In the case of TVs, you get much more gain from a complex outdoor antenna (one with, say, 10–12 dipoles in a parallel "array") than from a simple dipole.
Kwa upande wa TV, unapata faida zaidi kutoka kwa antena changamano ya nje (moja iliyo na, sema, dipole 10-12 katika "safu" sambamba kuliko kutoka kwa dipole rahisi.