Johnny Diaz's Article in Communications

765 Microwave Sources
High power microwave sources use specialized vacuum tube to generate microwaves. In electronics, a vacuum tube, also referred as electron tube in North America, and thermionic valve elsewhere, especially in Britain, reduced to simply “tube” or “valve” in everyday parlance, is a device that relies on the flow of electric current through a vacuum.
Posted on Feb-06-2012

486 Mesh Networking: Examples
The following are some examples of mesh networking, a type of networking where each node should not only capture and disseminate its own data, but also serve as a relay for other nodes; it must collaborate to propagate the data in the network.
Posted on Jan-24-2012

594 Ku Band in the Western Pacific
Ku band, according to the IEEE Standard 521-2002’s radar frequency band nomenclature in radar applications, ranges from 12-18 GHz on the electromagnetic spectrum in the microwave range of frequencies which can be found directly below (or up for some, depending on the point of reference) K band.
Posted on Jan-10-2012