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

http://www.nmcfast.com/

Home page

http://www.nmcfast.com/calculator.htm

QAM and QPSK Bandwidth Calculators

Doug Lung's Path Calculation Spreadsheets

US Geological Survey

http://nsdi.usgs.gov/nsdi/products/dem.html

Summary of Digital Elevation Models (DEMs) available

http://edcwww.cr.usgs.gov/glis/hyper/guide/1_dgr_dem

Guide to using 1-degree (3-arc second resolution)
DEM data and links to on-line files with data.

http://edcwww.cr.usgs.gov/doc/edchome/ndcdb/ndcdb.html

FTP File Access to US GeoData

http://edcwww.cr.usgs.gov/doc/edchome/ndcdb/public.html

Public Domain Software for use with GeoData

Space and Naval Warfare Systems Center - Tropospheric Branch Software

https://sunspot.spawar.navy.mil/543/software/

Elevation database and extensive list of propagation tools

Colin Seymour's RFPROP program

http://www.users.dircon.co.uk/~netking/freesw.htm

Colin Seymour's RFPROP page. Includes FAQ

http://www.transmitter.com/rfiles/rfp103.zip

RFPROP Version 1.03 (compressed)

DeLorme

http://www.delorme.com/

Home page

http://www.delorme.com/topousa/

DeLorme Topo USA^TM

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 @ transmitter.com.

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Last modified August 27, 1998 by Doug Lung dlung@transmitter.com
Copyright © 1998 H. Douglas Lung