07

80m

UTC    dB Audio  Message
034245 -22 1702  KB3Z DO3TOM JO32
034245 -21 1571  <KB3Z> AO314A
034315 -21 1702  KB3Z DO3TOM JO32 (x3)
034415 -24 1570  <KB3Z> AO314A
034445 -24 1702  KB3Z DO3TOM JO32
034445 -24 1571  <KB3Z> AO314A
041645  -1 1388  KB3Z F8NHF JO10 (x4)
023945 -10 2505  KB3Z F1PBZ -14 (x3)

160m

UTC    dB Audio  Message
212615 -10  453  KB3Z EB3DBR JN11 (x3)

Decoder S/N history by band

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