Re: [IRCA] Optical DX vs outdoor lighting in Hawaii

[Walter Salmaniw <salmaniw@xxxxxxx>]

At 08:37 PM 4/30/2007, you wrote:
>> 
>Walt,
>
>        Sodium vapor outdoor lighting in Hawaii is a concession to the
>observatories which conduct optical DX.  Obviously they have a little
>more "pull" than the average radio DXer!  Sodium produces only 2 spectral
>lines which are easy to filter out.
>
>Art Peterson
>Richmond, CA


Of course, Art.  I should have known that, having been an Astronomy major before going to med school!........Walt.


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