An Introduction to Amateur Radio. The purpose of Amateur Radio “To encourage self- training in...
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![Page 1: An Introduction to Amateur Radio. The purpose of Amateur Radio “To encourage self- training in radio”](https://reader036.fdocuments.us/reader036/viewer/2022082402/5697bfdb1a28abf838cb0583/html5/thumbnails/1.jpg)
An Introduction to Amateur Radio
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The purpose of Amateur Radio
“To encourage self- training in radio”
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Education vs Training
STELAR: Education
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Foundation LicenceFoundation Licence
Technical BasicsTechnical Basics
The The BIGBIG 3 3
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The Big 3The Big 3
• Current (Amps)
• Resistance and Impedance (Ohms)
• Potential Difference (Volts)
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A peculiar way of thinking?
Current as electron vibration
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A peculiar way of thinking?
Resistance: transfer of electron energy to atoms resulting in energy dissipation by heating.
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A peculiar way of thinking?
Electrical Potential = energy possessed by electrons
Potential Difference = energy transferred from electrons to a
component
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V = IR
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Battery / Cell provides Potential Difference for circuit
Battery/Cell source of Direct Current (DC).
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Frequency
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Electrical mains 50 Hz
Hearing 100 – 15000Hz
Audio comms 300 – 3000 Hz
Frequencies you should know
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300MHz- 3000MHzUHFUltra High
Frequencies
30MHz- 300MHzVHFVery High
Frequencies
3MHz- 30MHzHFHigh Frequencies
300kHz- 3MHzMFMedium Frequencies
RangeAbbreviationName
Radio Frequencies to know
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