T&T: Fw: Paper charts or electronic aides
Jim Ague
jim.ague@att.net
Thu Dec 14 18:36:23 EST 2006
>> The paper, though useful, will not tell me where I am.
>
> It can but you have to go through the steps (sightings, triangulation,
> and plotting on the chart) to do this, and most people today, including
> me, don't want to bother with it.
It can, even if you don't want to do that troublesome DR thing. On Derreen,
in addition to a PC-based chartplotter, I keep a handheld GPS with a 12VDC
power cord backed up with fresh AA batteries internal to the GPS.
Occasionally I'll take a lat/long off the GPS and mark the spot on the paper
chart. Admittedly this method fails if the GPS system fails, but at least I
have a sequence of marks to attempt DR.
-- Jim
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Jim Ague
M/V Derreen, Monk 36
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