navman
On Fri, 04 Jan 2008 05:12:10 GMT, Jere Lull wrote:
Still, any one of them is probably good enough to get you back home in quiet conditions. How soon we forget. Most any of them give lat/long. They replace the sextant, not charts. If you also get some sort of database, so much the better. Casady |
navman
For christmas I was given a navman for the car. Does anyone know if
this can be used as a chart plotter. can on e buy a cmap or whatever to go with it or is it purely a land lubbers thing. |
navman
On 2008-01-03 22:00:01 -0500, dave said:
For christmas I was given a navman for the car. Does anyone know if this can be used as a chart plotter. can on e buy a cmap or whatever to go with it or is it purely a land lubbers thing. I don't know the unit, but some caveats: 1) the non-marine ones often aren't very water-resistant. 2) Some use an averaging algorithm instead of many, many position calculations (or something like that) so may not be powerful enough at boat speeds. [That one really surprised me.] Personally, if it doesn't have a light list and NMEA/Seatalk connectivity, I'll pass. Still, any one of them is probably good enough to get you back home in quiet conditions. -- Jere Lull Tanzer 28 #4 out of Tolchester, MD Xan's pages: http://web.mac.com/jerelull/iWeb/Xan/ Our BVI trips & tips: http://homepage.mac.com/jerelull/BVI/ |
navman
dave wrote:
For christmas I was given a navman for the car. Does anyone know if this can be used as a chart plotter. can on e buy a cmap or whatever to go with it or is it purely a land lubbers thing. Youn could probably navigate the Florida Keys with it, so long as you were in a car and not a boat. Dennis. |
navman
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