Scott:
I am considering a new GPS unit for my KR2 soon to be on line. What do
you recommend after doing the research? The Lorance airmap or the Garmin?
Can one use the lap top approach with a GPS map unit cost effectively?
Look forward to your info.
Jim
----- Original Message -----
From: "Scott Cable" <s2cab...@yahoo.com>
To: "KRnet" <kr...@mylist.net>
Sent: Monday, March 14, 2005 10:22 PM
Subject: Re: KR> handheld GPS (was Kr cost)
> Netters;
> I'm definitely no expert on GPS, but from the research that I did on the
> GPS subject when I was going to purchase one, I learned that the primary
> difference between Aviation GPS's and Non-Aviation rated GPS's such as
> Marine units is the times per minute that they update. (I can't remember
> the URL where I got this info, or I'd post it also, but it was written by
> a 747 pilot.)
> The Aviation units update many times more per minute than ground or
> marine based units. You can test this by taking note of your location (in
> your car), then turn a corner and head into a new direction and see how
> long it takes your GPS to update to your new direction / location.
> Typically you'll notice a lag between the time that you turn, and when the
> GPS actually updates. Because of the lag time, Marine and ground based
> units are not recommended for aviation use.
> The next and maybe more obvious difference is in the databases. Aviation
> unit databases are far different than a Marine unit. Not to say that you
> couldn't easily update the database for aviation use, but that's a whole
> new subject...
> Maybe the reason Oscar is having difficulties, is because he's switched
> continents, he may be right on the border of what the satellites can
> "see". Oscar may need to update his service to change which satellites
> his GPS is "reading" from.
>
> Oscar Zuniga <taildr...@hotmail.com> wrote:
>>After much frustration I learnt that it would not function over certain
>>speeds - not sure now, but I think it stopped registering after 70mph.
>
> I think it's good to 99 MPH (clearly posted in the product specs on their
> website, if you snoop), which is the reason I ended up buying a
> non-aviation
> Magellan handheld rather than the equal-priced/equal-featured non-aviation
> Garmin (the Magellan doesn't hit the wall at 99 MPH).
>
>
> Scott Cable
> KR-2S # 735
> Wright City, MO
> s2cab...@yahoo.com
>
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