Category: Software-Defined Radio

January 14, 2018 / N1AAE / Amateur Radio Satellites

Visualizing Satellite Doppler Shift

Per Wikipedia, Doppler Shift is defined as: The change in frequency or wavelength of a wave for an observer who is moving relative to the wave source. In regards to…

Amplifying weak signals with a Low Noise Amplifier for your RTL-SDR

I wanted to add a Low Noise Amplifier to my RTL-SDR dongle to amplify weak signals received from ARPS, satellite and HF signals for FT8 and other digital mode decoding.…