[RFI] Mercury and Sodium street lite spectra??

[ka5s at earthlink.net (Cortland Richmond)]

Astronomers hate 'em. Google on astronomy, telescope, (etc.) and 
mercury vapor, sodium light, etc. Here' re results of a few quick 
searches:

http://www.astrosurf.com/lombry/reports-filters-dso.htm
http://www.nezumi.demon.co.uk/home/nonad/nonad.htm
http://sciastro.net/portia/advice/filters.htm
http://www.prairieastronomyclub.org/light.htm
http://www.novac.com/filters2.htm
http://www.astronexus.com/gatfaq/filters.html

Cortland


Tom - WA2BPE - FN12lf wrote

> perhaps I am not picking the right search terms.  The purpose of this is
> to find suitable filtering for a Laser communication system.