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Amateur Extra Class: 2020–2024
Today
Sections
E1: Commission's Rules
E2: Operating Procedures
E3: Radio Wave Propagation
E4: Amateur Practices
E5: Electrical Principles
E6: Circuit Components
E7: Practical Circuits
E8: Signals and Emissions
E9: Antennas and Transmission Lines
E0: Safety
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Element 4
E1
E1B
E1B05
E1B05:
[97.3]
What is the National Radio Quiet Zone?
An area in Puerto Rico surrounding the Arecibo Radio Telescope
An area in New Mexico surrounding the White Sands Test Area
An area surrounding the National Radio Astronomy Observatory
An area in Florida surrounding Cape Canaveral
E1B01
E1B02
E1B03
E1B04
E1B05
E1B06
E1B07
E1B08
E1B09
E1B10
E1B11
E1B12