Interactive Wireless / RF Design Utilities
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- Calculates approximate received power levels and fade margins for microwave wireless links.
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- Same as above, but generates a PDF file containing Fresnel zone and radio path graphs.
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- Generates a terrain profile graph and obstruction reports for a microwave radio link between two points.
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- Generates a JPEG image showing the line-of-sight path for a given transmitter location.
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- Generates a JPEG image showing the estimated Longley-Rice path loss for a given transmitter location.
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- Calculates and graphs the required Fresnel zone clearances for a point-to-point link.
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- Get the ground elevation at (almost) any location in the continental United States.
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- Get a graphic 3D representation of the local ground elevations surrounding a transmitter site.
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- Calculates the gain, focal point, and radiation distances for parabolic dishes.
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- Calculates the approximate path loss through an urban area.
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- Calculates the required antenna tilt to compensate for Earth curvature.
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- Calculates the distance and bearing between two geographic points.
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- Estimates the coverage of a vertical antenna pattern.
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- Calculates return loss given forward/reverse power or SWR.
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- Calculates knife edge obstruction attenuation.
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- Converts various values referenced to/from decibels.
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- Calculates gamma in/out from s-parameters, experimental.
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- Design Wilkinson splitters/combiners for use under 400 MHz.
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- Design resistive attenuators.
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- Retrieve the FCC band allocation for any frequency.
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- Convert AC voltages to power.
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- Determines if your ERP will kill people.
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- Calculates the approximate value of an air coil inductor.
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- Calculates the required width for making microstrip transmission lines.
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- Calculates coaxial phase line lengths.
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- Designs simple 3-pole bandpass filters.
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- Designs Pi type networks for transforming impedances.
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- Designs passive loop filters for phase lock loops.
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- Calculates isolation for horizontal & vertical antennas.
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- Calculates potential IMD products in subtractive mode mixers.

