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-   -   Was: NASA Marine AIS Radar (https://www.boatbanter.com/electronics/38738-nasa-marine-ais-radar.html)

Pascal June 1st 05 01:17 AM

Was: NASA Marine AIS Radar
 
Hi Dave,

Remembering this talk on May, 18 have You had a chance to do the test
with your GpsMap276C and the AIS receiver? I was think that, with the
release of 3.21 firmware for Map276C, maybe you can get yours to
home/office to make the update and so have the oportunity to make the
test I have asked. Do not forget this OK?


On 17 May 2005 19:42:30 -0700, "Pascal" wrote:



I am not shure, but I have the impression that You told that you have a
Garmin GpsMap276C too, it is correct?



Yes, I do.


Remenbering what that unknow guy
told, that all the DSC ready garmin gpsploter already have support to
AIS, and as You have a NASA or other AIS receiver, could You make a
test to see if the Map276C can receives the AIVDM message? Pheraps it
has the function to plot the ships position based on the AIVDM message,
buried into the DSC function. What You think?



I doubt that it will work, and think that DSC is 9600 baud while AIS is
38400
baud, as well as using different protocols, but I may be able to check.
My
276C is hard wired into my car at the moment, so I won't be checking
for a
while, but will try to remember next time I take the unit out for
reloading
of maps, etc.

What "unknown" guys say doesn't usually give me much confidence - being
an
engineer I usually like to see some specs! :-)



Dave


Dave Baker June 1st 05 01:31 AM

On 31 May 2005 17:17:06 -0700, "Pascal" wrote:

Remembering this talk on May, 18 have You had a chance to do the test
with your GpsMap276C and the AIS receiver? I was think that, with the
release of 3.21 firmware for Map276C, maybe you can get yours to
home/office to make the update and so have the oportunity to make the
test I have asked. Do not forget this OK?


No, haven't forgotten - just that getting the 276C out of my car is a major
task.

I may do it now that the new firmware is out, but I think it is still a beta
so I'm in no hurry until after I hear a number of good reports or until the
real version comes out.

Dave

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Pascal June 1st 05 02:59 AM

OK Dave, thanks, I will wait no problem .... Viva AIS !!!!!


Holger June 3rd 05 10:43 AM

Hi,
if you are interested in testing an AIS receiver, take a look at
www.yacht-ais.com. It has a special interface for the NASA AIS Engine.

Holger


Pascal June 20th 05 01:32 AM

Hi Dave,

Any news about the test of 276C with the NASA AIS engine? The 3.30
update for the 276C is out and tested...

BTW, my friend who had make before a sucessfull test with his Ham
radio, ShipPlotter and laptop in his apartment, bough a NASA AIS engine
in his recent trip to England, and made a demo in his boat this week to
us, using the laptop and the Sea Clear: very good indeed; he could get
many ships from all the "Bahia de Todos os Santos", using the VHF
mastehead antenna in his boat wich was docked in his pier of our marina
(S12 48.645 W38 27.637) , in the "Bahia de Aratu". Ships was underway
in the BTS entrance, and in several ports like (Salvador Port, Usiba
port, Aratu port, Madre de Deus port etc).


Dave Baker June 20th 05 02:38 AM

On 19 Jun 2005 17:32:04 -0700, "Pascal" wrote:

Any news about the test of 276C with the NASA AIS engine? The 3.30
update for the 276C is out and tested...


I noticed the new firmware upgrade, but haven't had a chance to do anything
about it.

I might be going to stay in a seaside hotel next weekend so will probably try
to get the 276C upgraded before then for my trip, and also plan to take my
AIS receiver if I can get a room on the 10th floor or above to see what sort
of reception I get.

If I get those 2 operating I'll also try to connect the 2.

Dave

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Pascal June 28th 05 10:28 PM

My friend, hwo have bough a Nasa AIS Engine send me today an NMEA
message file containing both his Gps and AIS receiver messages, so I
could make a simulation using the SeaClear software. I found it very
impressive, the software is very very good.

I think that if the NASA AIS Radar would have the option to output NMEA
messages like the cousin AIS Engine, I probabily would buy it now,
since I could use it in stand alone mode or alternatively or
simultaneously, use it as an AIS engine too.

Why the NASA does not make this? The stand alone unit could be obsolete
as soon appears a more sofisticated unit on the market, but having the
NMEA output option, it could survive this obsolence for some time, or
not?

Regards

Pascal


Holger June 29th 05 10:36 AM

Well, normally people want either have a stand-alone unit or a black-box for use with PC. Or do you carry a (high-end) chartplotter and a mobile PC running vector charts?

Holger

www.yacht-ais.com

Pascal June 29th 05 06:58 PM

Well,

I have a laptop full of Navigation softwares and many charts of all
types (raster and vector) but I do not use it all the time for
navigation, I use it mainly to plan the routes at the port or navigate
in some easy situations (inshore motoring) and where I do not have the
corresponding electronic chart in the Gps Plotter and I do not have
the necessary paper charts. But do not want to use the laptop on my 36
ft boat when I am sailing at nigth in heavy weather, wich is the
situation I probabily would need an AIS ploter.

I do not know of any other Chart Ploter wich supprts AIS receiver
unless the new Si-Tex units, so I could consider an interim solution
with the NASA AIS Radar, IF it have the NMEA output too. I already
have 3 Gps Plotters from Garmin, so to buy now a Si-Tex would add a
fouth gps/ploter to the boat, wich is not my option.

Regards

Pascal


Holger escreveu:
Well, normally people want either have a stand-alone unit or a black-box
for use with PC. Or do you carry a (high-end) chartplotter and a mobile
PC running vector charts?

Holger

www.yacht-ais.com


--
Holger



Holger June 29th 05 08:19 PM

Hi Pascal,

I got your point... but my connections within the AIS world are quite sure that NASA won't release a AIS display with NMEA output, at least not soon. They want to keep both products cheap and adding features that most won't need (see above) will just rise the price....

Cheers,

Holger

www.yacht-ais.com


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