Chapter 5: Radio Signals & Equipment and Chapter 6: Digital Modes
As you advance to General, you’ll gain a deeper understanding of the signals you use to communicate. The methods of constructing transmitters and receivers are also covered. You’ll be able to communicate more effectively as a result.
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- ARRL Technical Information Service - plenty of articles and links about AM
 - About FM - article on how FM works
 - About SSB - article on how SSB works
 - AM Frequencies - a list of AM frequencies
 - Understanding FM Transmitters - a QST article about FM
 - Wikipedia entry on Frequency Modulation - in-depth treatment with the theory
 - Wikipedia entry on Modulation- a comprehensive review of modulation
 - Wikipedia entry on Single Sideband - in-depth treatment with the theory
 
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- ARRL TIS Digital Mode Information - information on most popular modes
 - Get on the Air with HF Digital - all about digital operating on the HF bands
 - Overview of Digital Modes - learn about digital modes
 
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- ARRL TIS Mobile Operating Information
 - Alan Applegate - K0BG's website on mobile equipment and operating
 - Portable Operating for Amateur Radio - portable operating tips and techniques
 
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- ARRL Technical Information Service (TIS) - numerous Web resources and magazine articles on technical topics of interest to all hams
 - ARRL EMI/RFI Resources - a number of resources for managing interference of all types
 - The ARRL RFI Book - helpful information for preventing and solving RF interference problems
 
 
Licensing, Education & Training >> Getting Licensed >> Upgrading to a General License >> General Class License Manual >> Chapters 5 and 6 Signals, Modes and Equipment




