See this:

http://www.dellabarba.com/sailing/findcoquina1.html

Either APRS or AIS will show up on this website.

DSC is not the easiest way to keep track of a boat.

I really like this when I am on my mooring - sometimes I'll check 2-4 times
a day from work. It is kind of fun to watch the battery voltage climb with
the sun and go down after dark.

 

Joe Della Barba

j...@dellabarba.com <mailto:j...@dellabarba.com> 

 

Coquina

C&C 35 MK I

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Neil
Gallagher via CnC-List
Sent: Friday, January 15, 2016 9:12 AM
To: cnc-list@cnc-list.com
Cc: Neil Gallagher <njgallag...@optonline.net>
Subject: Re: Stus-List Testing DSC

 

Josh,

Your reply brings up a question I have for someone familiar with DSC.  I've
been looking for a way to monitor my boat's position when I leave it
unattended on the hook.  If I have a handheld with DSC programmed with the
same MMSI as the fixed VHF on the boat, can I query,  with the hand held,
the boat's VHF to find its GPS coordinates?

Neil Gallagher
Weatherly 35-1
Glen Cove, NY



On 1/15/2016 8:53 AM, Josh Muckley via CnC-List wrote:

In the US you can get the MMSI for recreational vessels through boatus.
Just Google MMSI BoatUS.

SeaTow offers voice radio checks.  Find their website to get a map of nearby
locations and associated channel.  It is a voice recording and playback
system so you hear back your own transmission.

DSC is most easily tested with another DSC radio that has been programmed
with a different MMSI (read: friend's boat).  That's an important point
since the MMSI is assigned to the boat and all the DSC radios on that boat
are supposed to be programmed to the same MMSI.

Well what if I just took my portable and DSC called my fixed?  Well often
times the radios are designed to ignore DSC requests from their own MMSI.
Makes sense....sorta.

For recreational vessels in the US no license is required.  The voice
function of the radio should work fine without programming the MMSI.  I've
never heard of a mandate to program the MMSI.  I could be wrong on the last
point but then how would anyone know?  Same with the requirement to monitor
channel 16.  What if I don't?  Prove it.

Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Solomons, MD 

On Jan 14, 2016 11:15 PM, "Marek Dziedzic via CnC-List"
<cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote:

Bob,

 

You need to program your MMSI (an identifier you get when you register the
radio). In Canada (and I bet in the US) in order to operate a DSC radio you
are required to have the DSC endorsed radio operator's licence. 

 

Without the MMSI your DSC function does not work - it is like a phone
without an assigned number. If I recall correctly, it is illegal to use the
radio without registering it and acquiring the MMSI number. And if you don't
program the MMSI, the radio would probably not work at all (it should prompt
you constantly to enter that number).

 

In order to use the point to point transmission (not any of the Distress or
Urgency calls) you have to know the other party's MMSI. Preferably, you want
to have it programmed into your radio (so you can select it, like from a
"Contacts" list in your phone).

 

Ch. 70 is used SOLELY for digital handshake between the DSC radios. Using
that channel for any conversations is prohibited. 

 

I am afraid that you won't be able to make the DSC call to the passing
barges unless you know their MMSI (or can look it up).

 

Good luck

 

Marek 

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com
<mailto:cnc-list-boun...@cnc-list.com> ] On Behalf Of bobmor99 . via
CnC-List
Sent: Thursday, January 14, 2016 21:05
To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> 
Cc: bobmor99 . <bobmo...@gmail.com <mailto:bobmo...@gmail.com> >
Subject: Stus-List Testing DSC

 

Today I received my first grown-up radio, a Standard Horizon GX2200.

DSC looks like a very nice technology but I am wondering how to test/learn
it without triggering a bunch of false alarms or general chaos.

I'm docked in a backwater, but there is occasional barge traffic that
probably has AIS transmitters. 

I'd like to verify that my new radio can easily communicate (via channel
70?) with the barges as they pass by.

Maybe I need to read the fine manual again but am wondering if anyone else
has done this exercise and if there are any tips or gotchas.

Many thanks in advance,

--Bob M

Ox 33-1

Jax, FL

 


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