Weather information is commonly sent by...

Question 1 / 20dR4u5xN0nl5kb7BmVC5d

Question 1 of 20dR4u5xN0nl5kb7BmVC5d

Weather information is commonly sent by radio in map form by one-way facsimile transmission. Two common parameters which must be set by the receiving station are:

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Question 1 of 20

dR4u5xN0nl5kb7BmVC5d

Weather information is commonly sent by radio in map form by one-way facsimile transmission. Two common parameters which must be set by the receiving station are:

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🔍 Key Concepts

• Weather facsimile (WEFAX) or radiofax charts and how they are received on board • Which settings on a facsimile receiver control how the image size and aspect ratio match the transmitted chart • What parameter on a rotating-drum or scanner-type receiver affects how fast a chart is completed

💭 Think About

• Think about what must be matched between the shore station and the ship so that the weather chart is not stretched, squashed, or slanted. • Ask yourself which pair of parameters sounds like they would be standardized and published for each transmitting station in weather-fax schedules. • Consider which options refer to basic mechanical/electronic timing and line-spacing of the picture rather than more advanced or obscure signal-processing details.

✅ Before You Answer

• Identify which choice mentions a parameter that directly relates to picture scanning rate or drum speed. • Identify which choice mentions a parameter that controls how closely the transmitted and received picture lines line up (picture resolution/line spacing). • Eliminate any options that sound like complex signal-processing jargon not usually adjusted by the shipboard operator for routine weather-fax reception.

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Question 1 of 20

Weather information is commonly sent by radio in map form by one-way facsimile transmission. Two common parameters which must be set by the receiving station are:

Lines-per-inch (LPI), and primary scan direction (PSD)

Frequency shift (FS), and phase response pattern (PRP)

Black-mode signal (BMS), and frequency jitter tolerance (FJT)

Index of cooperation ( IOC ), and revolutions per minute ( RPM )

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Question 1 / 20dR4u5xN0nl5kb7BmVC5d

Question 1 of 20dR4u5xN0nl5kb7BmVC5d

Weather information is commonly sent by radio in map form by one-way facsimile transmission. Two common parameters which must be set by the receiving station are:

Back

Question 1 of 20

dR4u5xN0nl5kb7BmVC5d

Weather information is commonly sent by radio in map form by one-way facsimile transmission. Two common parameters which must be set by the receiving station are:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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