Test results
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?:
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:
The MF/HF-transceiver on board is tuned to the assigned frequency of a station. To make this connection the following mode is used:
The typical “daylight-frequencies” for long distance transmission are located in the:
A battery of 24 Volt supplies during 10 hours a current of 6 ampere. What is the capacity supplied?:
The squelch on the control panel of a VHF-sat serves to:
For how long time should a SART transponder be able to operate in the active mode?:
The word SHIP is spelled conform the international phonetic alphabet:
The Satellite orbit in the Cospas-Sarsat system is:
According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:
At the entrance to the space where batteries are stored on board the following notice must be fitted:
The ideal aerial length depends on:
A VHF transmission range is mainly determined by:
You receive a distress alert on HF Radio. What should you do?:
Which of the following frequencies is used by the NAVTEX system?:
The category of a DSC-call determines:
The normal mode of operation for each coast station shall be indicated in:
MF communication is usually provided by:
What does the abbreviation VHF means?:
By FleetNET communication is understood:
By the term “Stand by” the operator of a coast-station means that one should:
On area A1 the function “Reception of shore to ship distress alerts” is mainly based on:
With an Inmarsat-C installation there is the addressing-option “special”. Via this option:
What is the emergency frequency on MF (Medium Frequency) radio?:
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:
According to the rules of GMDSS vessels one must be able to receive MSI with the aid of:
What do you do after receiving a VHF DSC DISTRESS call?:
Define the class of emission G3E:
At what minimum height above sea level a SART transponder must be mounted?:
What do you understand by the initials EPIRB?:
The traffic list of a coast-station is a list of:
On which frequency a ship must maintain a continuous watch when sailing in area A2?:
The different layers in the ionosphere, important for radio propagation, are effected by:
The type of Inmarsat station A, B, C, M is recognized by:
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:
If messages are received which aren’t intended for own ship:
The batteries must be placed in a well ventilated place, so that:
When a character in the NAVTEX message sent is not received in the proper way:
For a DSC-connection (no “distress alert”) with another vessel the following frequencies are used:
Which wave length applies to a frequency of 2 000 kHz?:
A VHF transmission range is mainly determined by:
On area A2 the function “Transmission of ship to shore distress alerts” is mainly based on:
The wavelength of a radio-signal reflected against the F-layer may be:
Modulation is:
VHF channel 6 is:
The following information must be given on the SART:
According to the rules of GMDSS all vessels have to be equipped with:
The MERSAR is:
Of the AM-signal:
When on HF band a DSC distress alert is received, you have to listen to:
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 propagation of radio-signals in the VHF-band is:
Inmarsat is short for:
What statement is correct with frequency modulation?:
Long distance communication in the HF-bands depends on:
The authority to order the use of distress signal or distress alerts is:
Which of the following is a coast station MMSI?:
In the Inmarsat Maritime Communications Handbook one can find information about:
Which class of emission is used for VHF radio telephony transmissions?:
Your vessel is not in distress and not taking part in a distress operation. How would you impose radio silence on vessels which are interfering the distress traffic?:
Give the command after ga + for the transmission of a “store and forward”-message with radio-telex:
With maintenance of batteries it is of primary importance that:
On area A4 the function “Transmission of ship to shore distress alerts” is mainly based on:
The prescribed test of an approved portable VHF radio set (portophone) must be done once a:
The “clarifier” has only effect during:
MUF stands for:
What is SITREP an abbreviation for:
A wire aerial for an MF/HF-transmitter must be suspended between isolators:
What information has to be given to set up a radio telex-connection with a coast-station:
What is the first function of GMDSS?:
Under GMDSS rules the trading area A1 can be considered to be:
Define the class of emission H3E:
With an EPIRB:
In the Maritime Radio Traffic the order of priority is:
Sea area A4 is in maritime radio traffic sea area:
How often must inspection of proper working of the EPIRB’s and SART’s take place on board? Once per:
Reflection of radio waves in the ionosphere depends on:
All designated SAR aircraft and civil aircraft carry equipment operating on the international aeronautical distress frequencies (amplitude modulation). The aeronautical distress frequencies are:
What are the NAVTEX messages categories which cannot be suppressed?: