AVDRespice, Adspice, ProspicePremium
Bronx, NYC FWIW my brother has been very sporadically connecting to LTE sites near the Botanical Garden on his Sprint issued iPhone5. He thinks he;s getting AT&T cells open for Sandy, but I'm not to sure.
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Nope. He's getting Sprint LTE. There are a bunch of upgraded (Network Vision) sites in NYC, but only a small fraction have LTE turned on quite yet.
reply to AVD
Theres a bunch of upgraded towers in that area, but most are marked as having 3g only. Maybe they're testing LTE on them. Theres an interactive map on s4guru, but you have to donate to get access.