noun
terrestrial broadcasting
Refers to over-the-air broadcasting using ground-based transmitters, as opposed to satellite or cable. Common in contexts such as TV and radio.
地上波放送は、アンテナがあれば無料で視聴できる。
Terrestrial broadcasting can be watched for free if you have an antenna.
Compound of 地上波 (terrestrial wave) and 放送 (broadcasting).