Visually determining Fresnel zone boundaries in a device

A radio frequency (RF) signal Fresnel zone boundary viewing device, the device comprising:

• a line of sight determining component that determines the line of sight between the device and a desired point in the distance for which a user wishes to determine a desired Fresnel zone boundary;
• a user input interface that receives the desired Fresnel zone boundary the user wishes to view and for receives an RF signal frequency;
• a processing component that determines desired Fresnel zone boundary attributes;
• an imaging component that creates a visual representation of an environment between the device and the desired point;
• and
• a display component that displays the desired Fresnel zone boundary overlaying the visual representation.

A system for visually determining Fresnel zone boundaries, comprising:

• a rangefinder, with a processor and a memory, that includes a range component, a location component, a calculation component, and a visual component that operate together;
• the range component that determines a radio frequency line of sight between the rangefinder and a target;
• the location component that determines a location between the rangefinder and the target along the radio frequency line of sight wherein a first distance is from the rangefinder to the location and a second distance is from the target to the location;
• the calculation component that calculates one or more Fresnel zones in the rangefinder for the location and determines one or more radii at the location starting at the radio frequency line of sight that respectively corresponds to the one or more Fresnel zones;
• and
• the visual component that superimposes a circular image, that has one radius of the one or more radii, onto a viewing interface of the rangefinder wherein the circular image is a Fresnel zone boundary.