Terrestriaalilähetyksiä
Terrestriaalilähetyksiä refers to terrestrial broadcasting, a method of transmitting television and radio signals via ground-based transmitters. This is distinct from satellite broadcasting or cable television. In terrestrial broadcasting, signals are sent out from antennas at high elevations and are received by individual antennas, commonly known as "terrestrial antennas" or "rabbit ears" for older television sets, or rooftop aerials.
The broadcast spectrum used for terrestrial transmissions is allocated by national regulatory bodies. Historically, terrestrial broadcasting
However, the rise of digital terrestrial television (DTT) has largely replaced analog terrestrial broadcasting in many