[MLB-WIRELESS] OT: bearing/coordinates math

[george]

you first need a map, then mark the two co ordinates on the map.
then using the compass rose plot the bearing  which will be true(not
magnetic) then you need to apply variation to the true ( about 13 degrees in
this part of the world) which will give you the magictic bearing  which you
can then use to with a compass to align the antenae. I beleive the variation
is easterly here but need a mariners chart to check that out

-----Original Message-----
From: Drew [mailto:drew at wirelessanarchy.com]
Sent: Saturday, 26 January 2002 4:43 PM
To: melbwireless at melbwireless.dyndns.org
Subject: [MLB-WIRELESS] OT: bearing/coordinates math


If anyone is a math wiz, and can give me a step by step example of how
to find the bearing between 2 real coordinates, I'll add bearing to the
node map. :)

thx
D


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