+=>
As examples.
Of 2 UHF/VHF antennas.
-----------
The HD1200 antenna has the longer width metal reception elements toward the back of the antenna for reception of VHF low band channels 2 thru 6 , and also receives VHF high band channels 7 thru 13 and UHF channels 14 thru 51.
http://www.antennacraft.net/pdfs/HD1200.pdf.
-----------
The HBU33 antenna has the shorter width metal reception elements to ward the back of the antenna for reception of , VHF high band channels 7 thru 13 and UHF channels 14 thru 51.
http://www.antennacraft.net/pdfs/HBU33_.pdf
-----------
Of the 2 antennas , the one that looks the most like the antenna at your mothers house is??
-----------
Here are more antennas ,
http://www.kyes.com/antenna/pointing/pointing.html