IEEE Standards is a world leader in the development and dissemination of voluntary, consensus-based industry standards involving today's leading-edge electro-technology.

650000 on-line articles from 12000 journals or conferences. Different levels of subscription are possible.

The Internet Society (ISOC) is a nonprofit organisation founded in 1992 to provide leadership in Internet related standards, education, and policy. With offices in Washington and Geneva, it is dedicated to ensuring the open development, evolution and use of the Internet for the benefit of people throughout the world

Engineering standards, specifications, technical books, and more technical resources for engineers, technicians, scientists and other technical people.

AMSAT is a worldwide group of Amateur Radio Operators who share an active interest in building, launching and then communicating with each other through non-commercial Amateur Radio satellites. AMSAT designs, constructs and successfully launches communications satellites into Earth orbit.

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