lms2fits

`lms2fits` is a dual-channel spectroscopic receiver for radio astronomy that employs theLimeSDR's LimeSDR-USB dual-channel transceiver, which in turn employs Lime Microsystems' LMS7002M transceiver chip. These systems allow a frequency-agile (<30 MHz to 3.8 GHz) receiver providing Stokes parameters in dynamic spectra of up to 60 MHz analog bandwidth streamed to a FITS file with three-axis primary table. It runs on linux under .Net.

Features

Fourier-transform-type spectral analysis for 100% data utilization; multiframe poly-phase filter bank.
Output streamed to FITS file with comprehensive metadata.
Utilities for device enumeration, measuring sample rate against the system clock, the measurement of sample statistics (mean and standard deviation), and for viewing the primary headers of FITS files.
FITS file viewer in python that permits dividing out gain models and for background subtraction.
Installer for dependencies and and system configuration.

Project Samples

Jovian Io-B radio burst in Stokes U+V in quadrature

Solar type III burst cluster in Stokes I

Project Activity

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License

MIT License

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lms2fits Web Site

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