防災 ぼうさい行政 ぎょうせい無線 むせんじゃありませんでした
bōsaigyōsei musenja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 防災行政無線

1. Was not a disaster prevention administrative radio.; Was not a disaster warning radio.

Past/Perfective
Negative
Polite
Terminal Form