. 2015 Jun 4;3(2):e63. doi: 10.2196/mhealth.3941
©William Brown III, Mobolaji Ibitoye, Suzanne Bakken, Rebecca Schnall, Iván Balán, Timothy Frasca, Alex Carballo-Diéguez. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 04.06.2015.
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Figure 4.
Antenna sites: Queens Borough, New York. Black circles indicate gaps in service.