Table schema:
CREATE TABLE table_name_16 (years VARCHAR, free_or_pay VARCHAR, transmission VARCHAR, on_demand VARCHAR)

Question: Name the Years which have Transmission of digital satellite, an On demand of no, and a Free or pay of free + ppv?
SQL: SELECT years FROM table_name_16 WHERE transmission = "digital satellite" AND on_demand = "no" AND free_or_pay = "free + ppv"