Re: [Discuss-gnuradio] Signal drought

[Greg Hulands]

It just looks like noise.

On May 5, 2014, at 4:59 PM, Marcus D. Leech <address@hidden> wrote:

> On 05/05/2014 07:52 PM, Greg Hulands wrote:
>> Hi,
>> I built all the code today using the build-gnuradio script and when I create 
>> a simple GRC flow graph going from the USRP source to the waterfall plot, I 
>> get no data coming in. I then built gqrx and ran it and it too doesn’t get 
>> any data in from the device to display on its waterfall. I ran the 
>> rx_samples_to_file example and captured some data, but when looking at it in 
>> a hex editor, it doesn’t look like it captured anything in particular 
>> (http://test.utr-software.com/sdr/rxdump.dat). I ran it with 
>> ./rx_samples_to_file —freq=107700000 —rate=1000000 —file=~/rxdump.dat.
>> 
>> I am new to gnu radio and sdr so I’m not yet sure how to dig in to debug 
>> these issues.
>> 
>> Anything help is greatly appreciated.
>> 
>> Thanks,
>> Greg
> 
> How about something really, really simple:
> 
> uhd_fft -a type=b200 -f 107.7e6 -s 1.0e6 -g 40 --fft-rate 8 --averaging
> 
> 
> -- 
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
> 
> 
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