I changed to RX2 and still not activating the receiver on the board.
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
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