11. A VNA is a form of RF network analyzer widely used for RF design applications. 12. Many utility customers had bought their own network analyzers . 13. A modern network analyzer will have data stored about the devices in a calibration kit. 14. This gives no phase information, and so gives similar data to a scalar network analyzer . 15. Network General has announced a new version of Sniffer Network Analyzer , slated to ship this summer. 16. "' netsniff-ng "'is a free Linux network analyzer and networking toolkit originally written by Daniel Borkmann. 17. The diagram shows the essential parts of a typical 2-port vector network analyzer ( VNA ). 18. General Electric built two full-scale network analyzers for its own work and for services to its clients. 19. The network analyzer needs a test signal, and a signal generator or signal source will provide one. 20. Alcatel also provided TE Data with its 5530 Network Analyzer to support the introduction of broadband services.