Note: The 2014 data here donât reflect advanceable payments of the premium tax credit (APTC) for which an applicant may be eligible due to his/her householdâs income and how it relates to the federal poverty level (FPL). The plan data show premiums for the following rating scenarios: 1  Child -- one child any age.
1 Also called angle of elevation. the angle between the line from an observer or instrument to an object above the observer or instrument and a horizontal line.  the distance above a datum level.
Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and more). As a general definition, altitude is a distance measurement, usually in the vertical or up direction, between a reference datum and a point or object.