H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Arrangement for monitoring the operation of a transmitter antenna system, method for monitoring, and a detection arrangement that can be used in the arrangement for monitoring
"Système de transmission comportant au moins une station satellite munie de circuits alimentés à partir d'une source d'énergie et station satellite convenant à un tel système".