Today, television programmes come from outer space. TV satellites such as Astra and Hotbird broadcast hundreds of programmes that can be received on earth via a satellite antenna, a so-called "dish". A prerequisite for an interference-free picture is the precise alignment of the aerial. The receiving part, the LNB (Low Noise Block), must be aimed exactly at the satellite, like a finger pointing at a point in the sky. This is not a major undertaking if the "satellite dish" is firmly on land. But what if it sways and rocks? On a boat, pointing your finger is more difficult and becomes a technical challenge if you want to ensure TV reception while travelling. A special antenna with actuators is needed for this job. These direct the dish and thus the LNB towards the selected satellite, even at higher boat speeds and when the boat is moving in rough seas. Due to its oversized dimensions (over 80 cm antenna diameter) and high weight (over 25 kg), this antenna technology was previously only used on larger motor yachts and commercial vessels. For some time now, compact systems have been on the market that can also be used on smaller boats. The most important products in this class for the boating sector are the KVH M3, KVH M5, Raymarine STV 45 and Kerstan PK 5000 antenna systems ...
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