Articles on the correct placement of ferrite noise suppressors are common, but little has been written about the different options and where to buy them. This page contains an interesting comparison of several ferrite types used to reduce RFI.
Design and construction of a mini satellite-antenna rotator. It used some small DC motors and a novel combination of 3D magnetometers and accelerometers to provide absolute azimuth and elevation feedback.
QRM.guru has been developed to assist radio hams in dealing with RF noise. This is an educational and reference resource.
A dynamic graph of current and past solar cycle sunspot number progression and F10.7 cm radio flux progression. In both plots, the black line represents the monthly averaged data and the purple line represents a 13-month weighted, smoothed version of the monthly averaged data.
Largest range of Electronic Kits and Components for the Radio Experimenter in Australia
Strictly Ham has a large retail presence in Australia and welcomes inquiries from New Zealand, the Pacific and Asia. Strictly Ham offers a comprehensive range of high quality Amateur, CB and Marine products, based in Victoria Australia