Freifunk Hochstift APT

Debian Buster

deb	http://apt.ffho.net buster contrib non-free main
deb-src	http://apt.ffho.net buster contrib non-free main

ffho-buster-signing-key.asc

Debian Stretch

deb	http://apt.ffho.net stretch contrib non-free main
deb-src	http://apt.ffho.net stretch contrib non-free main

ffho-stretch-signing-key.asc

Debian Jessie

deb	http://apt.ffho.net jessie contrib non-free main
deb-src	http://apt.ffho.net jessie contrib non-free main

ffho-jessie-signing-key.asc

Dig through the pool here