Patent ID: 8346405

Claim:
A method of controlling playback of collected signal data using a computer providing a map interface on a display screen, the method comprising: receiving a signal from a receiver and location data from a global positioning receiver; recording sampled data of the received signal and the location data; displaying a map interface on the display screen having at least a map pane and a signal pane, wherein the map pane displays a map of an area in which the signal and location data was recorded and the signal pane displays a waveform of the recorded signal during playback; displaying graphic markings on the map in the map pane illustrating a path traveled during the recording based on the location data; in a playback mode of operation of the map interface, receiving input by a user of the computer indicating a location selection along the path; determining an entry point for the location selection in the recorded data; and initiating playback of the signal in the signal pane commencing from the entry point.