\BOOKMARK [0][-]{chapter*.4}{Acknowledgments}{} \BOOKMARK [0][-]{chapter*.5}{Declaration}{} \BOOKMARK [0][-]{chapter*.6}{Abstract}{} \BOOKMARK [0][-]{chapter.1}{Introduction}{} \BOOKMARK [1][-]{section.1.1}{Synchrotron Radiation}{chapter.1} \BOOKMARK [1][-]{section.1.2}{Galactic Supernova Remnants}{chapter.1} \BOOKMARK [2][-]{subsection.1.2.1}{Nonthermal Emission from SNRs}{section.1.2} \BOOKMARK [2][-]{subsection.1.2.2}{Continuum Radio Spectra}{section.1.2} \BOOKMARK [2][-]{subsection.1.2.3}{Thermal emission}{section.1.2} \BOOKMARK [2][-]{subsection.1.2.4}{Radio morphology}{section.1.2} \BOOKMARK [2][-]{subsection.1.2.5}{Galactic distribution}{section.1.2} \BOOKMARK [1][-]{section.1.3}{Effects of the ISM on the observed properties of SNRs}{chapter.1} \BOOKMARK [1][-]{section.1.4}{Why low frequency?}{chapter.1} \BOOKMARK [1][-]{section.1.5}{Aperture synthesis at low frequencies}{chapter.1} \BOOKMARK [2][-]{subsection.1.5.1}{Phase fluctuations}{section.1.5} \BOOKMARK [2][-]{subsection.1.5.2}{Non-coplanar baselines}{section.1.5} \BOOKMARK [2][-]{subsection.1.5.3}{On-line and off-line data analysis}{section.1.5} \BOOKMARK [2][-]{subsection.1.5.4}{Instrumental polarization leakage}{section.1.5} \BOOKMARK [1][-]{section.1.6}{Organization of the thesis}{chapter.1} \BOOKMARK [0][-]{chapter.2}{The Giant Meterwave Radio Telescope}{} \BOOKMARK [1][-]{section.2.1}{Principles of aperture synthesis}{chapter.2} \BOOKMARK [2][-]{subsection.2.1.1}{Interferometry in practice}{section.2.1} \BOOKMARK [1][-]{section.2.2}{The Array}{chapter.2} \BOOKMARK [1][-]{section.2.3}{Signal flow}{chapter.2} \BOOKMARK [1][-]{section.2.4}{Telescope parameters}{chapter.2} \BOOKMARK [1][-]{section.2.5}{The GMRT correlator}{chapter.2} \BOOKMARK [2][-]{subsection.2.5.1}{Overview}{section.2.5} \BOOKMARK [2][-]{subsection.2.5.2}{Delay compensation}{section.2.5} \BOOKMARK [2][-]{subsection.2.5.3}{Imaging modes}{section.2.5} \BOOKMARK [1][-]{section.2.6}{Baseline and fixed delay calibration}{chapter.2} \BOOKMARK [2][-]{subsection.2.6.1}{Baseline calibration}{section.2.6} \BOOKMARK [2][-]{subsection.2.6.2}{Fixed delay calibration}{section.2.6} \BOOKMARK [0][-]{chapter.3}{Data analysis software}{} \BOOKMARK [1][-]{section.3.1}{Introduction}{chapter.3} \BOOKMARK [1][-]{section.3.2}{The software design}{chapter.3} \BOOKMARK [2][-]{subsection.3.2.1}{On-line usage of the software}{section.3.2} \BOOKMARK [1][-]{section.3.3}{Data manipulation libraries}{chapter.3} \BOOKMARK [2][-]{subsection.3.3.1}{The LTAFMT Object}{section.3.3} \BOOKMARK [2][-]{subsection.3.3.2}{The LTAVIEW object}{section.3.3} \BOOKMARK [2][-]{subsection.3.3.3}{The LTARec object}{section.3.3} \BOOKMARK [1][-]{section.3.4}{The user interface for off-line programs}{chapter.3} \BOOKMARK [1][-]{section.3.5}{Data analysis and display programs}{chapter.3} \BOOKMARK [2][-]{subsection.3.5.1}{The program xtract and its variants}{section.3.5} \BOOKMARK [2][-]{subsection.3.5.2}{The rantsol and badbase programs}{section.3.5} \BOOKMARK [2][-]{subsection.3.5.3}{The closure program}{section.3.5} \BOOKMARK [2][-]{subsection.3.5.4}{Conversion to FITS format}{section.3.5} \BOOKMARK [2][-]{subsection.3.5.5}{Miscellaneous programs}{section.3.5} \BOOKMARK [0][-]{chapter.4}{The GMRT Data}{} \BOOKMARK [1][-]{section.4.1}{GMRT Observations}{chapter.4} \BOOKMARK [1][-]{section.4.2}{Low frequency specific problems}{chapter.4} \BOOKMARK [2][-]{subsection.4.2.1}{Mapping with non co-planar arrays}{section.4.2} \BOOKMARK [2][-]{subsection.4.2.2}{Bandwidth Smearing}{section.4.2} \BOOKMARK [1][-]{section.4.3}{Observational procedure}{chapter.4} \BOOKMARK [2][-]{subsection.4.3.1}{On-line monitoring}{section.4.3} \BOOKMARK [1][-]{section.4.4}{Data Analysis}{chapter.4} \BOOKMARK [2][-]{subsection.4.4.1}{Data Editing}{section.4.4} \BOOKMARK [2][-]{subsection.4.4.2}{Data Editing and Calibration in AIPS}{section.4.4} \BOOKMARK [1][-]{section.4.5}{Inversion and deconvolution of GMRT data}{chapter.4} \BOOKMARK [1][-]{section.4.6}{The Images}{chapter.4} \BOOKMARK [0][-]{chapter.5}{Observations of Supernova Remnants}{} \BOOKMARK [1][-]{section.5.1}{Introduction}{chapter.5} \BOOKMARK [1][-]{section.5.2}{Candidate SNRs}{chapter.5} \BOOKMARK [2][-]{subsection.5.2.1}{G001.4-0.1}{section.5.2} \BOOKMARK [2][-]{subsection.5.2.2}{G003.8+0.3}{section.5.2} \BOOKMARK [2][-]{subsection.5.2.3}{G004.2-0.0}{section.5.2}