Sling TV

Number of households labeled OTA has nearly doubles in the past eight years.

Hulu, HBO Now and Starz round out the top 5, according to Parks Associates.

Four-decade career spanned color TV to satellite radio.

Move represents first time in HBO's history it goes dark on a major pay-TV provider.

Over-the-top, over-the-air service gives customers access to broadcast channels

Promoting free antennas, discounted AirTV Players to qualified subs who prepay for service.