(meteorobs) OT- Map question.

[darresmunds at comcast.net]

Check online with the USGS, for declination maps. California is about 14.5  degrees e, if not mistaken!

-------------- Original message -------------- 
From: "stange" <stange34 at sbcglobal.net> 

> I have a 1965 raised relief map of California I use to estimate fireball 
> explosion positions. It is a Nystrom "Lambert Conformal Conic Projection" 1: 
> 1,000,000. 
> 
> My question is how close are the Longitude lines in (alignment) to TRUE 
> NORTH ? 
> 
> Latitude or elevation is not an issue. Thank you. 
> 
> (I have had varying answers from Nystrom, who suggested aligning the map(?) 
> with a compass, then rotate the map CCW 16 degrees ). There are no magnetic 
> declination reference marks on this map. Just latitude and longitude. 
> 
> Larry 
> YCSentinel 
> 
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