US8KA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KO30

Receiver-side FT8 activity involving US8KA, decoded by SO8OO in southeastern Poland. 1,164 related FT8 messages, 659 CQ messages, observed on 80m, 40m, 20m, 10m, across 13 UTC dates. Heard between 2026-06-06 and 2026-08-23.

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

1,164

Related messages

659

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-06-06
Last seen: 2026-08-23 11:14 UTC

Frequent QSO partners observed at SO8OO

Stations US8KA worked most often, as logged from our receiver:

F4FSY · France ×2 LZ2BC · Bulgaria ×2 N8FMD · United States ×2 DL2VER · Fed. Rep. of Germany ×2 IQ0VT · Italy ×2 UK8FCM · Uzbekistan ×2 F1PBZ · France ×2 F4VTR · France ×2 F4LNM · France ×2 R6FML · European Russia ×2 F1IQH · France ×2 M0PFX · England ×2

Activity Heatmap

Locator transmitted by US8KA

Approximate centre of KO30, decoded 2026-08-23 13:35 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	US8KA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 13:34	40m	+6 / -	SP5PW	- / -	2	✓ Closing fragment
08-23 13:31	40m	+4 / -	DK6WS	- / -17	4	✓ Closing fragment
08-23 13:25	40m	+10 / -	SA6DBX	- / -19	3	Partial capture
08-23 13:13	40m	+5 / -19	DL5WP	-10 / -8	5	✓ Full exchange observed
08-23 13:11	40m	+6 / -	DL8NCV	- / -	2	Partial capture
08-23 13:06	40m	+4 / -	DJ2MS	- / -	6	Partial capture
08-23 13:04	40m	+3 / -	SP5RFL	- / 0	3	✓ Closing fragment
08-23 13:02	40m	+8 / -	YL3RS	- / -6	3	✓ Closing fragment
08-23 13:01	40m	+9 / -	DL6YJB	- / -8	3	✓ Closing fragment
08-23 12:56	40m	+7 / -	I6XVL	-14 / -8	8	✓ Full exchange observed
08-23 12:46	40m	+7 / -	PD1GOL	- / -	2	Partial capture
08-23 12:45	40m	+7 / -	PE9JAN	- / -7	2	✓ Closing fragment
08-23 12:43	40m	+8 / -	SQ1QAT	- / -6	4	✓ Closing fragment
08-23 12:38	40m	+7 / -	IK4LZH	- / -5	2	✓ Closing fragment
08-23 12:34	40m	+10 / -	SP8KNF	-12 / -	4	✓ Closing observed
08-23 12:32	40m	+6 / -	PE1NAO	- / -17	4	✓ Closing fragment
08-23 11:56	40m	+5 / +1	HA3GO	-16 / +3	5	✓ Full exchange observed
08-23 08:01	40m	+11 / -6	PD1RO	-8 / -11	4	✓ Full exchange observed
08-23 07:58	40m	+14 / -	F4GUK	- / -20	2	✓ Closing fragment
08-23 07:54	40m	+13 / -	PH9A	-21 / -18	3	✓ Closing observed
08-23 07:52	40m	+15 / -	HA8LKI	- / -14	2	✓ Closing fragment
08-23 07:50	40m	+15 / -8	HA1ZW	-3 / +3	7	✓ Full exchange observed
08-23 04:10	40m	-14 / -	EW4DX	- / -4	2	✓ Closing fragment
08-23 04:07	40m	-12 / -13	OA4CLU	-20 / -8	6	✓ Full exchange observed
08-23 04:02	40m	-17 / -13	KB2ELA	-21 / -24	4	Partial capture
08-23 03:55	40m	-14 / -	TI3GB	- / -24	5	✓ Closing fragment
08-23 03:52	40m	-8 / -	DL3HN	- / -18	2	✓ Closing fragment
08-23 03:46	40m	-4 / -	K2YF	- / -24	8	Partial capture
08-23 03:45	40m	0 / -	K4YT	-20 / -9	3	✓ Closing observed
08-23 03:41	40m	-2 / -13	IN3WZS	-22 / +6	3	✓ Full exchange observed
08-23 03:37	40m	+3 / -	N9LAH	- / -13	3	Partial capture
08-23 03:36	40m	+6 / -	W5RGO	- / -19	2	✓ Closing fragment
08-23 03:34	40m	+2 / -12	YO6FNF	-8 / -3	5	✓ Full exchange observed
08-23 01:57	40m	- / -	N8FMD	-18 / -	5	Partial capture
08-23 01:49	40m	- / -15	SP5MIG	+3 / -	8	✓ Closing fragment
08-23 01:49	40m	- / +4	UA3PAB	-8 / -	3	✓ Closing fragment
08-23 01:42	40m	-18 / -	N8FMD	-19 / -	5	✓ Closing observed
08-23 01:33	40m	-17 / -24	N8FMD	-18 / -8	7	✓ Full exchange observed
08-23 01:31	40m	-17 / -4	AK1P	-15 / -10	4	✓ Full exchange observed
08-23 01:22	40m	- / -10	F4VTR	-1 / -	3	✓ Closing fragment
08-23 01:16	40m	- / -	SP2CRY	-11 / -	3	Partial capture
08-23 01:06	40m	-18 / -	KR4EBE	-18 / -11	3	Partial capture
08-23 01:05	40m	-19 / -3	RZ6AKF	+2 / +7	3	✓ Full exchange observed
08-23 01:00	40m	-18 / -	TA2EE	-18 / -22	4	✓ Closing observed
08-23 00:59	40m	-18 / -	N1EN	- / -6	2	✓ Closing fragment
08-23 00:54	40m	-20 / -	VA3UG	- / -12	2	✓ Closing fragment
08-23 00:47	40m	-16 / -	N9AGC	- / -18	2	✓ Closing fragment
08-23 00:41	40m	-17 / -	EA5HM	-18 / -6	5	Partial capture
08-23 00:39	40m	-20 / -	SP7NC	- / -13	2	✓ Closing fragment
08-23 00:31	40m	- / -4	F5OYA/P	-14 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
131315  +1 1240  DL5WP US8KA KO30
131330  -8  835  US8KA DL5WP -19
131345  +6 1239  DL5WP US8KA R-08
131400 -11  835  US8KA DL5WP RR73
131415  +7 1240  DL5WP US8KA 73
132500 +10 1240  SA6DBX US8KA KO30 (x3)
133115  +2 1240  DK6WS US8KA KO30 (x4)
133400  +6 1240  SP5PW US8KA R+11 (x2)
133500  +6 1240  DJ2MS US8KA KO30

20m

UTC    dB Audio  Message
113230 -12 1054  US8KA G1OJS R-14 (x2)
114830  -9 2537  US8KA ON6FDP/P JO11 (x2)
115230 -15 2535  US8KA DJ1NE 73
115700  -5 2609  US8KA G0GHL IO82
130130 -13 1268  US8KA IK2IKW JN55 (x3)
130600  -4 2537  US8KA CT2GFJ 73
131430  +9 2259  US8KA F6FLU JN18
132600 -12  844  US8KA I1FLC -05 (x2)
133130  -8 2535  US8KA F4JUG 73
134400 -13 2535  US8KA IW5ABF R-21

80m

UTC    dB Audio  Message
195715 -24 1158  US8KA <...> -15
195730  -9 1855  <...> US8KA R+02
203530 -11 1602  US8KA DA6DE JO40

10m

UTC    dB Audio  Message
134130  +1 2908  US8KA YO3HUI KN34 (x4)
134930  +0  724  US8KA DD1OO -12
135800  -8  768  US8KA DB5HA 73
140700  -8 1243  US8KA DL1ORI JO50 (x2)
140800 -10  767  US8KA OK1AR JO60 (x2)
141100 -10  767  US8KA DN9PHI 73
141200  -7  768  US8KA DL2VER R+04 (x2)
141400  -8  768  US8KA DB8JV R+09 (x2)

Decoder S/N history by band

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