units plz

git-svn-id: http://observium.org/svn/observer/trunk@4171 61d68cd4-352d-0410-923a-c4978735b2b8
dBm -> dbm


git-svn-id: http://observium.org/svn/observer/trunk@4172 61d68cd4-352d-0410-923a-c4978735b2b8