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SDR Spatial Filtering Demo – Watch It Work

sdr spatial filtering demo

This GNURadio SDR spatial filtering demo shows how you can eliminate local RF interference using coherent sampling on two radio channels with different antennas.  Read more

Local RFI Signal Content – Four Basic Types

local rfi signal content

Let’s consider the four basic types of local RFI signal content. We will see when and where a noise canceler can make a critical difference to your radio listening.  Read more

Local RFI – Taming Neighborhood Noise

local rfi

Every ham or shortwave listener struggles with local RFI. This article kicks off a new series on how to use noise cancelers and get your spectrum back.  Read more