Still no go. :-( I have also added device adde = name,serial=F4FFFF,type=b200,uhd and Mb0: Subdev Spec = A:A A:B
both still having no effect. Thanks, Greg On May 5, 2014, at 5:58 PM, Marcus D. Leech <mle...@ripnet.com> wrote: >> I changed to RX2 and still not activating the receiver on the board. >> > Try changing the "Wire Format" to complex-int16 > > >> >> On May 5, 2014, at 5:44 PM, Marcus D. Leech <mle...@ripnet.com> wrote: >> >>>> I changed antenna’s and I see a signal now in uhd_fft. I just noticed that >>>> when in GRC and I run the flow graph, i don’t see the RX light come on the >>>> board like when running uhd_fft. >>>> >>>> I have put the grc file up here http://test.utr-software.com/sdr/test.grc >>>> >>>> Thanks, >>>> Greg >>>> >>> The default antenna port if you don't specify one is always TX/RX -- >>> because you might be wanting to do half-duplex. You can explicitly specify >>> the RX2 antenna port in the GRC source block, or just remember that >>> "unspecified" means, typically, TX/RX. >>> >>> >>>> On May 5, 2014, at 5:03 PM, Greg Hulands<ghula...@me.com> wrote: >>>> >>>>> It just looks like noise. >>>>> >>>>> On May 5, 2014, at 4:59 PM, Marcus D. Leech<mle...@ripnet.com> 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 >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Discuss-gnuradio mailing list >>>>>> Discuss-gnuradio@gnu.org >>>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>>> _______________________________________________ >>>>> Discuss-gnuradio mailing list >>>>> Discuss-gnuradio@gnu.org >>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >>> >>> -- >>> Marcus Leech >>> Principal Investigator >>> Shirleys Bay Radio Astronomy Consortium >>> http://www.sbrac.org >> > > > -- > Marcus Leech > Principal Investigator > Shirleys Bay Radio Astronomy Consortium > http://www.sbrac.org
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