Looking for a manual...copy or just the schematic is fine ...for the SSB sp220 and or SSB sp7000 Mast Mounted Preamps. If you can scan it and attach to e-mail that would be great. Mike Goshay W6WE CM95rd 636 Printz Road Arroyo Grande,Ca. 93420 805-489-8300 all e-mails scanned with Norton Antivirus 2003