Hello Carl, Congratulations on your Orion! Thanks for the information about the filter evaluations. Enjoy your new rig! 73, Bill wa2pvk at verizon.net --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.474 / Virus Database: 272 - Release Date: 4/18/2003