base line


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base line:

see geodesygeodesy
or geodetic surveying,
theory and practice of determining the position of points on the earth's surface and the dimensions of areas so large that the curvature of the earth must be taken into account.
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base line

[′bās ‚līn]
Abbreviated BL.
(electronics)
The line traced on amplitude-modulated indicators which corresponds to the power level of the weakest echo detected by the radar; it is retraced with every pulse transmitted by the radar but appears as a nearly continuous display on the scope.
(engineering)
A surveyed line, established with more than usual care, to which surveys are referred for coordination and correlation.
A cardinal line extending east and west along the astronomic parallel passing through the initial point, along which standard township, section, and quarter-section corners are established.
(graphic arts)
The bottom alignment of upper-case letters in a font.
(navigation)
The geodesic line joining the two stations between which electrical phase or time is compared in determining navigational coordinates.
(science and technology)
A line drawn in the graphical representation of a varying physical quantity, such as a voltage or current, to indicate a reference value, such as the voltage value of a bias.

base line

A surveyed line which has been established with more than usual care, and to which surveys are referred for coordination and correlation.
References in periodicals archive ?
Management is looking forward to implementing its work program for the Base Line Study on the Gandhamardan Deposit as well as reporting on other resource opportunities that the Company may acquire in the near future.
Per this cost-plus-incentive-fee undefinitized contract, Boeing will have to finish development of the base line Apache attack helicopter as well as the integration of modifications.
The trust bought the Base Line property eight months ago for $325,000 as part of a 2.
At stop sign, turn right (East) back over Interstate 55 and proceed approximately three miles to Base Line Road.
The consultant conducted base line study for need along with impact assessment, with the aim to study is to identify the legal services support needs of small and informal businesses.
17-acre Base Line Road property in February 19956 as part of an $800,000 deal.
This activity is part of the first phase of the base line study.
The Base Line property previously was used to help secure a an April 1991 mortgage of $950,000 from Arkansas Teacher Retirement System.
Following base line field testing, one of the three contractors will be selected for production buys for up to 57 additional systems and associated engineering, technical and logistic support.

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