[amsat-bb] Re: Sun shadow for True North
Tony Langdon
vk3jed at gmail.com
Fri Dec 28 18:42:54 PST 2007
At 01:23 PM 12/29/2007, Franklin Antonio wrote:
>At 04:39 PM 12/28/2007, Tony Langdon wrote:
>>You still need to know "when near noon" to within 5 minutes to get
>>the required accuracy. :)
>
>Nope. You just note a few points where the tip of the shadow was at
>various times and draw a line. Don't need any time info at all.
Re-read the message carefully (a couple messages back) to see which
method I was talking about... ;)
73 de VK3JED
http://vkradio.com
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