[Discuss-gnuradio] only zeros in dual-channel-mode

2007-12-28 Thread wolfgang buesser
I am trying to build a network analyzer using usrp and LF RX/TX- so i need one TX and two RX-channels. However I only get noise lcose to zero on the secon channel: Here is what I am doing in the RX_path (in brief). Maybe somebody can spot the mistake: self.rx = usrp.source_c(0,decim_rate

[Discuss-gnuradio] Way to demodulate OTA files by KD7LMO.net

2007-12-28 Thread Enrique Barria
Hello: I am a new user of gnuradio. I have successfully installed, and done some tests (dialtone and so on). I am trying to use the captures in http://www.kd7lmo.net/ground_gnuradio_ota.html to do something more real. I have no problem using the scripts in http://www.kd7lmo.net/ground_gnurad

Re: [Discuss-gnuradio] only zeros in dual-channel-mode

2007-12-28 Thread Eric Blossom
On Fri, Dec 28, 2007 at 04:50:36AM -0800, wolfgang buesser wrote: > > I am trying to build a network analyzer using usrp and LF RX/TX- so i need > one TX and two RX-channels. However I only get noise lcose to zero on the > secon channel: > > Here is what I am doing in the RX_path (in brief). Mayb

Re: [Discuss-gnuradio] only zeros in dual-channel-mode

2007-12-28 Thread wolfgang buesser
Eric Blossom wrote: > > >> self.rx_r_subdev = usrp.selected_subdev(self.rx, (0,0)) >> self.rx_r_subdev = usrp.selected_subdev(self.rx, (1,0)) > > Looks like a typo here ^ you're setting rx_r_subdev twice > > Correct. This is not as in the code I tested.! > > Also, how