Chapter 5 – Radio Signals and Equipment
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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Schematics and Circuit Diagrams
- How to Read Circuit Diagrams, Part I - this may be old, but it's accurate!
- How to Read Circuit Diagrams, Part II
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- Wikipedia entry on Modulation- a comprehensive review of modulation
- ARRL Technical Information Service - plenty of articles and links about AM
- Williamson Labs AM illustration page - animated page showing how AM works
- AMfone - a Web site about AM operating on the HF bands
- Williamson Labs SSB illustration - animated page showing how SSB works
- Wikipedia entry on Single Sideband - in-depth treatment with the theory
- Understanding FM Transmitters - a QST article about FM
- Williamson Labs FM illustration page - animated page showing how FM and PM work
- Wikipedia entry on Frequency Modulation - in-depth treatment with the theory
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- ARRL TIS Digital Mode Information - information on most popular modes
- ARRL’s HF Digital Handbook - all about digital operating on the HF bands
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- ARRL TIS Mobile Operating Information
- Your Mobile Companion by Roger Burch, WF4N - an introduction to mobile operation
- Amateur Radio On the Move - portable operating tips and technique
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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
- FCC TV Interference Handbook - the FCC’s guide to managing interference to television receivers
- The ARRL RFI Book - helpful information for preventing and solving RF interference problems
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