[Discuss-gnuradio] Help with RA please

[address@hidden]

Hi,

I am running UBUNTU 7.10 and gnuradio-3.1.1. for USRP.   The fm radio 
works fine.  However, when I try running radio astronomy I receive the 
following.  Can someone help please.

Thank you,

Frank
England

address@hidden:~/gnuradio/gr-radio-astronomy/src/python$ .
/usrp_ra_receiver.py

Traceback (most recent call last):
File "./usrp_ra_receiver.py", line 28, in <module>
from gnuradio.wxgui import stdgui2, ra_fftsink, ra_stripchartsink, 
ra_waterfallsink, form, slider, waterfallsink
File "/usr/local/lib/python2.5/site-
packages/gnuradio/wxgui/ra_stripchartsink.py", line 30, in <module>
    import ephem
ImportError: No module named ephem