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

The Satellite orbit in the Cospas-Sarsat system is:

One can check the functioning of the SART by:

On which frequency a ship must maintain a continuous watch when sailing in area A2?:

A satellite receives the transmissions of the 406 MHz Cospas-Sarsat EPIRB. The transmissions of the EPIRB will be:

If requested by a coastal radio station to participate in a rescue operation, what is the most important information you may give?:

Which word will precede an urgency message?:

How are the NAVTEX areas identified?:

What does the abbreviation DSC means?:

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

To choose the HF-band, the time difference between 2 stations:

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

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

The ID of an Inmarsat-M station on board starts with:

The frequency 121,5 MHz is used for:

With what system is a NAVTEX-message transmitted?:

Is it necessary to state the accounting code of the vessel in fully automated radio telex-traffic with a coast-station?:

For a DSC-connection (no “distress alert”) with another vessel the following frequencies are used:

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

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

By the term “Stand by” the operator of a coast-station means that one should:

Moored in a harbour, transmitting with a mariphone is:

Under GMDSS rules the trading area A1 can be considered to be:

The wavelength of a radio-signal reflected against the F-layer may be:

On area A3 the function “Transmission and reception of signals for locating” is mainly based on:

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

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

Which International Convention introduced the GMDSS?:

Dish aerials are used with:

VHF channel 15 is:

What is SITREP an abbreviation for:

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

MUF stands for:

The word SHIP is spelled conform the international phonetic alphabet:

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

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

The Inmarsat-satellites are located:

The DSC-controller display the following: DOO: 244562000 CH16; S distress sinking. After receiving this DSC message the following is done immediately:

The propagation of radio-signals in the VHF-band is:

The word NAVTEX is spelled conform the international phonetic alphabet:

With an EPIRB:

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?:

Which equipment will detect a signal from a SART transponder?:

Inmarsat is short for:

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.:

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:

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

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 word CHANNEL is spelled conform the international phonetic alphabet:

Sea area A4 is in maritime radio traffic sea area:

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 acronym FR 01?:

The hydrostatic release of an EPIRB should be changed:

On board you have to switch from transmitting to receiving and vice versa. The shore station can transmit and receive simultaneously. You are working with two different frequencies. This method 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:

You receive a distress alert on HF Radio. What should you do?:

When a DSC-message of the “distress” category is received, in order to start distress alert communication in so far as not indicated in the alert, you will switch to VHF channel:

For how long time should a SART transponder be able to operate in the active mode?:

On board one can use the reflections in the ionosphere by the right choice of:

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?:

The ideal aerial length depends on:

A vessel is equipped for all sea areas. In the middle of the Indian Ocean the EGC-receiver appears out of order. Is it still possible to receive MSI-messages?:

The type of Inmarsat station A, B, C, M is recognized by:

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

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

If messages are received which aren’t intended for own ship:

The MERSAR is:

The prescribed test of EPIRB, SART and portable VHF radio set must be entered in:

Automatic amplifier regulation is used for the following reasons:

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

What do you understand by the initials EPIRB?:

What does the abbreviation VHF means?:

Reflection of radio waves in the ionosphere depends on:

What is the first function of GMDSS?:

Which of the following is a ship MMSI?:

In maritime communication two international treaties are primarily involved. They are:

The emergency battery of a GMDSS portophone:

If a ship according to the rules of GMDSS is equipped with an MF/HF radio set a DSC listening watch must be kept on:

At the entrance to the space where batteries are stored on board the following notice must be fitted:

By wave length is understood:

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