For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:epaolantonio:adsbreceiver/openSUSE_Tumbleweed/home:epaolantonio:adsbreceiver.repo
zypper refresh
zypper install readsb
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:epaolantonio:adsbreceiver/16.0/home:epaolantonio:adsbreceiver.repo
zypper refresh
zypper install readsb
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:epaolantonio:adsbreceiver/15.6/home:epaolantonio:adsbreceiver.repo
zypper refresh
zypper install readsb