4.Gmdss part 1

Which of the following frequency bands would most likely provide reliable communications between two

stations that are 100 miles (160 km) apart?

• A. The Low Frequency (LF) band.

• B. The High Frequency (HF) band.

• C. The Very High Frequency (VHF) band.

• D. The Medium Frequency (MF) band.

Which system has the least effective radius of operation?

• A. VHF DSC

• B. HF SITOR (NBDP)

• C. MF SITOR (NBDP)

• D. NAVTEX

What is the emission designation for MF-HF voice signals?

• A. F1B

• B. J2B

• C. F3E

• D. J3E

What is the emission designation for VHF-FM?

• A. F3C

• B. F3E

• C. J2B

• D. H3E

On what frequencies would the J3E emission be used for GMDSS Distress communications?

• A. 2182.0 kHz, 16420.0 kHz or 8291.0 kHz.

• B. 2182.0, 2187.5 KHz or 8414.5 kHz.

• C. 8414.5 KHz, 8291.0 kHz or 8376.5 kHz.

• D. 4125.0 kHz, 16420.0 kHz or 4177.5 kHz.

What is the frequency range for Medium Frequency?

• A. 10-30 MHz

• B. 1,000-10,000 kHz

• C. 300-3,000 kHz

• D. 30-300 kHz

What is the frequency range for High Frequency?

• A. 300-3,000 kHz

• B. 30-300 MHz

• C. 10-30 MHz

• D. 3-30 MHz

What is the frequency range for Very High Frequency?

• A. 30-300 MHz

• B. 3-30 MHz

• C. 300-3,000 kHz

• D. 10-30 MHz

What is the frequency range for Ultra High Frequency?

• A. 3-30 MHz

• B. 300-3,000 MHz

• C. 30-300 MHz

• D. 10-30 MHz

What is the frequency range for Super High Frequency?

• A. 30-300 GHz

• B. 3-30 GHz

• C. 300-3,000 MHz

• D. 30-300 MHz