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Gunamoi Software

   TracePlot - Spectrum Analyser Trace Plotting Software






TracePlot Program

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VERSION 2.2 OF TRACEPLOT NOW AVAILABLE !! - (click here to find out what's new)

TracePlot is a tool intended for the use of professionals, and student, involved with the testing of radio and satellite communications systems. 

Sample 2D plot

Sample 3D plot

TracePlot is an easy to use tool to display diagrams from spectrum analyser CSV trace files.

Modern spectrum analyzers and other electrical test equipment usually include a way to save the measurement data to a computer file for later processing.  In older units this may simply be an image file showing the screen image from the device.  However, most modern units also allow saving the actual measurement data to a CSV (comma separated values) file. 

For a single CSV trace file, or a small number of files, it is quite easy to load them into a spreadsheet program and generate simple charts.

TracePlot was created for measurement projects where many CSV files of similar format are being generated, and where multiple separate trace files need to be displayed on a single chart.  TracePlot allows the user to load multiple trace files and display the data all together on the one chart, in either 2D or 3D format.  TracePlot allows the user to control colours and fonts, and view angles for the 3D plots, to add limit lines and labels, and colour shaded frequency bands.  TracePlot then allows the user to save all of this configuration into a settings file (*.traceset).  Users may then quickly produce consistent charts with the same settings for large numbers of CSV trace files. 

Each model of spectrum analyser produces a CSV trace file of slightly different format.  TracePlot has built-in data for a couple of these units from Agilent and Rohde&Schwarz, but it also allows the user to add their own custom trace file format specs, to allow TracePlot to quickly read the correct information from the user's own CSV trace files. 

TracePlot also includes a tool to merge separate trace files.  For example, when testing for spurious emissions compliance across a 500MHz band, it is not sufficient to measure the full band in one sweep.  In order to accurately determine compliance, it is necessary to sweep the band in smaller individual segments.  For example, an automated process can be set up to measure each 5MHz segment of the full band.  However, this produces 100 individual trace measurement files.  TracePlot allows those 100 individual sequential files to be merged into a single CSV trace file, with 100 times the measurement points of a normal trace file, which may then be plotted by TracePlot, or loaded into a spreadsheet for further analysis, as desired. 

The basic Lite version of TracePlot is provided free of charge for anyone to use.  However, if you like the program and want to use the Pro features, please register the program.