[NLRS] Computing distances [LONG]

Baker, Donn B Donn.Baker at UNISYS.com
Mon Sep 26 09:13:05 EDT 2005


Oh, nuts !  A minor correction to my post from yesterday... it should be obvious, but you never know.



> As John says, the program uses the WGS84 data set as default. 
>  This is an
> international standard. The NAD27 data set (North American Datum, 1927

> 
> SNIP
 
> 
> *********
> I'll bet a nickel that the difference is due primarily from 
> the East-West
> nature of the QSOs. The distance around the earth at the 
> equator is larger
> relative to the distance around the poles. 

> If you use a sphere as the
> model, your E-W numbers will be smaller, and N-S distances 
> will be smaller.
**********^^^^^^^  LARGER, not smaller.  Like I said, should be obvious... I should've known better when I wrote it.  Sorry about that.
**********



> 
> 73 Donn
> WA2VOI/0
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