...^4.1

Taken from the catalogue of Galactic SNR spectra compiled by S. A. Trushkin and available on the web from http://www.ratan.sao.ru/$_\char126$cats

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...

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

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... by^4.2

The coefficient of $w$ in the exponent for a fringe-stopped visibility (see Section 4.2) will be $(\sqrt{1-l^2-m^2}-1)$. This will effectively only shift the ``image-volume'' along the $n-$axis by one unit. Since this has no bearing on the problem of imaging with non-coplanar baselines, the $-1$ in the coefficient has been dropped from this equation.

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...TABLE_OF_PARAMS^5.1

Initial measurements of $T^{sys}$ and sensitivity at 327 MHz were done by me and others. Later, these measurements were done by A.P.Rao, N.G.Kantharia and others and also by various users from the Raman Research Institute, Bangalore for L-band. The method used is described in Section D.2

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...QDP^6.1

Written by Allyn Tennant, originally at Cambridge, but developed at NASA Marshall Space Flight Center

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...AIPS^6.2

Developed by the National Radio Astronomy Observatory (NRAO), USA., primarily for calibration and analysis of the data from the Very Large Array (VLA) but now used for other telescopes as well.

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...gl2fit^6.3

Developed by V.K.Kulkarni of NCRA(TIFR), Pune

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... table^7.1

Developed by R.K.Singh of NCRA(TIFR), Pune

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...matmon^7.2

Developed by A.P.Rao of NCRA(TIFR), Pune

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...Trushkin1998^8.1

Available from http://www.ratan.sao.ru/$_\char126$cats on the web

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...SNRCAT^8.2

Available from http://www.mrao.cam.ac.uk.surveys/snrs on the web

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... (ADIL)^9.1

http://adil.ncsa.uiuc.edu/

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... leakage^10.1

Strictly speaking, the ratio ${\alpha_i^{\it q}}/{g_i^{\it p}}$ is the correct measure of the leakage and this is what has been plotted in Fig.7.3 below. This does not however affect the computational scheme described here.

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... zero^10.2

Complex derivatives can be evaluated by treating ${g_i^{\it p}}$ and ${g_i^{\it p}}^\star$ as independent variables (Palka1990).

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... Manual^10.3

The VLA Calibrator manual is available on the web from http://www.aoc.nrao.edu/$_\char126$ gtaylor/calib.html

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... dangerous''^11.1

Bjarne Stroustrup, designer of the C++ language

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... zero^15.1

Complex derivatives can be evaluated by treating $g_i$ and $g_i^\star$ as independent variables. See (Palka1990)

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