Earlier this year we featured an article on artist and researcher Nickolay Lamm. He was responsible for demonstrating what WiFi would look like if it was visible to the eye in a series of beautifully designed and thought-out images. In his latest project Lamm has visualised what the signals provided by multiple networks of cell phone towers would like in various locations across America.
The wide, flat signals are displayed as colours that represent different frequencies. The size of each grid, which represents the towers were determined by the number of cellphone signals that pass through in Chicago, Washington D.C, Los Angeles and New York. Lamm enlisted the help of Dr Danilo Erricolo, Professor of Electrical Engineering and Computer Science and Fran Harackiewicz who explain the images in more detail:
The area within each sector antenna radiation pattern has different users being assigned different frequencies and their signals combine to form a single perceived color in that instant. Different channel combinations from sector to sector are indicated by different colors. The channel combinations shown are not static, but rather change rapidly in time as different users are assigned different channels. But, if you were to take a photo of these rapid changes, you’d likely see a wide array of colors as seen in the illustration.