Hi Chesir, I saw similar behavior with very recent X310s with UBX daughterboards. It did help to revert to an earlier UHD version [0]. Maybe the issue is related. Maybe it is not.
Cheers Johannes [0] https://github.com/EttusResearch/uhd/issues/257 Am 02.04.19 um 16:04 schrieb Chesir, Aaron M.: > Marcus, > > I mis-spoke: I am using a common **receiver** application, and I am > comparing the received spectrum when using either the N21 or the USRP2 > as the transmitter. > > Attached are the screen shots of the parameters of the UHD USRP Sink > block, which is common when using either of the two boxes to transmit > (other than the IP address). > > Attached also are the results of executing “uhd_usrp_probe” for each of > the two boxes. > > I do not understand why I am seeing a healthy spectrum when receiving > from the N210 transmitter, but nothing when receiving from the USRP2 > transmitter. > > Help. > > Thanks, > > Aaron > > *From:*Marcus D. Leech <patchvonbr...@gmail.com> > *Sent:* Tuesday, April 2, 2019 9:34 AM > *To:* Chesir, Aaron M. <ache...@mitre.org>; discuss-gnuradio@gnu.org > *Subject:* Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2 > > On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote: > > When I generate a known good signal in the ISM band (902 MHz), I can > use any other receiver with GRC and a good spectrum will be > displayed. When I use the USRP2 with GRC, to receive and > characterize energy , GRC offers no complaints, but GRC indicates no > reception of any signal energy. > > What daughtercard do you have installed? What gain setting are you using? > > > > *From:*Discuss-gnuradio > <discuss-gnuradio-bounces+achesir=mitre....@gnu.org> > <mailto:discuss-gnuradio-bounces+achesir=mitre....@gnu.org> *On > Behalf Of *Marcus D. Leech > *Sent:* Tuesday, April 2, 2019 9:06 AM > *To:* discuss-gnuradio@gnu.org <mailto:discuss-gnuradio@gnu.org> > *Subject:* [EXT] Re: [Discuss-gnuradio] Need support for USRP2 > > On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote: > > Folks, > > Apparently the USRP2 is no longer supported by GNUradio Companion. > > Do any of you have the source files that would allow one to use > gr_modtool to build a GRC block for the USRP2: One to transmit > and one to receive? > > Thanks, > > Aaron > > That isn't true. You can even still use USRP1 with Gnu Radio. > > > > > *From:* Discuss-gnuradio > <discuss-gnuradio-bounces+achesir=mitre....@gnu.org> > <mailto:discuss-gnuradio-bounces+achesir=mitre....@gnu.org> *On > Behalf Of *Neel Pandeya > *Sent:* Saturday, March 16, 2019 10:37 PM > *To:* krist...@skypro.be <mailto:krist...@skypro.be> > *Cc:* GNURadio Discussion List <discuss-gnuradio@gnu.org> > <mailto:discuss-gnuradio@gnu.org> > *Subject:* [EXT] Re: [Discuss-gnuradio] forum to learn more > about signal-processing and SDR ? > > Hello Kristoff: > > These pages have links to resources that might be helpful to you. > > https://kb.ettus.com/Suggested_Videos > > https://kb.ettus.com/Suggested_Reading > > --Neel Pandeya > > On Sat, 16 Mar 2019 at 21:01, Ali Dormiani > <sdorm...@eng.ucsd.edu <mailto:sdorm...@eng.ucsd.edu>> wrote: > > This book is also a great starting point and reference. > > Digital Signal Processing by Oppenheim and Schafer > > Also, here is a fun visual way of getting an alternative > understanding of Fourier transforms. > > https://www.youtube.com/watch?v=spUNpyF58BY > > Have fun, > > Ali > > On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö > <albin.st...@gmail.com <mailto:albin.st...@gmail.com>> wrote: > > This book is a very good starting point: > > http://www.dspguide.com > > dsp.stackexchange.com <http://dsp.stackexchange.com> is > a good place for questions. > > Good luck. > > Albin SM6WJM > > On Sat, Mar 16, 2019, 22:20 Kristoff <krist...@skypro.be > <mailto:krist...@skypro.be>> wrote: > > Hi, > > > One of the reasons I am currently using GNU Radio is > to learn more about > signal-processing and SDR. > > As the "discuss-gnuradio" list is about gnuradio > itself, what would be a > good mailing-list, newsgroup or forum to ask more > generic questions > about signal-processing? > > > > > Kristoff (ON1ARF) > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > h > > > _______________________________________________ > 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
