urgentcomm » SMT

Computer analysis of intermod requires a pragmatic approach A prescription for an effective computer program to calculate intermod includes practical and user-friendly techniques for entering and analyzing data.

Published Sunday, September 01, 1996

Some good programs for calculating intermodulation interference (intermod) are available, and most people with technical responsibilty for communications sites keep at least one program available on their computer. Unfortunately, many programs seem to be "user-antagonistic." Some programs in DOS do not permit making a correction to a frequency that was entered incorrectly; you have to start all over again. Many perform endless calculations of frequency combinations and multiples that are entirely unlikely to produce intermod at any measurable level. Most programs fail to permit the user to tag the frequencies to make it possible to identify the licensee.

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