Practice Test Geeks(GROL) General Radiotelephone Operator License Practice Test
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Radio Law and Regulations Flashcards

7 cards from real GROL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Radio Law and Regulations flashcards as text

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

    Answer: Three minutes beginning at h+00 and h+30

    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).

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

    Answer: All vessels fitted with VHF radiotelephone equipment

    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.

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

    Answer: General Radiotelephone Operator License (GROL)

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

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

    Answer: 25 watts

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

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

    Answer: By the vessel's name or its assigned call sign

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

  6. What is an operator's obligation upon receiving a distress signal from another vessel?

    Answer: Acknowledge the signal and render assistance if possible

    SOLAS and FCC rules require that upon receiving a distress signal, an operator must acknowledge receipt and render assistance as circumstances permit.

  7. When is a ship station permitted to transmit routine messages on 2182 kHz?

    Answer: Never — 2182 kHz is reserved for distress, urgency, safety, and calling only

    2182 kHz is designated exclusively for distress, urgency, safety, and calling purposes; routine communications must be conducted on designated working frequencies.