Re: [Discuss-gnuradio] HF Receiver

[Berndt Josef Wulf]

G'day,

Ok, I bit the bullet, synchronized with the current CVS and rebuild 
everything. It's working now making me think that the previous build wasn't 
compatible with the USRP firmware. One more reason of seeing more frequent 
release updates.

Note: The naming convention for the TVRX module and perhaps others that I yet 
have to encounter appear to have changed from tv_rx to db_tv_rx and hence the 
example scripts need to be patched to reflect these changes - see below:

--- tvrx_wfm_rcv_gui.py.orig    2005-08-16 17:54:51.000000000 +0930
+++ tvrx_wfm_rcv_gui.py 2005-09-23 15:47:50.000000000 +0930
@@ -4,7 +4,7 @@
 from gnuradio import audio
 from gnuradio import usrp
 from gnuradio import blks
-from gnuradio import tv_rx
+from gnuradio import db_tv_rx
 from gnuradio.eng_option import eng_option
 from gnuradio.wxgui import slider, powermate
 from gnuradio.wxgui import stdgui, fftsink
@@ -92,7 +92,7 @@

         # FIXME -- turn this operation into a function
         if which_type == usrp_dbid.TV_RX:
-            self.dboard = tv_rx.tv_rx (src, which_side)
+            self.dboard = db_tv_rx.db_tv_rx (src, which_side)
         elif which_type == usrp_dbid.BASIC_RX:
             self.dboard = None        # FIXME
             raise NotImplementedError


cheerio Berndt

On Fri, 23 Sep 2005 13:52, Berndt Josef Wulf wrote:
> Which version of GNU Radio do you use? I'm currently using CVS-20050817 and
> usrp_fpga_rev2_2005_07_30.rbf. Maybe this is an issue.
>
> cheerio Berndt
>
> On Fri, 23 Sep 2005 12:50, Robert McGwier wrote:
> > I listen all day long while it plays 88.1 FM,  WNJN, a national public
> > radio station near me after I turn Imus in the Morning off of the
> > SDR-1000.
> >
> > It definitely works.
> >
> > Bob
> >
> > Berndt Josef Wulf wrote:
> > >G'day,
> > >
> > >I've become the proud owner of a tvrx daughter board and ready to take a
> > >further step. Does the tvrx_wfm_rcv_gui.py code work? All I'm getting is
> > >scratchy noise after increasing the gain to near maximum. The
> > >connection /deconnection of an antenna doesn't register any changes in
> > > the noise floor.
> > >
> > >How does the TVRX module work? Does the code take care setting up the
> > > tvrx tuner to the frequency of interest and the USRP to the 5.75Mhz IF
> > > frequeny?
> > >
> > >Any help appreciated,
> > >
> > >cheerio Berndt
> > >
> > >
> > >------------------------------------------------------------------------
> > >
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