(x86/x64) English | File size: (21.7/22.5) MB

GEOPoint is an easy to use satellite antenna pointing calculator, for geostationary communications satellites.

It calculates the azimuth and elevation pointing angles from a given location on the earth towards a specified geostationary satellite. The program also calculates polarisation tilt angles, estimates dates and s of annual sun-outage events, calculates antenna G/T, EIRP and frequency stability, and estimates path-loss and rain-attenuation based on ITU-R climate models. As used by Hausfeld Consulting for satellite communications planning. an easy to use dialog-style user interface for data entry and calculation;

entry of earth station location coordinates directly, or by clicking on a world map;

select earth station location from a built-in list of world major cities;

display of satellite azimuth and elevation contours on the world map to aid in site selection;

entry of latitude and loude coordinates in d,m,s format, or as decimal degrees;

entry of coordinates in Australian AMG coordinates and automatic conversion to latitude, loude;

calculation of pointing angles to a specified satellite for common types of antenna mount;

display of azimuth pointing angles relative to True North, and relative to local magnetic north;

estimation of antenna movement limits for inclined orbit satellites;

calculation of polarisation tilt angle, loop-back path delay, and required antenna tracking speeds;

estimation of the peak dates and s for sun-interference on the receive link.

Output of a summary report in PDF or HTML format.

ability to zoom the world map one level for more accurate site selection;

ability to save the current map image to file.

ability to save azimuth and elevation contours to a KML file for viewing in Google Earth.

estimation of site altitude from ITU-R world topography model;

select earth station location from a user supplied file containing a list of sites;

view and save a diagram of the GEO Arc visible from the site;

labelling of individual satellites and plotting local horizon and antenna movement limits;

plotting of satellite locations from Norad two-line element or Intelsat ephemeris format orbit data;

display of ITU-R Climate Model data for the specified earth station location;

estimate antenna G/T from user inputs of antenna parameters and frequency;

calculate path loss between the earth station and satellite at a specified frequency using ITU-R propagation models;

estimate the impact of satellite motion on EIRP and frequency stability;

output a batch report of pointing angles from the site, for a list of user selected satellites;

output a detailed report of sun interference dates and s for given receive antenna parameters;

output a detailed report of rain attenuation loss for a range of frequencies and link availability;

output a batch summary report for a list of earth station sites.

Updates: official site does not provide any info about changes in this version.



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