地上 ちじょうデジタルテレビ放送 ほうそうであれば
chijōdejitaruterebihōsōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 地上デジタルテレビ放送

1. If it is terrestrial digital television broadcasting; If terrestrial digital television broadcasting is the case

Ba Conditional