I used Nobeltec TZ on my iPad Mini (along with a Bad Elf BluetoothGPS receiver) 
for the Annapolis to Bermuda Race a few years back; it was nice for its 
portability.  But even with the Mini in a splash-proof Lifeproof case, I 
wouldn’t want to rely on it as the primary source for navigation.  Stuff 
happens; batteries get low at the wrong time, things get dropped overboard or 
stepped on, and so on.  Having a dedicated, purpose-built device connected to 
the boat and its batteries still seems to me like the best option.  Having 
backups to that is also a good idea, one that the iPad fills well.

Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI   :^(

> On Feb 28, 2017, at 7:48 AM, Marek Dziedzic via CnC-List 
> <cnc-list@cnc-list.com> wrote:
> 
> “ They may be nice for backup” +1 on that.
>  
> As Bill says, plenty of people swear by them, but I am afraid that there is a 
> lot of tablet (Apple) bigotry in that (I hope I am not starting a Holly War 
> here). Even the cost argument is not really true. A basic GPSMAP 76 (one can 
> have it for about $150) is  probably better.
>  
> But it all depends what you use it for and what you need it for. On an easy 
> Sunday cruise it would probably work fine (and you would have plenty of 
> interesting information available).
>  
> Marek

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