Of course if you live in an apartment that may not work.
http://users.wfu.edu/matthews/misc/dipole.html https://www.w9dup.org/technet_files/folded_dipoles_vhf_uhf_y...
UHF only goes up to channel 52 now, though. Before 2009 it went up to channel 70, and before 1983 UHF went all the way up to 83.