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Re: [Discuss-gnuradio] USRP/RFX2400 Question


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] USRP/RFX2400 Question
Date: Mon, 7 Aug 2006 02:50:59 -0700
User-agent: Mutt/1.5.9i

On Mon, Aug 07, 2006 at 02:30:59AM -0700, Swapneel S. Ukhalkar wrote:
> I recently purchased a USRP and RFX2400 daughterboard and am slowly 
> learning the ropes. Right now I'm trying to acquire 802.11b signals. 
> When I run "usrp_oscope.py" the daughterboard doesn't seem to be sensing 
> any signals at all even though there are numerous ones in the immediate 
> vicinity. I have the corresponding antenna for the 2400 series but have 
> not hooked it up. Would that make a difference? I was also thinking that 
> maybe the signals would not be visible on the oscope, so I could write 
> some python code to acquire data every time unit and print it to a text 
> file and then analyze it. Any ideas on what my problem could be? Thanks 
> in advance.

Try selecting "Auto" for the trigger option and/or press the
50% (trigger level) button.  Yes, somebody ought to change the
default.

Eric




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