Allows searches using various methods to help you find an open FM frequency
in your area; much less restrictive than the FCC's Channel Finder, which
makes for more potential open frequencies.
Handy web site allows you to conduct an FM bandscan from any address/location.
LPFM site-planning tool courtesy of the Prometheus Radio Project.
REC Networks database finds potential open frequencies for Part 15 use.
Labs - Web-Based Mapping
Cool application lets you map the coverage areas of all broadcast outlets in
the United States.
See the "design your own" sections for several online calculators
here to help you compute the dimensions of your desired antenna design.
Calculations by Harry Lythall
Java applets to help with radio circuit design, quite useful for the build-from-scratch
Radio RF Safety Calculator
Radio Tools Menu
This simple-looking drop-down menu on this page has an amazing amount
of links to FCC-approved online calculators, ranging from signal contour
plotters to the LPFM Channel Finder.
This will help you determine
what geographic coordinates you'll need to type in when using the FCC's
LPFM Channel Finder.
- The Web's Topographic Map
Use this site to get detailed topographic maps of your broadcast area
- important for figuring out where to site your antenna for maximum coverage.