We've mentioned in previous posts that the only way it's e.g. Currently on the market to enjoy live satellite TV on moving buses is to install a satellite antenna that creates a link between satellites and the moving bus.
The number of satellite antenna options currently on the market is not very diverse. However, there are some 4-feature satellite antenna models that differ a bit in quality and performance.
The first of these characteristics is their height. There are some antennas on the market with heights around 35-40 cm, depending on the height of the bus they can be installed on the roof. Now we have some commercially available antenna models between 16-25 cm in height that offer a visual improvement to the bus as they don't protrude like that. In addition, this reduction in height is also important as it allows them to be installed in a larger number of different bus models.
The second of these characteristics has to do with the receiving technology they use.
Most of the antennas on the market have a turntable, like a traditional antenna, which is used for amplification and signal reception. Such antennas have a limitation because they cannot work with a satellite elevation that is over 60% of the reception point. This means that in many northern European countries, equatorial regions, Middle East and Africa they are not usable because the position of the satellites requires antennas operating at an elevation angle of over 60%. In this sense, the new array technology allows the antennas to work at altitudes up to 80%, which facilitates the use of the antennas in most places in the world.
The third has to do with the automatic tilt adjustment, which allows trips of several thousand kilometers to be made without having to adjust the tilt of the antenna. Not all antennas on the market have this function and for long-distance buses this is an interesting aspect.
The fourth characteristic lies in the number of outputs of the antenna, which allows independent connection to multiple monitors within a bus to be able to see different channels on each monitor. Almost all antennas on the market have an output to a central monitor that distributes the signal to the rest of the monitors, but there are already antennas that have 2-3 independent outputs, thus allowing to see different channels on different bus monitors.
The fifth feature is the possibility of dual-band and dual-polarity recording, which allows reception of all channels of a particular satellite. Unlike other antennas on the market that only focus on one band or one specific polarity, thus limiting the number of channels that can be received.
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