K4NDU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM92

Receiver-side FT8 activity involving K4NDU, decoded by SO8OO in southeastern Poland. 12 related FT8 messages, observed on 20m, across 2 UTC dates. Heard between 2026-06-06 and 2026-06-13.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

20m

First seen: 2026-06-06
Last seen: 2026-06-13 22:41 UTC

Frequent QSO partners observed at SO8OO

Stations K4NDU worked most often, as logged from our receiver:

KC0RWO · United States N8PFK · United States F5RRS · France YV4RCT · Venezuela

Locator transmitted by K4NDU

Approximate centre of EM92, decoded 2026-06-14 00:42 UTC. A transmitted locator is not proof of the operator's permanent location.

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	K4NDU S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-14 00:42	20m	-17 / -	KC0RWO	- / -8	3	✓ Closing fragment
06-14 00:40	20m	- / -10	WA4FU	-8 / -	2	Partial capture
06-14 00:40	20m	-17 / -	YV4RCT	- / -4	3	✓ Closing fragment
06-14 00:36	20m	-18 / -16	F5RRS	+1 / -8	10	✓ Full exchange observed
06-07 00:39	20m	- / -	K1CXS	-14 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
003730  -4 1781  K4NDU F5RRS JN36
003745 -16  700  F5RRS K4NDU -08
003800  -2 1781  K4NDU F5RRS R-16 (x3)
003915 -21 1925  F5RRS K4NDU RR73
003930  +0 1781  K4NDU F5RRS R-16
004030  -7 1259  K4NDU WA4FU -10
004030 -17 1926  YV4RCT K4NDU EM92
004130 -10 1258  K4NDU WA4FU -10
004130 -18 1957  YV4RCT K4NDU R-04 (x2)
004245 -18 1957  KC0RWO K4NDU EM92 (x3)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.