“Yards” sounds like very precise navigation :-)
I used Decca once, when doing a week on a minesweeper, but that wasn’t
particularly accurate, I don’t think.
These days I fly such short distances that I’m rarely out of sight of my
takeoff point :-(.
Chris
> On 5 Oct 2018, at 16:43, Moose <olymoose@xxxxxxxxx> wrote:
>
> On 10/4/2018 2:59 AM, ChrisB wrote:
>> I agree Moose, but GPS can go wrong, of course (the operator can make
>> mistakes), and understanding Nav techniques would be essential to back up
>> the tech solution.
>
> Absolutely. When I first encountered ship navigation, they were using sextant
> and LORAN. LORAN seemed quite complex and had limited range, so crossing the
> Pacific, the middle part was sextants and dead reckoning, which was far
> easier on charts using nautical miles and knots.
>
> Coastal navigation with radar was quite good when I was a radarman. The units
> there were yards.
>
> Where is Moose
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