K9MK — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM12

Receiver-side FT8 activity involving K9MK, decoded by SO8OO in southeastern Poland. 4 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-23.

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 4 FT8 messages attributed to K9MK as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The available sample contains attributed decodes on 40 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

40m · 4

First attributed message: 2026-08-23
Last attributed message: 2026-08-23 03:50 UTC

Observed FT8 message patterns

Attributed sample: 4 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 K9MK in decoded directed-looking exchanges:

9J2FI · Zambia DL1SVI · Fed. Rep. of Germany DL5DQZ · Fed. Rep. of Germany F1DXP · France F4BYA · France F5LPL · France G3ZSU · England IN3WZS · Italy M0UTD · England OT7K · Belgium PA0ABM · Netherlands PA3T · Netherlands

Most frequent locator attributed to K9MK

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: EM12 · 2 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 9,050 km (approx.)
Last such locator decoded: 2026-08-23 03:49 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	K9MK S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-30 06:28	40m	- / -10	HB10GBT	-10 / -	2	Partial capture
09-30 06:26	40m	- / -19	DL1SVI	+5 / -	2	✓ Closing fragment
09-30 05:48	40m	- / -	9A6OY	-16 / -	3	Partial capture
09-30 05:46	40m	- / -1	F1DXP	-2 / -	2	✓ Closing fragment
09-30 05:43	40m	- / -	IU1TLG	-9 / -	3	Partial capture
09-30 05:40	40m	- / -5	OT7K	+4 / -	2	✓ Closing fragment
09-28 06:15	40m	- / -	DG3YEV	+2 / -	4	Partial capture
09-28 06:13	40m	- / -14	PA0ABM	-3 / -	3	✓ Closing fragment
09-28 06:08	40m	- / +2	IN3WZS	0 / -	4	✓ Closing fragment
08-28 06:18	40m	- / -13	DL3OCF	+3 / -	3	Partial capture
08-28 06:15	40m	- / -3	M0UTD	-4 / -	3	✓ Closing fragment
08-28 06:06	40m	- / -	DK4RH	-11 / -	2	Partial capture
08-28 06:06	40m	- / -	OZ6YN	-7 / -	8	Partial capture
08-28 06:00	40m	- / -8	PA3T	-3 / -	4	✓ Closing fragment
08-28 05:59	40m	- / -	SP9QMN	0 / -	3	Partial capture
08-28 05:59	40m	- / -	SP6FME	+9 / -	3	Partial capture
08-28 05:55	40m	- / -11	DL5DQZ	+6 / -	17	✓ Closing fragment
08-28 05:55	40m	- / -	SP8NFO	0 / -	2	Partial capture
08-28 05:53	40m	- / +5	G3ZSU	+3 / -	2	✓ Closing fragment
08-23 03:49	40m	-9 / -	9J2FI	- / -6	4	✓ Closing fragment
08-17 21:43	20m	- / -	DL1R	0 / -	8	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
062215 -15 1295  K9MK F5LPL RR73
054015  +3 2242  K9MK OT7K -05 (x2)
054330  -9 1834  K9MK IU1TLG JN35 (x3)
054645  -1 2804  K9MK F1DXP -01 (x2)
054815 -18 2472  K9MK 9A6OY JN83 (x3)
062630  +4  903  K9MK DL1SVI R-19 (x2)
062800  -9 1472  K9MK HB10GBT -10 (x2)

20m

UTC    dB Audio  Message
213930  -3 1213  K9MK EA3AKY JN01
214330  -5 2658  K9MK DL1R JN58 (x8)

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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