KM3V — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: FM19

Receiver-side FT8 activity involving KM3V, decoded by SO8OO in southeastern Poland. 81 FT8 messages attributed to this token as transmitter, on 80m, 20m, across 8 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-12.

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 81 FT8 messages attributed to KM3V as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (57%), followed by 20 m (43%). Most decodes (89%) fell within the six-hour window 23:00-05:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-7 dB

Estimated median S/N

Bands

80m · 46 20m · 35

First attributed message: 2026-06-10
Last attributed message: 2026-09-12 00:45 UTC

Observed FT8 message patterns

Attributed sample: 81 messages
Active dates: 8 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -19 to +12 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 17, moderate (-15 to -9 dB) 19, strong (≥ -8 dB) 45.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with KM3V in decoded directed-looking exchanges:

IU2CAT · Italy UT7UJ · Ukraine Z21ML · Zimbabwe D44TWO · Cape Verde VO2NS · Canada VP8A · Falkland Islands

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to KM3V

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: FM19 · 51 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,310 km (approx.)
Last such locator decoded: 2026-09-12 00:44 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	KM3V S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-12 00:44	80m	-14 / -	VO2NS	- / -11	3	✓ Closing fragment
09-12 00:44	80m	- / -21	IZ2AMW	-9 / -	6	Partial capture
09-05 02:00	80m	-16 / -	RI1FJL	- / -	5	Partial capture
09-02 01:01	80m	-10 / -	RI1FJL	- / -	4	Partial capture
09-02 00:53	80m	-8 / -	RI1FJL	- / -	10	Partial capture
09-02 00:48	80m	-10 / -	D44TWO	- / -17	6	✓ Closing fragment
08-23 01:10	80m	-18 / -	TF3VS	- / -	12	Partial capture
08-23 01:01	80m	-17 / -	VP8A	-17 / -20	5	✓ Closing observed
08-20 06:06	20m	- / -	DL9MCS	+18 / -	3	Partial capture
08-20 06:05	20m	- / -	OE7LVI	+7 / -	2	Partial capture
08-20 06:04	20m	+3 / -	UT7UJ	- / -4	2	✓ Closing fragment
08-20 06:02	20m	0 / -	Z21ML	- / -19	4	✓ Closing fragment
08-20 06:01	20m	- / -	DL9MCS	+18 / -	2	Partial capture
08-20 05:59	20m	- / -	DG1KDD	+9 / -	7	Partial capture
08-20 05:59	20m	+4 / -	Z21ML	- / -	3	Partial capture
07-29 19:44	20m	- / -20	IU2CAT	-4 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
010545 -18 2502  RI1FJL KM3V FM19 (x6)
004430 -14 1688  KM3V IZ2AMW JN45
004445 -15  307  VO2NS KM3V FM19
004500  -7 1688  KM3V IZ2AMW R-21
004515 -14  307  VO2NS KM3V R-11
004530  -6 1688  KM3V IZ2AMW R-21
004545 -13  307  VO2NS KM3V 73
004600  -8 1688  KM3V IZ2AMW R-21 (x3)

20m

UTC    dB Audio  Message
060145 +16  382  KM3V DL9MCS JN58
060145 +11 2085  KM3V DG1KDD JO31 (x2)
060245  -3  673  Z21ML KM3V FM19
060245 +11 2085  KM3V DG1KDD JO31
060315  +1  673  Z21ML KM3V FM19 (x3)
060445  +3  673  UT7UJ KM3V R-04 (x2)
060530  +9  672  KM3V OE7LVI JN57 (x2)
060630 +24  672  KM3V DL9MCS JN58 (x3)

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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