Doug Lung's

RF Column Links: September 1998
From TV Technology Magazine

Tools for Microwave System Planning

Calculating Bandwidth
Fresel Zone Plotting
Path-Loss and Signal Strength Calculation

New Media Corporation
Home page
QAM and QPSK Bandwidth Calculators

Doug Lung's Path Calculation Spreadsheets
Excel Version 5.0 with graphics (compressed)
Lotus WK3 format with graphics (compressed)
Lotus WK1 format without graphics (compressed)
Quattro Pro V5.0 format with Graphics (compressed)

US Geological Survey
Summary of Digital Elevation Models (DEMs) available
Guide to using 1-degree (3-arc second resolution)
DEM data and links to on-line files with data.
FTP File Access to US GeoData
Public Domain Software for use with GeoData

Space and Naval Warfare Systems Center - Tropospheric Branch Software
Elevation database and extensive list of propagation tools

Colin Seymour's RFPROP program
Colin Seymour's RFPROP page. Includes FAQ
RFPROP Version 1.03 (compressed)

Home page
DeLorme Topo USATM

This is a clickable list of Web resources listed at the end of this month's RF Technology column in TV Technogy magazine. More details on the items I write about are often available on the Internet. TV Technology is published twice monthly and my column usually appears in the first issue each month. Free subscriptions are available to professional broadcasting and audio-visual equipment users. Contact TV Technology at +1 703-998-7600 or fax +1 703-998-2966. Be sure to tell them you read about it on Doug Lung's RF Page @

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Last modified August 27, 1998 by Doug Lung
Copyright 1998 H. Douglas Lung