Navigation

For the entry level applications such as personal navigation, car navigation etc and low cost accessories, SED markets a wide range of products from its principal GTRAX.

Ionospheric Research

GPS Silicon Valley of USA headed by Dr. AJ Van Deriendronck, who is one of the well known experts in Ionospheric research manufactures highly sophisticated GPS based ionospheric calibrators. These products such GSV 4004A are used by reputed research establishments world over for the study of ionospheric properties such as TEC, scintillatio.