Тест по Officers onboard about Radio Communication (GMDSS) (CES v6.0)

What information has to be given to set up a radio telex-connection with a coast-station:

To receive distress alerting and MSI via an Inmarsat-C set vessels must have:

What is the meaning of the abbreviation “RQ” at the end of a DSC sequence?:

The ship-shore HF-telephone-channel 2 228 consists of the frequencies 22 081,0 kHz and 22 777,0 kHz. In case of manual operation, one should tune the receiver on:

What is the most important factor influencing the HF range?:

The impedance of a coax cable for the VHF-set depends on:

The sensitivity of a communication receiver can be adjusted with:

On the MF/HF transmitter-receiver there is a sensitivity control. Another name for this is:

MUF stands for:

Reflection of radio waves in the ionosphere depends on:

According to the rules of GMDSS all vessels have to be equipped with:

An EPIRB has been activated accidentally. Which of the following is correct for cancelling the false distress alert?:

What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”?:

The correct functioning of a DSC-modem can be checked by means of:

Which of the following is a Accounting Authority Identification Code?:

Which class of emission is used for VHF radio telephony transmissions?:

With what system is a NAVTEX-message transmitted?:

Which type of call will be sent by a ship adrift and needing the assistance of a tug? The weather is not bad and the ship will be aground 24 hours later.:

The emergency battery of a GMDSS portophone:

Give the command after ga + for the transmission of a “store and forward”-message with radio-telex:

The hydrostatic release of an EPIRB should be changed:

By frequency is meant:

You wish to send an e-mail using the Inmarsat-C installation. The message has to be composed in:

The number of oscillations of a wave per seconds is called:

When sending an OBS (weather report) with Inmarsat one should use Service Code “41”. With this address the weather report will always be transmitted to:

How will you start a cancelling message after you send by mistake a distress call on your VHF DSC equipment?:

On area A2 the function “Transmission of ship to shore distress alerts” is mainly based on:

Inmarsat is short for:

What do you do after receiving a VHF DSC DISTRESS call?:

By the degree of selectivity of a receiver is meant:

The squelch on the control panel of a VHF-sat serves to:

The prescribed periodic tests of the radio set must be entered in:

The different layers in the ionosphere, important for radio propagation, are effected by:

After confirmation that there is no other radio-traffic, we call on a VHF working channel of a coast-station. When you don’t get any reply:

The traffic list of a coast-station is a list of:

By reduced transmitting power is meant in VHF a power between:

What are the NAVTEX messages categories which cannot be suppressed?:

The category of a DSC-call determines:

You have an important navigational or meteorological warning to transmit. What call should proceed this message when made on the radio telephone?:

Which type of call will be sent by a ship adrift and needing the assistance of a tug? The weather is not bad and the ship will be aground 24 hours later.:

The distress message is used when the vessel is threatened by a serious and imminent danger and is in need of immediate assistance. What is the telegraphy and telephony distress message like?:

What is the proper term used to describe a coast radio station that primarily handles chargeable ship-to-shore message traffic of a routine nature?:

What do you understand by the initials EPIRB?:

The effect of reflection of the radio waves in the ionosphere on the range depends on:

Which of the following is a ship MMSI?:

The word NAVTEX is spelled conform the international phonetic alphabet:

A battery of 24 Volt supplies during 10 hours a current of 6 ampere. What is the capacity supplied?:

DSC uses for automatic identification the MMSI. The identification 002442000 is assigned to:

If a coast-station doesn’t answer a call on VHF working channel or doesn’t send a reply signal:

In the traffic list a coast-station indicates that there is a radio telex-message for a vessel. To call for the message one should put in:

On area A1 the function “Transmission of ship to shore distress alerts” is mainly based on:

An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available is called:

On area A4 the function “Transmission of ship to shore distress alerts” is mainly based on:

The position of a 406 MHz Cospas-Sarsat EPIRB is:

What is the first function of GMDSS?:

According to the rule of GMDSS, channel 70 is used for:

How often must inspection of proper working of the EPIRB’s and SART’s take place on board? Once per:

Which International Convention introduced the GMDSS?:

A VHF transmission range is mainly determined by:

What are the NAVTEX messages categories which cannot be suppressed?:

The batteries must be placed in a well ventilated place, so that:

A DSC-notice should be sent on VHF-channel:

What statement is correct with frequency modulation?:

What mode must be used on the MF/HF transmission when making a radiotelephone call?:

Sea area A4 is in maritime radio traffic sea area:

The normal mode of operation for each coast station shall be indicated in:

On board they want to have a dial-phone call via Inmarsat with the Apollogracht. In the guides the following ID’s are found for the Apollogracht: 344320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen?:

According to the rules of GMDSS all vessels have to be equipped with:

With an Inmarsat-C installation there is the addressing-option “special”. Via this option:

Which word will precede a safety message?:

What does the abbreviation DSC means?:

At the end of a radio telex-connection, when a “store and forward” message has been transmitted, the coast-station at least gives a:

The altitude effect of the reflection of radio waves in the ionosphere on the transmission range also depends on:

The identification of a coast station is composed as follows:

A distress alert sent by Inmarsat to an RCC is sent via:

Which of the following is a coast station MMSI?:

In the Maritime Radio Traffic the order of priority is:

The word CHANNEL is spelled conform the international phonetic alphabet:

When a satellite receives a “distress alert” from a Cospas-Sarsat EPIRB, the relay of the “distress alert” can be delayed because the satellite cannot immediately contact a:

On the MF/HF transmitter-receiver there is a sensitivity control. Another name for this is: