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rx2fits is an SDR code for the rx888mk2 direct-sampling receiver that streams spectral data with frequency up to 65 MHz to FITS files. This code is for the direct-sampling input of the receiver, which transmits real samples over USB3 at up to 130 MHz sample rate. rx2fits processes these samples to spectral intensities via a Fourier-transform poly-phase filter bank, which provides spectral resolution approaching the spectral bin width with good stop-band and adjacent-channel rejection. ...

This package is a single-channel software-defined receiver for spectroscopy that takes data from SDRPlay receivers. Those are heterodyning receivers covering frequencies from near zero to about 1.7 GHz with up to 8 MHz analog bandwidth in a complex-valued data stream. The central program, `spec`, acquires samples from a receiver, spectrally analyzes them, and saves the spectra to two-axis FITS files. The codes run on linux on .Net and are written in C# and Visual Basic.Net. There is a...

Sample data is also bundled, to demonstrate its complete functionality to users. Other functionality within this application is the ability to convert DAOPHOT magnitude files to CSV format.