KC3YOI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: FN21

Receiver-side FT8 activity involving KC3YOI, decoded by SO8OO in southeastern Poland. 1 FT8 messages attributed to this token as transmitter, on 80m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-08.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 1 FT8 messages attributed to KC3YOI as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The available sample contains attributed decodes on 80 m (100%). The sample is too small to infer a recurring UTC-hour or received-S/N pattern.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

S/N pattern not inferred

Bands

80m · 1

First attributed message: 2026-07-08
Last attributed message: 2026-07-08 02:22 UTC

Observed FT8 message patterns

Attributed sample: 1 messages
Active dates: 1 UTC dates
S/N summary: Too few decodes
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with KC3YOI in decoded directed-looking exchanges:

M0OVG · England F4FCE · France F5HNQ · France F5UOU · France SP2GCJ · Poland DL8TV · Fed. Rep. of Germany LA9GX · Norway OM1CI · Slovak Republic S57ZS · Slovenia DF8AA · Fed. Rep. of Germany DL6II · Fed. Rep. of Germany DO1ID · Fed. Rep. of Germany

Most frequent locator attributed to KC3YOI

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: FN21
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,033 km (approx.)
Last such locator decoded: 2026-07-08 02:22 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	KC3YOI S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-04 03:49	40m	- / -21	SP2GCJ	+12 / -	3	✓ Closing fragment
09-04 03:47	40m	- / -	DL8TV	-12 / -	2	Partial capture
09-04 03:40	40m	- / -4	F5UOU	-1 / -	3	✓ Closing fragment
08-31 03:53	80m	- / -12	HA7TM	+7 / -	3	✓ Closing fragment
08-31 03:51	80m	- / -16	IK5CHL	0 / -	4	✓ Closing fragment
08-31 03:50	80m	- / -17	F4GTB	-4 / -	3	✓ Closing fragment
08-26 21:16	20m	- / -	DK9ZQ	+1 / -	4	Partial capture
08-26 21:11	20m	- / -	DL1R	+11 / -	9	Partial capture
08-24 02:52	40m	- / -5	F5HNQ	-2 / -	2	✓ Closing fragment
08-24 02:46	40m	- / -	PC2J	-6 / -	3	Partial capture
08-22 19:44	20m	- / -15	F1ODM	-4 / -	2	Partial capture
08-19 01:30	40m	- / -	F1IQH	-8 / -	4	Partial capture
08-14 04:03	60m	- / -	HB9ALO	-5 / -	5	Partial capture
08-14 04:01	60m	- / -22	G0AZH	-6 / -	2	Partial capture
08-14 04:01	60m	- / -15	OM1CI	-18 / -	2	✓ Closing fragment
08-14 03:57	60m	- / -10	DL8TV	-6 / -	3	✓ Closing fragment
08-14 03:54	60m	- / -12	S57ZS	-10 / -	4	✓ Closing fragment
08-14 03:54	60m	- / -11	LA9GX	+5 / -	3	✓ Closing fragment
08-03 04:33	40m	- / -26	YO6LM	-20 / -	2	Partial capture
08-03 04:24	40m	- / -23	YO6LM	-6 / -	2	Partial capture
08-03 04:13	80m	- / -19	G5LP	-4 / -	4	Partial capture
08-03 04:09	80m	- / -20	DL8TV	+2 / -	5	Partial capture
07-29 04:42	80m	- / -13	F4FQY	-12 / -	4	✓ Closing fragment
07-29 04:39	40m	- / -	HA5VQ	-19 / -	6	Partial capture
07-29 04:33	40m	- / -	DJ9FBA	-18 / -	2	Partial capture
07-29 04:06	40m	- / -8	F4FCE	-18 / -	2	✓ Closing fragment
07-29 03:52	40m	- / -	PD8MD	-8 / -	2	Partial capture
07-29 03:30	80m	- / -	F5MYK	-12 / -	2	Partial capture
07-29 03:21	80m	- / -	DK5WL	-6 / -	3	Partial capture
07-29 03:16	80m	- / -20	DO1ID	+12 / -	6	✓ Closing fragment
07-29 03:15	80m	- / -	F5MYK	-8 / -	6	Partial capture
07-29 03:14	80m	- / -	DF8AA	+9 / -	2	✓ Closing fragment
07-23 04:04	20m	- / -	R6OH	-10 / -	2	Partial capture
07-23 03:55	80m	- / -18	OK1XV	+13 / -	6	Partial capture
07-23 03:53	80m	- / -12	DL6II	-3 / -	3	✓ Closing fragment
07-23 03:52	80m	- / -19	DL8TV	-5 / -	4	Partial capture
07-23 03:52	80m	- / -19	SV8JE	+4 / -	5	Partial capture
07-23 03:52	80m	- / -13	HB9CXZ	-1 / -	3	✓ Closing fragment
07-22 05:12	20m	- / -15	DL1R	0 / -	9	Partial capture
07-17 04:05	40m	- / -12	DK7ZT	-8 / -	3	Partial capture
07-08 01:56	80m	- / -	EA3HMM	+6 / -	4	Partial capture
06-23 21:43	20m	- / -15	7Z1DJ	-16 / -	2	Partial capture
06-23 21:40	20m	- / -	M0CKX	-20 / -	4	Partial capture
06-22 21:35	20m	- / -13	M0OVG	-6 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
024745 -15 1343  KC3YOI DL1UDO JO31
025215  -2 2028  KC3YOI F5HNQ R-05 (x2)
025315  -7  271  KC3YOI PC2J JO22
034030  -7 1841  KC3YOI F5UOU -04 (x3)
034600 -22 2180  KC3YOI SP5LST R-15
034630  +7 2842  KC3YOI EB3JT JN01
034700 -11 1902  KC3YOI DL8TV JN49 (x2)
034930  +8  388  KC3YOI SP2GCJ JO93
034930  +9 2842  KC3YOI PC2J JO22
035000 +11  388  KC3YOI SP2GCJ R-21 (x2)

80m

UTC    dB Audio  Message
041145  +5 1902  KC3YOI DL8TV R-20
041315  -6 1356  KC3YOI G5LP IO92 (x4)
035030  -4 1103  KC3YOI F4GTB JN18
035100  +0 2298  KC3YOI IK5CHL JN53
035100  -6 1103  KC3YOI F4GTB R-17
035130  -2 2298  KC3YOI IK5CHL JN53
035130  -1 1104  KC3YOI F4GTB 73
035200  +3 2298  KC3YOI IK5CHL R-16 (x2)
035300  +5 1105  KC3YOI HA7TM JN97 (x3)

20m

UTC    dB Audio  Message
194415  -4 2427  KC3YOI F1ODM -15 (x2)
211130 +10 2657  KC3YOI DL1R JN58 (x9)
211600  +1  778  KC3YOI DK9ZQ JO41 (x4)

60m

UTC    dB Audio  Message
035515  +3  775  KC3YOI LA9GX 73
035545  -7 1531  KC3YOI S57ZS R-12 (x2)
035715 -10 2151  KC3YOI DL8TV JN49 (x3)
040115 -18 1993  KC3YOI OM1CI R-15 (x2)
040145  -7  576  KC3YOI G0AZH IO83 (x2)
040345  -1  880  KC3YOI HB9ALO JN45 (x5)

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