This Repository contains three sections,

1. Data_acquisition : This section contains terminal code for acquire Data from RTL-SDR in the form of unsigned integer.
2. Spectrum_Analysis : This section have Octave (Matlab) codes for Data convertions and plot as power spectrum. For more details read "README.TXT" file on that section.
3. Rotation_curve : This section have code for calculate the rotation curve of Milky-way galaxy using the dopplershift of the frequency.

We aquired data for 20 seconds. Here i attach sample Data sets: https://drive.google.com/open?id=1YIdwTosyEtAkbIPB0Ztcz2LZS60DGzWU

Important References can be found here.

KStars web- The KDE Education Project: https://edu.kde.org/kstars/

KStars Handbook: https://docs.kde.org/trunk5/en/extragear-edu/kstars/index.html

Hyperfine split of the Hydrogen: http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/h21.html

lecture hyperfine structure by G Srinivasan 2018 L2 – Spontaneous and Stimulated emission of radiation: https://www.youtube.com/watch?v=o_h8djx68tw

Chera 2018- 21 cm Horn receiver with SDR: https://sites.google.com/view/eeg2018