<prompt> NTSC yakasarudza mitsara ye525 yekuongorora semukana wekuwedzera resolution yemufananidzo. NTSC yakasarudza mitsara ye525 yekuongorora sechinhu pakati peRCAs 441-scan line standard yatove ichishandiswa neRCAs NBC TV network uye Philcos uye DuMonts chido chekuwedzera nhamba yemitsara yekuongorora kusvika pakati pe605 ne800 yakakurudzirwa.  <response>: frequency modulation FM 