John Sellers
John is a wireless signal optimization engineer for a major wireless phone service provider in the United States. He is considered a specialist in finding the perfect ratio of power input to signal output for cell phone towers to enhance coverage in rural areas. This allows his company to add an extra pixel of coverage on their marketing and advertising maps without having to spend additional money building more cell towers. If you've ever wondered why when standing in your back yard your phone shows two solid bars of coverage yet you still can't make a phone call you can thank John.
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