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Boat Forum / Electronics / June 2009



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DSC/VHF handheld with GPS

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John Navas - 29 Jun 2009 19:17 GMT
Tested a new Standard Horizon HX850S 6 Watt Floating Handheld VHF Radio
with built in GPS this past weekend (doublehanding a "turbo" 1D35 in the
Half Moon Bay Race of the Singlehanded Sailing Society of San Francisco
Bay <http://www.sfbaysss.org/>), and was very impressed.  Excellent VHF
radio with clear sound and good range, rugged construction, and the
integrated GPS is quite impressive.  Recommended.

Another unit that looks good is the Lowrance LHR-80 Handheld VHF/GPS
Marine Radio, but haven't had a chance to test it yet.

DSC/VHF with GPS is strongly recommended for safety when boating in
waters within VHF range.

More info: <http://sail.navas.us/#DSC>

p.s. Unfortunately the wind was not as impressive as the radio.  We held
on as long as we could, but finally abandoned, even though leading, when
we calculated that even our fast 1D35 wouldn't be able to finish within
the time limit without gale force wind.

Signature

Best regards,
John Navas, publisher of Navas' Sailing & Racing in
the San Francisco Bay Area  <http://sail.navas.us/>

Larry - 30 Jun 2009 06:48 GMT
> Tested a new Standard Horizon HX850S 6 Watt Floating Handheld VHF Radio
> with built in GPS this past weekend (doublehanding a "turbo" 1D35 in the
> Half Moon Bay Race of the Singlehanded Sailing Society of San Francisco
> Bay <http://www.sfbaysss.org/>), and was very impressed.  Excellent VHF
> radio with clear sound and good range, rugged construction, and the
> integrated GPS is quite impressive.  Recommended.

I'm baffled.........more than usual......

S/V "Crazy Jake" has a ship license with MMSI suitable for offshore.  
Jake is a Amel Super Maramu 54 (dream big they told me).  So, we buy
this HX850S and program it with the Amel 54's MMSI off its ship license.

While riding across the harbor in the Avon Jake uses for a dingy, one of
the tubes rips and the Avon is gonna go down, fast under the weight of
its outboard and all that gas.   So, we pick up the HX850S and press the
DSC Emergency Button to call for help.

What's wrong with this picture?

CG's database finds this walkie's MMSI is a nice Amel 54 and the helos
go off looking for a white ketch with two masts loaded with stuff.  Oh,
oh, I see a problem!  Coast Guard and Sea Tow are looking for the WRONG
SHIP!

I bet they're gonna be PISSED when they find out you're using DSC on
that dink sending them looking for the big Amel for hours...eh?

Do we get a separate MMSI for each boat this handheld wonder is gonna be
used on?  What if I carry it aboard my buddy's fishing boat?  We'll need
a database of MMSIs if we carry it around from boat to boat!  

...and I don't see any way of switching MMSIs to make it
valid....interesting, indeed.

Signature

-----
Larry

If a man goes way out into the woods all alone and says something,
is it still wrong, even though no woman hears him?

John Navas - 30 Jun 2009 16:06 GMT
>> Tested a new Standard Horizon HX850S 6 Watt Floating Handheld VHF Radio
>> with built in GPS this past weekend (doublehanding a "turbo" 1D35 in the
[quoted text clipped - 4 lines]
>
>I'm baffled.........more than usual......

I'm happy to help.  ;)

>S/V "Crazy Jake" has a ship license with MMSI suitable for offshore.  
>Jake is a Amel Super Maramu 54 (dream big they told me).  So, we buy
[quoted text clipped - 6 lines]
>
>What's wrong with this picture?

Nothing.  The HX850S transmits your exact location by GPS, and you use
the voice section to communicate details of your situation and the dink
(which isn't going to sink with just one tube punctured).  Your MMSI
identifies you, your emergency contact number, etc.

>CG's database finds this walkie's MMSI is a nice Amel 54 and the helos
>go off looking for a white ketch with two masts loaded with stuff.  Oh,
>oh, I see a problem!  Coast Guard and Sea Tow are looking for the WRONG
>SHIP!

By that rationale the USCG would never look for people overboard -- it
would just save ships, and that's now how SAR is conducted.

>I bet they're gonna be PISSED when they find out you're using DSC on
>that dink sending them looking for the big Amel for hours...eh?

I bet you're never actually discussed it with your local Coasties.  
If you had, I bet you would have found them to be very helpful and
supportive of DSC/VHF, including handhelds.

>Do we get a separate MMSI for each boat this handheld wonder is gonna be
>used on?  What if I carry it aboard my buddy's fishing boat?  We'll need
>a database of MMSIs if we carry it around from boat to boat!  
>
>...and I don't see any way of switching MMSIs to make it
>valid....interesting, indeed.

BoatUS Will register your MMSI for free, and has a webpage for updating
your MMSI information.  <http://www.boatus.com/mmsi/>

Signature

Best regards,
John Navas, publisher of Navas' Sailing & Racing in
the San Francisco Bay Area  <http://sail.navas.us/>

Larry - 30 Jun 2009 17:00 GMT
> Your MMSI
> identifies you, your emergency contact number, etc.

WRONG!  Your MMSI identifies the YACHT the license or pseudo license
registration with Boat/US is for.....NOT YOU.

This sends a false message to the rescue services looking for the YACHT,
not a dink.

Signature

-----
Larry

If a man goes way out into the woods all alone and says something,
is it still wrong, even though no woman hears him?

John Navas - 30 Jun 2009 17:42 GMT
>> Your MMSI
>> identifies you, your emergency contact number, etc.
[quoted text clipped - 4 lines]
>This sends a false message to the rescue services looking for the YACHT,
>not a dink.

USCG doesn't agree with you (here at least).

Signature

Best regards,
John Navas, publisher of Navas' Sailing & Racing in
the San Francisco Bay Area  <http://sail.navas.us/>

Bruce in alaska - 30 Jun 2009 21:44 GMT
> > Your MMSI
> > identifies you, your emergency contact number, etc.
[quoted text clipped - 4 lines]
> This sends a false message to the rescue services looking for the YACHT,
> not a dink.

Ok, the definitive answer is, that the Handheld IS licensed to the
vessel, as a "Portable Transmitter" and if you have more than one
aboard they are numbered, as "Vessel Name", "Vessel Callsign", Portable
1, 2, ect.... and IF they have DSC Capability they do get the vessel
MMSI programmed into them, and they then Ident via voice if the
Emergency Button is activated....

Bruce in alaska

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Bruce in alaska
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