FAX, NAVTEX

Question 1

What is facsimile?

Answer 1

The transmission of printed pictures for permanent display on paper.

Question 2

What is the standard scan rate for high-frequency 3 MHz - 23 MHz weather facsimile reception from shore stations?

Answer 2

120 lines per minute.

Question 3

What would be the bandwidth of a good crystal lattice band-pass filter for weather facsimile HF (high frequency)
reception?

Answer 3

1 kHz at -6 dB.

Question 4

Which of the following statements about NAVTEX is true?
• The ship receives MSI broadcasts using SITOR-A or ARQ mode.
• NAVTEX is received on 2182 kHz using SSB.
• Receives MSI broadcasts using SITOR-B or FEC mode.
• The ship station transmits on 518 kHz.

Answer 4

Receives MSI broadcasts using SITOR-B or FEC mode.

Question 5

Which of the following is the primary frequency that is used exclusively for NAVTEX broadcasts internationally?

Answer 5

518 kHz.

Question 6

What determines whether a NAVTEX receiver does not print a particular type of message content?

Answer 6

The subiect indicator matches that programmed for rejection by the operator.