For NYC reception install a Winegard HD7698P antenna with a antennas direct CPA-19 preamp Above The Roof aimed at about 247 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Here are some Strong and Sturdy antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box.
Here are places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com.
For one Tv connected use No splitter.
For 2 Tv's connected use a HFS-2D , 2 way splitter.
For 3 Tv's connected use a HFS-3D , 3 way splitter.
http://www.hollandelectronics.com , also at ,
http://www.solidsignal.com.
As Always , trees and tree leaves do a real fine job of reducing or blocking Tv reception.
Other buildings do a real fine job of reducing or blocking Tv reception.
Locate the antenna where there is the least amount or no amount of trees and buildings in the direction of reception.