Carrier and Sidebands Flashcards
1
Q
Which of the following statements describes the carrier?
A
The carrier is a Radio Frequency (RF) signal that is modulated to carry intelligence.
2
Q
On what frequencies would the J3E emission be used for GMDSS Distress communications?
A
2182.0kHz, 16420.0kHz, 8291.0kHz
3
Q
How many sidebands are present in the J3W mode?
A
One upper sideband
4
Q
What is the signal transmitted in H3E mode?
A
A full carrier and upper sideband
5
Q
What is the signal transmitted in J2B mode?
A
An upper sideband of 2 alternating tones
6
Q
Which of the following statements is true?
A
There are two tones used in J2B mode
