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Anything used for comparison. For example, a company that wishes to determine whether its profits are increasing or decreasing may compare them to a previous year's profits. In this case, the previous year's profits are considered the base line. A baseline is also called a base. See also: Benchmark, Base currency.


East-west lines in the public land survey system, part of the baseline and meridian line components. Each principal meridian has a baseline. Properties in the principal meridian's area are described by their bearing east or west of the meridian and north or south of the baseline.

References in periodicals archive ?
The radical change in the long-term trajectory has received less notice than it deserves; this reflects the more fundamental problem that many baselines--and perhaps long-term baselines especially--rely on unexamined assumptions.
However, as a component of coupling baseline, along-track baseline make the slave satellite out of the plane [9].
Recommendation: To strengthen its baselines, facilitate external and independent reviews of those baselines, ensure effective oversight of the BMDS, and further improve transparency and accountability of its efforts, and to improve clarity, consistency, and completeness of the baselines reported to Congress, the Secretary of Defense should ensure that MDA, for schedule baselines, in meeting new statutory requirements to report on an acquisition baseline including a comprehensive schedule, include a comprehensive list of actual versus planned quantities of assets that are or were to be delivered each fiscal year.
1 ECB or Appendix G baselines to compare energy efficiency strategies for a project can result in an unrealistic analysis, showing efficiency strategies to be more or less cost-effective than they may be.
The key issue is that these activities may or may not provide a significant boost in volume; moreover, many suppliers and retailers have not developed tools for tracking baseline volume.
The flat portions of the 1991 and 1992 planning year baselines for FY 1992 and FY 1993, respectively, represent the effect of the 1990 BEA negotiated by then OMB director Darman.
As previously stated, the interferometer determines the AOA by measuring a phase difference between the signals received by the two baseline antennas.
Recommendation: So that DOE can better manage its major cleanup projects and more fully inform Congress on the status of these projects, the Secretary of Energy should direct the Assistant Secretary for Environmental Management to include in its budget request to Congress life cycle baseline cost estimate information for each cleanup project, including prior year costs, estimated near-term costs, and estimated out-year costs.