K5MV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM20

Receiver-side FT8 activity involving K5MV, decoded by SO8OO in southeastern Poland. 7 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-27.

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 7 FT8 messages attributed to K5MV as the transmitting token by decoded message structure across 1 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 -9 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-9 dB

Estimated median S/N

Bands

20m · 7

First attributed message: 2026-08-27
Last attributed message: 2026-08-27 23:52 UTC

Observed FT8 message patterns

Attributed sample: 7 messages
Active dates: 1 UTC dates
Estimated median S/N: -9 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 3.

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 K5MV in decoded directed-looking exchanges:

7Z1BQ · Saudi Arabia ×2 9K2GR · Kuwait GJ0KYZ · Jersey MW3FLI · Wales

Most frequent locator attributed to K5MV

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: EM20 · 5 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 9,123 km (approx.)
Last such locator decoded: 2026-08-27 23:51 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	K5MV S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-31 11:39	20m	- / -	M3TLJ	-12 / -	3	Partial capture
08-31 11:39	20m	- / -17	MW3FLI	-4 / -	6	Partial capture
08-30 12:57	20m	- / -	RW0AR	-3 / -	2	Partial capture
08-30 12:50	20m	- / -	RW0AR	-6 / -	8	Partial capture
08-28 03:49	20m	- / -11	4L1MA	+2 / -	5	Partial capture
08-27 23:51	20m	-9 / -9	7Z1BQ	-8 / -13	5	✓ Full exchange observed
08-27 23:50	20m	- / -	5Z4VJ	-20 / -	2	Partial capture
08-27 23:41	20m	- / -	I1RJP	+14 / -	3	Partial capture
08-27 23:40	20m	-2 / -	RI1FJL	- / -	2	Partial capture
08-27 23:35	20m	-12 / -4	7Z1BQ	+2 / -	5	✓ Closing observed
08-20 23:52	20m	- / -1	9K2GR	+8 / -	2	✓ Closing fragment
08-20 22:56	20m	- / -7	TJ1GD	-7 / -	3	Partial capture
08-14 14:06	20m	- / -	I1RJP	-5 / -	3	Partial capture
08-11 14:01	20m	- / -18	GJ0KYZ	-12 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
125315  -6  405  K5MV RW0AR NO66 (x6)
113930  +0  904  K5MV MW3FLI -17
113930  -9 1730  K5MV M3TLJ IO92
114000  -7  904  K5MV MW3FLI -17
114000 -11 1730  K5MV M3TLJ IO92 (x2)
114100 -10  904  K5MV MW3FLI -17 (x4)

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