K0OTC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: FN22

Receiver-side FT8 activity involving K0OTC, decoded by SO8OO in southeastern Poland. 15 FT8 messages attributed to this token as transmitter, on 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-08-22 and 2026-08-28.

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 15 FT8 messages attributed to K0OTC as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -7 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

20m · 15

First attributed message: 2026-08-22
Last attributed message: 2026-08-28 20:08 UTC

Observed FT8 message patterns

Attributed sample: 15 messages
Active dates: 2 UTC dates
Estimated median S/N: -7 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 9.

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 K0OTC in decoded directed-looking exchanges:

K4CAE · United States ×2 G6DXY · England IU0TYC · Italy DL1RWN · Fed. Rep. of Germany N2KTC · United States SP6JIU · Poland

Most frequent locator attributed to K0OTC

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: FN22 · 10 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 6,955 km (approx.)
Last such locator decoded: 2026-08-28 20:07 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	K0OTC S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 01:01	40m	- / -	F4HXJ	-2 / -	2	Partial capture
09-13 00:46	40m	- / -3	MI7XHT	-13 / -	2	Partial capture
08-28 20:11	20m	- / -19	GM4HCY	+10 / -	5	Partial capture
08-28 20:04	20m	-12 / -	RI1FJL	- / +7	5	Partial capture
08-27 22:06	20m	- / -	HB9TIH	-9 / -	3	Partial capture
08-24 01:47	40m	- / -	DL1RWN	+11 / -	2	✓ Closing fragment
08-23 00:39	20m	- / -9	K4CAE	-5 / -	3	✓ Closing fragment
08-22 12:47	20m	-18 / -	G6DXY	- / -1	2	Partial capture
08-22 12:44	20m	- / -	UT7AM	-2 / -	3	Partial capture
08-22 12:41	20m	-6 / -	G6DXY	- / -	8	✓ Closing fragment
08-11 03:22	40m	- / -20	YO6LM	-2 / -	2	Partial capture
08-10 02:57	40m	- / -7	SP6JIU	+3 / -	4	✓ Closing fragment
07-30 23:10	20m	- / -12	K4CAE	-11 / -	2	✓ Closing fragment
07-27 04:15	20m	- / -	IU0TYC	-9 / -	3	✓ Closing fragment
07-19 02:32	20m	- / -	UT2AU	-18 / -	2	Partial capture
07-16 20:10	20m	- / -	M8KUG	-13 / -	6	Partial capture
07-16 20:07	20m	- / -	M8KUG	-14 / -	2	Partial capture
07-11 23:59	20m	- / -	WV2B	-12 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
020945 -21 1942  K0OTC EB3JT JN01
025730  +4 2897  K0OTC SP6JIU -07 (x4)
032215  +0 2796  K0OTC YO6LM -20 (x2)
021900  -6  488  K0OTC N2KTC 73
014745 +11 2889  K0OTC DL1RWN RR73 (x2)
010100 -19 2175  K0OTC KR2C FN20
004600 -13 2254  K0OTC MI7XHT IO64 (x2)
010145  -2 2996  K0OTC F4HXJ IN87 (x2)

20m

UTC    dB Audio  Message
003945  -7 1078  K0OTC K4CAE -09 (x2)
220600 -10 1905  K0OTC HB9TIH JN36 (x3)
200445  -6  808  RI1FJL K0OTC FN22 (x5)
201100  +9 2759  K0OTC GM4HCY -19 (x5)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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