Fixed and handheld DSC radios?

[Nick2]

If one has a dsc handheld and a dsc fixed set does one have two separate dsc call numbers or can they be the same?

Thanks

Nick

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[powerskipper]

they should be able to have the same, just inform the licening peaple what you have, radios I mean!

<hr width=100% size=1>Julie ,
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[AIDY]

Both our fixed and handheld dsc vhf's have the same number 235000****. As they both are registered to the same vessel.

If both sets are to be kept on the same vessel they should be the same, as the dsc number holds details of you, your boat, emergency equipment carried, emergency contact detail etc...

To my knowlege handheld vhf can only sent a distress dsc, so cant call another vessel as you would with a fixed set.

But I could be wrong.

<hr width=100% size=1>/forums/images/icons/wink.gif <font color=blue> Regards Aidy </font color=blue>

 

[2_rollocks]

Think you're wrong, not much good if you can't talk which you need to do after sending distress dsc.

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[powerskipper]

yes your right, I have one, can only sent a distress alert with it and will only send position with it if it is in its cradel and then wired to a gps, handheld or fixed. The range is about 5 nm, standared handheld range.

<hr width=100% size=1>Julie ,
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[AIDY]

I meant using a DSC number to call another station.

You can use the handheld normally as vhf by talking into it.

Sorry bad selection of wording.

<hr width=100% size=1>/forums/images/icons/wink.gif <font color=blue> Regards Aidy </font color=blue>

 

[Solitaire]

No your not wrong Andy. A DSC equiped handheld will only make a Distress alert, you would not be able to make Urgency, safety or routine calls as per your fixedset. Unless you jump around from baot to baot there is no real point in paying out for a SC handheld at the moment. It will also only realy the GPS posotion if its n the cradle - therefore acts as a fixed set for DSC alerts. If you go for a transportable licnece then a new call sign is issued - known as a "T" number and the MMSI number begins 2359. Frankly not worth it unless you are constangtly on differerent unlicesed boats.

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[colvic987]

you will receive two separate numbers, they cannot be the same due to the fact that the handheld will have a number to identify it as a handheld..the dsc handheld can only be used as a type of beacon, no test signal on dsc can be made, it can only be used in an emergency, the mmsi number has to be programmed into the handheld by the manufacturer or the shop who is selling it to you( only if they have the program software and leads) if not then somewhere else might require a fee to input the mmsi, i was quoted an extra £40 for a shop which had the equipment to input the mmsi, so i had to send the handheld back to the manufacturer for a 24hr turnround ( it took two weeks ) so if you have not bought the handheld yet, ask more questions, IS it is worth an extra £60....to a normal handheld by same manufacturer, as a handheld it does have very good battery life, but the dsc seems a little like an additional bolt on, not totally thought thru...

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[AIDY]

Found this on RA website.

The Radiocommunications Agency has introduced new procedures for issuing Maritime Mobile Service Identification (MMSI) numbers. This has been done to facilitate the use of portable VHF digital selective calling (DSC) radio equipment that may be used on any vessel.

For the purposes of ship radio licensing, the term "portable" includes both transportable and handportable radio equipment.

The introduction of portable VHF DSC equipment represents a major development in the Global Maritime Distress and Safety System (GMDSS). This new equipment allows owners of vessels that cannot be fitted with a fixed radio to take advantage of the added safety which GMDSS offers to mariners. The Agency recognises this as an important step forward and has introduced this new licensing policy to support the new equipment.

Each piece of VHF DSC portable radio equipment will be allocated with its own MMSI number, regardless of whether an MMSI number has already been allocated to the vessel for use with fixed radio equipment. The new MMSI numbers will begin with 2359…. and these numbers will be allocated only to this type of equipment. VHF DSC portable radios are currently approved only for use on UK vessels within UK territorial waters. Other European administrations are still deliberating on how to deal with this type of equipment. However users may note that Article S 4.9 of the ITU Radio Regulations states " No provision of these Regulations prevents the use by a station in distress or by a station providing assistance to it, of any means of radio communication at its disposal to attract attention, make known the condition and location of the station in distress, and obtain or provide assistance".

As these "portable" MMSIs are allocated to individual radios (rather than being allocated to vessels, as in the case of fixed DSC radio equipment), it is essential that when such radios change hands, the Radio Licensing Centre at Bristol is advised of the new owner’s details. Failure to do this could lead to the effectiveness of any Search and Rescue activity being compromised.

These procedures have been introduced after consultation with the Maritime and Coastguard Agency. They will ensure that in the event of a distress situation HM Coastguard is able to distinguish between DSC alerts sent from fixed radios and portable radios, thereby deploying its resources effectively.



<hr width=100% size=1>/forums/images/icons/wink.gif <font color=blue> Regards Aidy </font color=blue>

 

[AIDY]

I guess it all depends if you are going to use your handheld dsc on other boats or not, or just keeping it as a second station on the same boat.

<hr width=100% size=1>/forums/images/icons/wink.gif <font color=blue> Regards Aidy </font color=blue>

 

[Nick2]

Thanks all for your helpful replies. I guess that I won't yet bother with a dsc handheld but will make sure that the fixed set is wired to a speaker on flybridge. The man in the shop said that the alarm function will operate via an external speaker so for the time being this will do.

Oh well more money "saved"

Nick

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[Solitaire]

Nick - this may be of more use. Cheaper too!

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[Nick2]

I would have to keep asking Joanne for 10p for the slot and it would get very annoying for her - indeed thats one weeks worth of my spending money....

Nick

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[DON1]

Can any one tell me where to get my new mmsi number inputed to my dsc set removed from scrapped vessel

 

[Solitaire]

[ QUOTE ]
Can any one tell me where to get my new mmsi number inputed to my dsc set removed from scrapped vessel

[/ QUOTE ]

You'll need to send it back to the manufacturer, or a dealer has been given the recoding sequence. What make is it?