Hopefully, the instruction book should have the information on that.
Yes, TV antennas will eventually stop working over time.
Sattellite antennas are curved because they will get a better signal or the television would be buffering
You can find good led television on SONY or SAMSUNG's official websites.
The digital TV antennas were made when the analog satellites for TVs went to a Digital satellite. With a converter box and the digital antennas it still makes it possible to use TV that still use the old rabbit ears.
Most people currently have television that do not have antennas because it was required the you get a booster box to pick up certain channels. Howevere, they're are still people that do use antennas.
Antennas
Amplified antennas or antennas with amplifiers are usually the best choices for DTVs. The digital antennas RCA ANT751 and RCA ANT800 receive good reviews . The Channel Master digital antenna CM-3020 is also highly rated as good antenna.
Samsung will be a good choice if you have enough Budget
No, if the outside antenna is in good condition and working there is no need for a indoor one.
There might be a few rare older televisions that have antennas, but nationally across all the tv stations, programing have all switched to digital as accordance with law.
They both have antennas
You can find a good 52 inch LED television at many places. A good place to start looking would be at Best Buy, they usually have good deals on televisions there.