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On 3 Feb 99, at 17:42, owner-sowacs@aqua.ccwr.ac.za wrote: > Dear Andrew, > You made the following remark: > >>You should be aware that the Campbell Sci CS615's are not true TDR and > they measure the dielectric constant at a lower frequency range than TDR.<< > Can give me an estimate for this frequency range or the frequency that > dominates the measurement. > Max Hilhorst I can tell you that rise & fall times would indicate that the highest frequency components are about 200 MHz. -------------------------------------------------- Russell Anderson Campbell Scientific, Inc. (435) 750-9697 815 W. 1800 N. (435) 750-9639 FAX Logan, UT 84321 russell@campbellsci.com -------------------------------------------------- Free Email by Pegasus Mail - http://www.pegasus.usa.com I was not lying. I said things that later on seemed to be untrue. -- Richard Nixon, discussiong Watergate in a 1978 interview.