Chapter 2 Flashcards
AM broadcast band
550 to 1700 kHz
FM broadcast band
88 to 108 MHz
Frequency
The rate at which signals change direction, measured in cycles per second
Radiation
Process of turning the transmitter’s output signal into radio waves that leave the antenna
Wavelength
Distance that a radio wave travels in one cycle. Speed of light / frequency
VLF
Very Low Frequency: 3 kHz to 30 kHz
LF
Low Frequency: 30 kHz to 300 kHz
MF
Medium Frequency: 300 kHz to 3 MHz
HF
High Frequency: 3 MHz to 30 MHz
VHF
Very High Frequency: 30 MHz to 300 MHz
UHF
Ultra High Frequency: 300 MHz to 3 GHz
SHF
Super High Frequency: 3 GHz to 30 GHz
EHF
Extremely High Frequency: 30 GHz to 300 GHz
Speed of light
300 million meters per second (3x10^8). Represented by the letter c.
Convert meters to feet
Multiply by 3.28