Your location has many Strong signal strength Tv stations/channels.
I agree aim a Antenna Craft C290 at about 130 degree magnetic compass.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html
If the roof/attic is the standard wood frame with flat composition shingles and no metal backed insulation then put the antenna in the attic.
If the roof/attic has a , metal roof , metal backed insulation , thick roof tiles , solar panels , then mount the antenna above the roof.
Here are some above the roof 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 by antennas and etc. ,
http://www.solidsignal.com ,
http://www.antennacraft.net ,
http://www.amazon.com.
The signals are strong , no amplifier is required.
For 1 tv connected use no splitter.
For 2 Tv's connected use a 2 way splitter.
For 3 Tv's connected use a 3 way splitter.
For 4 Tv's connected use a 4 way splitter.
The Tv's Must Channel Scan for the Digital Broadcast Tv Channels sometimes named the 'Air Channels" or "Antenna Channels' in the Tv setup menu because the Tv transmissions travel through the air from the transmitting antenna to the receiving antenna.
DO NOT channel scan for cable tv channels.