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+glrpt can decode images in real time as they are received from the
+satellite and display them incrementally as they form,
+slow-scan TV fashion.
+The images displayed in the glrpt window are scaled down by a factor
+specified in the ~/glrpt/glrptrc configuration file.
+The APID channel images stored in ~/glrpt/images/ are full sized and
+are saved either in the PGM (Portable Grey Map) format or JPEG format.
+A new JPEG compression code in glrpt allows both monochrome and color
+images to be saved as good quality jpeg files.
+Please note that the images/ directory can be a relative link to some
+other directory of user's choice.