High efficiency wire antennas.

Really slick magnetic field sensors. And the electronics to interface them.

Over thirty years in magnetic field measuring and testing; products include gaussmeters, fluxmeters, and measuring coils

Powerful Neodymium and Ceramic magnets and other products, sold new and surplus and at wholesale prices. Site also has a FAQ for magnets and electromagnetism, and magnetic demonstration images.

Bartington Instruments manufacture fluxgate magnetometers, magnetic field sensors and magnetic susceptibility systems for soils and rocks

Transformers, current transformers, voltage dividers, electromagnets, X-ray power supplies, pulse forming networks.

Manufactures advanced magnets, cryostats and SRF cavities. The company provides low cost equipment and a variety of services to scientific community of accelerators, superconductivity and cryogenics.

Precision Magnetic Field measuring instruments, and fiber optically linked Distributed Control Systems.

Real-world signals contain wanted and unwanted information. Therefore, some kind of electronic filtering technique must separate the two before processing and analysis can begin.

Neodymium rare earth magnets, steel bar magnets and horseshoe/U-shape magnets for science education, industry and magic.