Orbits, Space Flight, Spacecraft:

Excellent real-time Java Visualization tool of all Communication Satellites (Just click on the Satellite to find out its name and orbit, or select a desired Satellite to find its orbit and current position)

The theory of orbital motion and general information related to satellite orbits from Alex da Silva Curiel, Surrey, UK

A general introduction to Space Flight from the JPL (Jet Propulsion Laboratory) at NASA. Includes useful information about the Environment of Space and Space Flight Projects and Operations.

A public source for information about all kinds of spacecraft. Research, communications, astronomy, navigation, and spy satellites

Introduction to Satellite Communications:

Descriptive information on what a Satellite is, what Satellites can do, Satellite Orbits, Anatomy and Construction set, from the Tech Museum

A brief history of (Mobile) Satellite Communications from Advanced Satellite Consulting

Recearch centers, projects, ATN related links and general information

Satellite Constellations:

A comprehensive software environment for modeling, simulating, and analyzing the performance of communications networks, computer systems and applications, and distributed systems.

A powerful and flexible software solution for design and analysis of system architectures, networks, and protocols. The software is a tightly integrated part of the Alta system-level design environment for digital communications, multimedia, networking, and other electronic systems.

With high fidelity, the software lets you quickly and easily analyze and predict the performance of networks ranging from simple LANs to complex enterprise-wide systems.

2) Satellite Orbits, Constellations, Coverage:

A suite of analysis software tools that addresses all phases of a space systems life cycle, from policy development and design to launch and operations. Built to meet the needs of any aerospace mission, it offers unprecedented independence and cross-discipline understanding to analysts and designers at all levels. Developed by Analytical Graphics.

Software for the visualization and analysis of satellite constellations. It has a graphical user interface which includes the following features: 1)Three-dimensional visualization of satellites in orbit around the Earth, 2)Display of satellites' footprints on the Earth's surface and computation of the fraction of the Earth's surface covered by the constellation, and 3)Simulation of a view of the satellites overhead from an arbitrary point on the Earth's surface. Created at the Geometry Center at the University of Minnesota.

Visualyse™ is a simulation tool that runs on a PC which can be used to model a wide range of radio communication systems. The Visual Interference Analysis Software can be used to analyse a wide range of radio communication systems, both satellite (GSO and NGSO systems) and terrestrial systems, and interactions between them.

Helps you manage your satellite communications networks. STAR is a sophisticated software package equipped with accurate data analysis, data reporting and mapping capabilities available. Connect STAR to your Local Area Network(LAN) and you can have access to the database from your desktop computer.

Operates as a receive power node model in OPNET's Transceiver Pipeline (see above) by determining attenuation due to atmospheric effects as well as free-space path loss. PMOD/fctm works by first determining the ground station location. It then accesses the Stanford Telecom® global library of statistical distributions of rain rates, integrated water vapor concentrations, and cloud liquid water contents. These statistics, in conjunction with satellite system parameters and accepted atmospheric attenuation models, are used to produce a measure of total path loss.

3) Additional Software:

 

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