Install librtlsdr-dev by entering the following commands in the terminal:
sudo apt update sudo apt install librtlsdr-dev
Description:
Software defined radio receiver for Realtek RTL2832U (development)
rtl-sdr is a software defined radio (SDR) receiver software for certain low-cost DVB-T/DAB(+) USB dongles based on the Realtek RTL2832U chip. . This package contains development files.
Homepage: http://sdr.osmocom.org/trac/wiki/rtl-sdr
Version: 0.5.3-13
Section: universe/libdevel