Thanks for the responses. The component engineering group are asking for impedance vs freq so that they can compare the graphs to the specs. I was thinking of using a network analyser... Best Regards Charles Grasso Senior Compliance Engineer Echostar Communications Corp. Tel: 303-706-5467 Fax: 303-799-6222 Cell: 303-204-2974 Email: [email protected]; <mailto:[email protected]; > Email Alternate: [email protected]

