3. Radio Waves Flashcards
1
Q
At what speed do radio waves propagate?
A
Radio waves propagate at the speed of light. (3 x 10 E8 m/s).
2
Q
What are the characteristics of radio waves other than going straight?
A
Radio waves penetrate, reflect, attenuate, diffract and refract.
3
Q
How many bands are radio waves catagorized into?
A
Radio waves are categorised into 9 bands.
4
Q
What radio frequency bands do microwaves fall into
A
Microwave is a generic term for SHF and EHF.
Often microwaves are categorised as starting at 1 GHz which is in the upper UHF band
5
Q
What communication applications are microwaves used for
A
Microwaves are used for radar equipment and satellite communications.
