Are here:
These where built with the manifest here:
The images have gnuradio and some extra stuff. They are sized for 8GB SD
cards. There is also a toolchain so you can compile your own GNU Radio
blocks.
To make a card run (as root)
xzdec sdimage-8G-zc702.direct | dd of=/dev/sdX
Let me know if you find problems or have suggestions for additional
packages.
Philip