VSat | Antennas
A new line of maritime antennas for satellite communication through a Very-small-aperture terminal (VSAT) on vessels at sea was developed by Pasquali Microwave Systems in collaboration with Navisystem Marine Electronics (http://www.navisystem.com), worldwide leading company in the production of marine satellite antennas.
The latest VSAT Antennas are the outcome of a research project partially funded by Regione Toscana in the framework of POR CReO FESR 2007-2013 European Funding for Regional Development (link: http://www.regione.toscana.it/creo), the segment intended for supporting investments in industrial research and experimental development.
The newly developed maritime VSAT Antennas are:
VSAT antennas were designed and experimentally optimized in order that RF performance meets Eutelsat (http://www.eutelsat.com) standards for VSAT terminal ESV(Earth Station on Vessels). European leader satellite company.
The procedure of antennas characterization and validation to obtain Eutelsat type-approval according to Eutelsat Earth Station Standard M (EESS 502) is currently in progress.
RF Components for maritime VSAT antennas:
Orthomode transducer: component in the RF chain that serves to separate the two orthogonal Rx and Tx signals.
The new PMS OMTs specifically designed for maritime VSAT antennas are:
Waveguide component that, introducing a differential phase shift between orthogonal components of linear orthogonally-polarized signals, converts a linear polarized signals to a circular polarized ones.
It is employed in VSAT terminals that operate in circular polarization.
PMS developed two novel iris polarizer with optimized Tx Axial Ratio performance: