ption ▁of ▁Earth ' s ▁atmosphere . ▁This ▁method ▁is ▁typically ▁used ▁in ▁non - inst rument ed ▁class ▁B ▁and ▁class ▁C ▁monitoring ▁systems ▁to ▁avoid ▁costs ▁and ▁maintenance ▁of ▁on - site ▁sens ors . ▁If ▁the ▁satellite - der ived ▁data ▁is ▁not ▁corrected ▁for ▁local ▁conditions , ▁an ▁error ▁in ▁rad iance ▁up ▁to ▁ 1 0 % ▁is ▁possible . ▁ ▁See ▁also ▁▁▁ ▁Phot ov olta ics ▁ ▁Py ran ometer ▁ ▁Rem ote ▁sens ing ▁ ▁At mos phere ▁of ▁Earth ▁ ▁Abs or ption ▁( elect romagnet ic ▁radiation ) ▁ ▁References ▁ ▁External ▁Link s ▁▁ ▁Category : Ph ot ov olta ics <0x0A> </s> ▁Mike ▁Sch um acher ▁( born ▁May ▁ 2 1 , ▁ 1 9 8 6 ) ▁is ▁a ▁track ▁and ▁field ▁ath lete ▁who ▁competed ▁for ▁Luxemb ourg ▁in ▁the ▁ 8 0 0 ▁metres ▁run ▁at ▁the ▁ 2 0 0 9 ▁World ▁Championships ▁in ▁Athletics . ▁ ▁References ▁ ▁Category : 1 9 8 6 ▁birth s ▁Category : L iving ▁people ▁Category : L ux emb ourg ian ▁male ▁middle - distance ▁run ners <0x0A> </s> ▁Mary ▁Fran n ▁( born ▁Mary ▁Frances ▁L ue cke , ▁February ▁ 2 7 , ▁ 1 9 4 3 ▁– ▁September ▁ 2 3 , ▁ 1 9 9 8 ) ▁was ▁an ▁American ▁stage , ▁film ▁and ▁television ▁actress . ▁Fran n ▁is ▁best ▁known ▁for ▁her ▁role ▁as ▁Bob ▁New hart ' s ▁wife ,