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V band satellite communication. This news is significant because new tools for testing rf components in the q v band will help ensure the quality of new high throughput satellite payloads. Milstar 1 and milstar 2 military satellites. Ka band 26 40 ghz communications satellites uplink in either the 27 5 ghz and 31 ghz bands and high resolution close range targeting radars on military aircraft. In europe ku band downlink is used from 10 7 ghz to 12 75 ghz for direct broadcast satellite services such as astra.
This communication was between the u s. 60 ghz is attractive for secure satellite crosslinks because it allows for high data rates narrow beams and lying in a strong absorption band of oxygen provides protection. However for broadband communications provider advantech wireless the move to q v band is only marginally on the radar. Used for satellite communications.
Rf components in the q v band. In the last 10 years satellite communication systems have evolved towards constellations with many satellites hundreds and thousands and small satellites orbiting in a large variety of orbits at different altitudes while still using the huge geostationary satellites in the clarke orbit. The x band is used mainly for military communications and wideband global satcom wgs systems. With relatively few satellites in orbit in this band there is a wider separation between adjacent satellites making it ideal for comms on the move cotm applications.
This in effect will yield faster and more reliable communication devices in the q v band. Block diagram of a v band block up converter top and a q band. Satellite operator interest in new bands must be expected as they must look so far ahead. The satellite business for operators especially is a long term one and so future requirements need to be addressed far in advance.
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