The following is a Teleview recommendation for broadcast Tv reception.
The second floor balcony that faces north east.
If a antenna were out on the balcony , is there clearance to the south east to aim a antenna to the south east??
What directions does the street run that has the cars??
Are there any windows that face , south east , south??
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Try a Winegard FV-HD30 on the balcony , aimed at about 120 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
The best way to get the coax from the balcony to inside the apartment is a hole through the wall.
Here is another way.
http://www.hollandelectronics.com , or at ,
http://www.solidsignal.com.
# 144823 flat antenna coax .
Also try the FV-HD30 in , south east , south , window.