GROL Radio Law and Regulations 2

Question 1

What is the required silence period observed on the international distress frequency of 2182 kHz?

Accepted Answer

Three minutes beginning at h+00 and h+30

Answer

ITU Radio Regulations require 3-minute silence periods on 2182 kHz beginning at the top of each hour (h+00) and the half-hour (h+30).

Question 2

Under FCC rules, which vessels must maintain a watch on VHF Channel 16 while underway?

Accepted Answer

All vessels fitted with VHF radiotelephone equipment

Answer

FCC rules require all vessels fitted with VHF radio equipment to maintain a watch on Channel 16 whenever the station is not being used for another communication.

Question 3

Which license authorizes operation of a radiotelephone installation on a compulsory U.S. vessel operating in international service?

Accepted Answer

General Radiotelephone Operator License (GROL)

Answer

A GROL is required to operate and maintain the radiotelephone installation on compulsory vessels engaged in international service.

Question 4

What is the maximum transmitter power output permitted for a VHF marine radio station?

Accepted Answer

25 watts

Answer

FCC rules (47 CFR Part 80) limit maritime VHF stations to a maximum of 25 watts transmitter power output.

Question 5

How may a ship station identify itself during routine radiotelephone communications?

Accepted Answer

By the vessel's name or its assigned call sign

Answer

FCC Part 80 rules allow a ship station to identify using either the vessel's name or its FCC-assigned call sign.

(GROL) General Radiotelephone Operator License Practice Test

(GROL) General Radiotelephone Operator License Practice Test

GROL Radio Law and Regulations 2