For ARQ communications with a Public...

Question 1 / 2077zm1TrVae5DFRPbtTTY

Question 1 of 2077zm1TrVae5DFRPbtTTY

For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.

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Question 1 of 20

77zm1TrVae5DFRPbtTTY

For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.

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🔍 Key Concepts

• ARQ (Automatic Repeat reQuest) telex calling sequence with a public coast station • Role of SELCAL (selective calling) and answer-backs (WRU/AAB) in setting up the link • When the operator should send message text/TELEX codes versus call‑setup signals

💭 Think About

• In an ARQ TELEX call, what must be fully completed before any message text or automatic TELEX codes are sent? Think about link establishment and confirmation. • Which steps are related to setting up the call (getting the attention of the coast station) and which are related to actually exchanging messages? • Compare the options: which one clearly separates call setup (including answer‑backs) from the stage where you start sending the structured TELEX message elements (like DIRTLX, MSG, etc.)?

✅ Before You Answer

• Make sure the exchange of answer-backs (WRU/AAB) happens before you start sending the main TELEX message content. • Confirm that SELCAL/Initiate Call appear (if required) before answer‑backs, since they are part of calling the coast station, not sending the message itself. • Verify that the step where you send items like DIRTLX / MSG / GA comes only after the circuit is established and operator control has been passed (e.g., via OPR+ or similar).

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Question 1 of 20

For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.

Transceiver setup, SELCAL selection, Initiate Call, wait for exchange of answer-backs (WRU-AAB), OPR+, operator entry of the appropriate automatic TELEX code.

Transceiver setup, wait for exchange of answer-backs (WRU-AAB), OPR+, operator entry of the appropriate automatic TELEX code.

Transceiver setup, SELCAL selection, Initiate Call, wait for exchange of answer-backs (WRU-AAB), GA+?, enter DIRTLX xy +, MOM , MSG +? and exchange of terminal answerbacks .

Transceiver setup, wait for exchange of answer-backs (WRU-AAB), GA+? and then send message text.

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Question 1 / 2077zm1TrVae5DFRPbtTTY

Question 1 of 2077zm1TrVae5DFRPbtTTY

For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.

Back

Question 1 of 20

77zm1TrVae5DFRPbtTTY

For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.

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

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