Boat Forum / Electronics / January 2008

Does anyone have a document that describes the SeaTalk sentence format?  
I've looked for one multiple times in the past, but never have found one.  
I do have a document which provides talker-IDs, but nothing past that.
00 Depth

I've just been out and bought a Garmin GPSMap 545 chart plotter. This comes
with a power/signal cable that is terminated with a unit connector in one
end and fans out to the varoius leads on the other.
I was planning so use it on-board my sailing boat in the north atlantic. It

I started this dialog, so I will give you all an update. I purchased An
Eoc-3220 EXT:
http://www.engeniustech.com/datacom/products/Category.aspx?id=17
My decision was bases on specifications. I have now established

I have a SX Micro-90 handheld VHF. Reception is good, but battery life
only a few minutes if you start transmitting.
Does anyone know who made these? Is it possible to get new/upgraded
battery packs for them? I'm in the UK.

Any radar experts?
I was wondering if a Microwave leak detector could be 'doctored' for
use as an 'S' band radar detector for use while cruising.  They are
pretty sensitive but would possible need some type of antenna and also

Does any one know how to block this MI5 crap?
It's coming from several different sender names, so I don't know how to
Block the Sender, and the subject line keeps varying slightly, so I can't
Block by Subject or Words.

Anyone have a link to an external marine Wifi antenna. I want to mount it
atop my mast and run about 40 ft to my computer.
Thanks,
Pat Harman

mike

Looking at fitting Radar to my Beneteau 361.
I had a JRC 1000 a few years ago.. I liked the low power drain and small
radome.
JRC don't market in the UK anymore so options seem to be Furuno or Furuno?

Anyone know anything about Koden radars?  Koden owns Sitex and is known for
making high end commercial radars but they have a new (to me) line of
recreational units at in a very good price range.  Low end is a 7" color
display with a 2KW radome for a street price around a boat ...

The Global Positioning System (GPS) is the fully functional Global
Navigational Satellite System which will help in determining the
location, speed/direction and time with the assistance of 24 medium
earth orbit satellites...

I'm trying to get my Garmin 982 NMEA 183 to talk to my newly installed
Raymarine Pilot.  There are two Garmin NMEA out wires, but one of them
is ground. Since the pilot 'brain' is already grounded, do I need to
attach the ground from the garmin to the ray pilot?  The brain has two