Communication Satellite and Navigation From Space Training

Communication Satellite and Navigation From Space Training

Introduction:

Communication Satellite and Navigation From Space Training Course Description

Several hundred privately owned satellites hurtling though space are currently pulling in revenues exceeding $300 billion per annum. And, over the past 30 years, those impressive revenues have been growing at an average compound rate of 17.5 percent each year. In this 4-day short course, we will use 400 full-color visuals jam-packed with useful information to summarize the salient features of the two most important space-age technologies making those handsome profits possible: commercial communication satellites and international GPS-style radionavigation systems.

Communication Satellite and Navigation From Space TrainingRelated Courses:

Duration:4 days

Skills Gained:

• What are the six most effective ways to launch a commercial communication satellite into a geosynchronous orbit? How do these various approaches compare with one another in terms of practicality, simplicity, and performance?
• How have the 66-satellite Iridium constellation and its competitors revolutionized the capabilities of modern mobile communication satellites?
• What are some of the solutions to the orbital overcrowding now building up so relentlessly along the geosynchronous arc?
• How are today’s ground-based antennas selected, installed, and maintained to achieve optimal communication services?
• How have savvy entrepreneurs managed to manufacture and sell one billion highly capable GPS receivers?
• What powerful new technologies are allowing today’s professional surveyors to position their benchmarks to within subcentimeter accuracy levels?
• What clever technological breakthroughs have made today’s GPS cellphone receivers so simple, accurate, inexpensive, and reliable?

Customize It:

With onsite Training, courses can be scheduled on a date that is convenient for you, and because they can be scheduled at your location, you don’t incur travel costs and students won’t be away from home. Onsite classes can also be tailored to meet your needs. You might shorten a 5-day class into a 3-day class, or combine portions of several related courses into a single course, or have the instructor vary the emphasis of topics depending on your staff’s and site’s requirements.

Course Content:

FIRST DAY

A PRACTICAL INTRODUCTION TO ORBITAL MECHANICS

The Mystery of the Wandering Stars
The Heliocentric Theory of Copernicus
Galileo’s Critical Insights
Kepler’s Laws of Planetary Motion
Isaac Newton’s Clever Generalizations
Conic Sections
Ballistic Trajectories
Velocity Increments
Methods of Obtaining Weightlessness

UNDERSTANDING THE SPECIAL ENVIRONMENTAL PROPERTIES OF SPACE

Exploiting the Three Beneficial Properties of Space
Atmospheric Density
Typical Orbit Decay Rates
The Earth’s Gravitational Field
Gravity Gradient Stabilization
The South Atlantic Anomaly
Magnetic Momentum Dumping
Meteoroids in Space
The Synthetic Meteorite Experiment
The Growing Hazard of Man-Made Space Debris

CHOOSING THE MOST EFFECTIVE SATELLITE ORBITS

Isaac Newton’s Vis Viva Equation
Reaching Escape Velocity
Orbital Energy and Angular Momentum
Gravitational Parameters
Finding the Best Place to Escape from an Elliptical Orbit
The Magic Bouncing Balls
Understanding the Hidden Mysteries of Orbital Mechanics
The High Cost of Launching a Satellite Into Orbit
Gravity Wells
Solving Kepler’s Equation
Nature’s Forces of Perturbations
Nodal Regression and Apsidal Rotation

LAUNCHING SATELLITES INTO THE PROPER DESTINATION ORBITS

Rocket Propulsion Fundamentals
Liquid and Solid Rockets
Cooling a Rocket’s Nozzles
Specific Impulse
The Rocket Equation
The High Cost of Boosting Unburned Propellants
Adding Lightness
Multistage Rocket Design
Staging Techniques
A Typical Orbital Mechanics Smart Card

SECOND DAY

EXECUTING EFFICIENT POWERED FLIGHT MANEUVERS

The Classical Hohmann Transfer Maneuver
Low-Thrust Transfer to the Geosynchronous Arc
Multi-Impulse Maneuvers
Pure Plane Change Maneuvers
Finding the Optimal Plane-Change Split
The Bi-Elliptic Transfer
Relative Motion Plots
Walking Orbit Maneuvers
Rendezvous in Space
Geosynchronous Servicing Missions
Deorbiting Hazardous Space Debris

COMMERCIAL COMMUNICATION SATELLITES

Arthur Clarke’s “Wire World” Article
Passive Communication Satellites
The Echo Balloon
Project Big Shot
Project West Ford
Modulation Techniques
Active Communication Satellites
Geosynchronous Comsats
Today’s Emerging Population Explosion Along the Geosynchronous Arc
Supersynchronous Transfer Maneuvers
A Tragic Fate of Superbird 6
Orbital Overcrowding
America’s Earliest Orbital Antenna Farm
The Russian Globus
Building and Testing a Personal Communication System

SERVING TODAY’S MOBILE COMMUNICATION USERS

Constellation Selection Trades
Evaluating the Orbital Environment
Factors That Influence the Cost and Complexity of the Constellations
The Advantages and Disadvantages of the Various Flight Regimes
Low Altitude Telegraph-Style Constellations
Low Altitude Voice-Messaging Systems
The Beneficial Properties Found at Geosync
Geosynchronous Coverage Characteristics
The Beneficial Properties of Medium-Altitude Constellations
TRW’s Swarm of Odyssey Satellites
ELLIPSO’s Elliptical Orbit Constellation
Orbital Location Comparisons
Crystal Ball Predictions for Century 21

THIRD DAY

SELECTING THE PROPER CONSTELLATION ARCHITECTURE

What is a Constellation?
Constellation Comparisons
What is the Largest Constellation Ever Launched Into Space?
What is the Smallest Constellation That Can Cover the Earth?
John Walker’s “Rosetta’ Constellations
John Drain’s Elliptical Orbit Constellation
Useful Constellations That Cover a Portion of the Earth
Constructing Repeating Ground-Trace Orbits
The “Space Eggs” Computer Simulation Program
Selecting the Most Effective Satellite Constellations
Polar “Birdcage” Constellations
The Iridium Satellites
Sun-Synchronous Orbits
Full-Sun Sun Synchronous Orbits
Early Space-Age Constellations
Evaluating the Coverage Characteristics of a Typical 3-Plane 24-Satellite Constellation

SPACE-BASED RADIONAVIGATION

Active and Passive Radionavigation
Achieving Global Coverage with Ground-Based Navigation Stations
The Transit Navigation System
Gravity Gradient Stabilization
Disturbance-Compensation Systems
Dual-Frequency Ionospheric Corrections
Selecting the Proper Mask Angle to Minimize Tropospheric
Signal Distortions
The GPS and Its Precise Timing Pulses
The Historical Evolution of Precision Timing Measurements
Understanding the Fundamental Principles of Cesium and Rubidium Atomic Clocks
Putting the GPS in Your Cellphone
Miniaturizing Space-Qualified Atomic Clocks
Solving for the User’s Position
Solving for the User’s Velocity
Websites and Other Useful Sources of Information

THE NAVSTAR GLOBAL POSITIONING SYSTEM

The Sabreliner Business Jet’s Flight to the Paris Air Show
Signal Structure and Pseudorandom Codes
Phase Shift Key Modulation
Spread Spectrum Processing Techniques
Dual-Frequency Ionospheric Corrections
Mathematical Modeling of the Tropospheric Delays
Real-Time Corrections for Einstein’s Theory of Relativity
Relativistic Corrections Due to Orbital Eccentricity
Inverting the Navigation Solution
The 50-Bit-Per-Second Data Stream
Module-2 Data Encryption
Control Segment Operations
Six Giant Steps Toward GPS Modernization
Geographic Information Systems

TODAY’S POPULAR GPS RECEIVERS

Special Properties of the GPS Waveform
Signal Processing Techniques
A Special One-Page Annotated Block Diagram
Designing Efficient GPS Antennas
The Ball Aerospace Ceramic Microstrip Antennas
Phased-Array Null-Steering Antennas
Harmonic Interference from Local Broadcast Stations
Commercially Available Jammers
Code-Tracking and Carrier-Tracking Loops
Hand-Held Receivers
Classroom Demonstration of the Garmin Nuvi with Its Full-Color 3D Displays
Chipset Technology
Miniaturized Chipsets Capable of handling the Receiver’s Front-End Operations and Its Digital Processing Functions
Equipment Lists for Static Surveying

FOURTH DAY

INTEGRATED NAVIGATION SYSTEMS

Intertial Navigation Technology
Galileo’s Clever Pendulum Experiments
Max Schuller’s Physical Insights
Gimbaled and Strapdown Inertial Navigation Systems
Ring Laser Gyros
The Relativistic Origins of the Sagnac Effect
Fiber-Optic Gyros
GPS Simulators
Modern MIMS Technology in the World of Navigation
Closed-Loops and Open-Loop Implementations
Building Effective Solid-State Accelerometers
Kalman Filtering Techniques
Popular State-Variable Selections
Surveying and Geodesy: Measurements and Concepts

DIFFERENTIAL NAVIGATION AND PSEUDOSATELLITES

Solutions with and without Differential Navigation
The Data Exchange Protocols Recommended by Special Committee 104
Determining the Necessary Pseudorange Corrections
Side-Tone Data Distribution
Differential Corrections Broadcast by Today’s Geosynchronous Satellites
Wide-Area Differential Navigation
Yuma Arizona’s Inverted Test Range
Some Special Problems Associated with the Ground-Based Atomic Clocks
Finding the Proper Locations for the Pseudosatellites
Performance Comparisons: Differential Navigation and Pseudosatellites
Geosynchronous Overlay Satellites
Fledging Overlay Constellations from Russia, China, India, and the Europeans
Omnistar’s Precise Surveying Techniques

CARRIER-AIDED SOLUTIONS

Interferometry Concepts
Altitude Determination Using the GPS Satellite Signals
Code-Free Position-Fixing Techniques
Surveying Hardware from Trimble Navigation
Resolving the Solutions Ambiguities
The Magic Powers of Subtraction
Spaceborne Position-Fixing for the Topex Oceanographic Satellite
Motorola’s Surprisingly Accurate Monarch Receiver
Altitude Errors Associated with the Topex Solutions
Timing Corrections Related to Einstein’s Theory of Relativity
Simple Derivations of Einstein Theory of General Relativity
Relativistic Corrections Induced by the Satellite’s Orbital Eccentricity

SPACE-AGE SURVEYING TECHNIQUES

The GPS-Inspired Revolution in Terrestrial Surveying Benchmark Position-Fixing Techniques GPS Positioning Compared With Classical Optical Surveying Measuring the Earth’s Geopotential Surface The Science of Geodesy Test Results from the Turtmann Test Range Monitoring the Motion of the Wandering Poles On-Orbit Positioning Signals A Typical 6-Channel GPS Receiver Modern GPS Surveying and Field Test Procedures

THE GPS SATELLITES

Studying a Typical GPS Satellite of Modern Design
The Eight Major Vehicle Subsystems
Subsystem Connectivity
The Block IIF Performance Requirements
On-Orbit Test Results
Designing and Building a $10 Million Thermal Vacuum Chamber
The Anechoic Chamber
Launch Sequences and Candidate Boosters
Executing Simple and Effective Stationkeeping Maneuvers
Nodal Regressions Induced by the Earth’s Equatorial Bulge
The Keplerian Orbital Elements Broadcast by the GPS Satellites
Closed-Form Equations Defining Each Satellite’s Earth-Fixed Position Coordinates and Velocity Components
Viewing Geometry and Earth Shadowing Characteristics
Crystal Ball Predictions

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Time Frame: 0-3 Months4-12 Months

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