Finding my Elevation

[Sjorge450R]

How do i find my elevation. I remember somebody on here posted a link but i cant seen to find it. If someone could help i would appreciate it. (i need to rejet my 300ex after putting a ISD2 full system and K&N on it) Thanks

[ZRider400]

www.topozone.com :)

[Sjorge450R]

thanks for the help. I just ran some results of the places were I race and they follow:
Levittown, PA (Home): 40ft above
Clifford, PA:1060 ft above
Neelyton, PA: 1015 ft above
Dallas, PA: 1128 ft above
Pine Grove, PA: 603 ft above.
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should i change my jetting for every race? I am so confused. Some one please help. Thanks,
Steve

[2004exrider]

probly wouldnt hurt to bring some extra jets with ya.

Jimmy