Preface
Acknowledgments
Introduction
1 In the Beginning
The Discovery
The Jovian System
Types of Signals
Localized Sources
The Io Effect.
Source Boundaries
Motion on the Io-CML Plane
Radio Noise Storms
What Frequencies?
A Possible Emission Mechanism
The Jovicentric Declination of Earth (DE)
A Summary of the Periodic Effects
2 Waves
The Electromagnetic Spectrum
Windows on the Universe
The Radio Window
The Ionosphere
Discovery of the Ionosphere
Structure of the Ionosphere
Ionospheric Effects
Absorption
Refraction
Ionospheric Changes
Jupiter Observations and the Ionosphere
Solar Observations and the Ionosphere
3 When to Listen
Time
24-Hour Time
Greenwich Time
Setting Your Clock
Jovian Source Regions
Radio Noise Storm Predictions
Why the Sun’s Position Is Important
Conjunction and Opposition
Jupiter Observing Season
Observing Season with a Tracking Antenna
Observing Season with the Jove Antenna
It’s Best Near Opposition
Visibility Plots
Declination
Hour Angle
Azimuth and Elevation
Jupiter’s Track across the Sky
Radio Jupiter Pro
Jupiter Radio Noise Storm Predictions
Ephemeris
Yearly Visibility Schedule
Jupiter Altitude vs Azimuth Display
Sky Map
Io-CML Plane
Summary 3
4 Radio Jove
School Groups
Radio Jove Equipment
The Jove Receiver
The Jove Antenna
JoveChart
Configurations
Keeping Track of Time
Observing Locations
A Practice Session
Setting Up the Antenna
Connecting the Receiver
Connecting the Computer
The Windows Volume Control
Turn It All On
JoveChart Controls
Setting Up JoveChart
Data Processing
JoveChart Editor
The Observer’s Log
Noise
Lightning and Atmospheric Static
Receiver Circuit Noise
Galactic Background Noise
Man-made Radio Interference
Station Interference
Observing Jupiter
Projects and Experiments
Basic Projects
Intermediate Projects
Advanced Projects
5 Radio Observations of the Sun
The Sun
Solar Cycles
The Radio Sun
The Quiet Sun
The Disturbed Sun
Receiving Solar Bursts
Verifying Solar Bursts
Why Do They Do It?
6 Electronics
Antennas
A Dipole Antenna
Feeding the Dipole
Transmission Line
Decibels
Loss
Gains and Losses
The Half-Power Point (-3 dB)
Beamwidth
Absolute Power Levels
Antenna Gain
Free-Space Dipole Antenna Pattern
Dipole above Ground
The Jove Dipole Array
Other Antennas
Receivers
The Superheterodyne
Direct Conversion Receiver
Receivers for Jupiter
What to Look For in a Receiver
Audio Recording
Tape Recorder
Video Recorder
Computer (WAV or MP3 file)
Signal Strength Recording
Strip-Chart Recording
Developing a Signal Strength Voltage
Digital Recorders
Sound Card
Noise Cancellation
Noise Nulling
Noise Blanker
Noise Limiter
Digital Signal Processing (DSP)
Do You Need a Preamplifier?
Equipment Summary
7 Advanced Measurements
Polarization
Circularly Polarized Antennas
Interferometers
Angular Resolution
Lots of Lobes
Fringe Visibility
Missing Bursts
Spectrographs
Swept Frequency Receiver
Multichannel Analyzer
Resolution
High-Resolution Tape-Slowdown Spectrograph
Acousto-Optical Radio Spectrograph
Fast Fourier Transform Spectrograph
Spectrograph Antennas
8 Calibration
Noise
Noise Voltage
Root Mean Square (RMS) Value
Noise Power and Temperature
Receiver Noise
Receiver Noise Temperature
Noise Measurements
Noise Sources
Using the Calibrator
Set the Dynamic Range
Stairstep Calibration
Power Calculations
Epilogue
Appendix A Recommended Reading
Appendix B Useful URLs
HOME | BEGINNERS | JUPITER | SOLAR | PULSARS | PROJECTS | FAQ | BOOKS | SOFTWARE | SUPPORT | ORDERING | LINKS | EMAIL