whatever indoor antenna you use is likely to have a problem with channels 9 and 10: if you install a Winegard HD-7694P or a AntennaCraft HBU-33 in your attic, you should see all the Sacramento stations clearly.
http://antennacraft.net/pdfs/HBU33.pdf
http://winegard.com/kbase/upload/1450290.pdf
http://manuals.solidsignal.com/AntInstallGuide.pdf