(D)Element 1-19 Other Equip

Question 1

What is the antenna requirement of a radiotelephone installation aboard a passenger vessel?

Answer 1

antenna must be vertically polarized and as non direction and efficient as is practicable for the transmission of reception of ground waves over seawater

Question 1

What are the antenna requirements of a VHF telephony coast, maritime utility or ship station?

Answer 1

the shore or on board antenna must be vertically polarized

Question 2

What is the most common type of antenna for GMDSS VHF?

Answer 2

none of the above

Question 3

What is the purpose of the antenna tuner?

Answer 3

it alters the electrical characteristics of the antenna to match the frequency in use

Question 4

What advantage does a vertical whip have over a long wire?

Answer 4

it radiates equally well in all directions

Question 5

A vertical whip antenna has a radiation pattern best described by

Answer 5

a circle