[OUTDATED] How to Install Piaware v 3.7.2 on Ubuntu 18.04 (Bionic) & Ubuntu 19.04 (Disco) amd64 / Intel PC

That should be:

sudo dpkg -i dump1090-fa_3.8.0*amd64.deb

or
sudo dpkg -i dump1090-fa_3.8.1*amd64.deb