KICAD

 Ubuntu ppa Adam Wolf

Schematic converter (gEDA -> KiCAD etc) - needs freetype ( pip install freetype-py and apt-get install freetype*)

viterbi decoder: git clone https://github.com/Opendigitalradio/ka9q-fec.git

Gnuradio installation:  http://gnuradio.org/redmine/projects/gnuradio/wiki/PyBOMBS/8

GNSS library http://docs.swift-nav.com/libswiftnav/install.html

DIY

Alternartor fix