ancillary and supplementary services ATVA: HD TV Should be a Requirement for Broadcasters As ATSC 3.0 emerges, ATVA wants broadcasters to focus on main TV service before ancillary or supplementary ones Get the TV Tech NewsletterThe professional video industry's #1 source for news, trends and product and tech information. Sign up below.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Rogers Inks Agreement to Deploy Comcast’s Products and Technologies2NextGen TV Launches In Portland, Maine3Mattel to Launch First FAST Channels on Samsung TV Plus4NAB Board Election Results Announced5Amagi Names Richard Perkett Chief Product Officer