Marcus Ok Thanks for the information Marcus. I have both a Spyverter and Ham-it-up already. I may get an N210 eventually. The X series unfortunately are out of my funding range. I appreciate your expertise and advice. Thanks! Larry, K4LED
> On Jul 12, 2020, at 10:08 PM, Marcus D. Leech <patchvonbr...@gmail.com> wrote: > > On 07/12/2020 09:42 PM, Larry Dodd wrote: >> Marcus >> Actually I don’t have the B210 or the LFRX yet as I just ordered them but >> that’s all I ordered. Do I need to cancel the order? >> Larry, K4LED > The LFRX will be of no use to you unless you have a platform that it can plug > in to. > > I'd keep the B210 part of the order, and order a HamItUp or SpyVerter > upconverter module, which up-converts HF frequencies to > a higher range that the B210 can tune to. > > HamiTup is sold by NooElec, and the SpyVerter is sold by > https://airspy.com/spyverter-r2/ > > Again, the LFRX is a "daughtercard", which is used in various USRPS that use > the daughter-card architecture, like the USRP1, USRP2, > N2xx, X3xx, B100, and E100. > > But the B210 is an excellent machine, it's just that it doesn't tune down to > HF frequencies. But with the addition of a (fairly cheap, IMHO) > up-converter, you can explore the territory you're interested in quite > nicely. > > In terms of software, it really depends on what you want to *do*. If you just > want an integrated FFT display that can cover your 15MHz > of bandwidth, you can use the uhd_fft application, and have it sample at > 15Msps--this assumes your computer is able to "keep up" > at that rate--a good USB3 controller will be required, and a good multi-core > machine to go with it. > > >>>> On Jul 12, 2020, at 8:06 PM, Marcus D Leech <patchvonbr...@gmail.com> >>>> wrote: >>> >>> The B210 is self contained and tunes down to 50Mhz at the lowest. The LFRX >>> is for other types of USRPs. So first things first, what type of USRP do >>> you have? >>> >>> Sent from my iPhone >>> >>>> On Jul 12, 2020, at 7:43 PM, Larry Dodd via USRP-users >>>> <usrp-users@lists.ettus.com> wrote: >>>> >>>> I need to set up a GNU HF spectrum analyzer with a waterfall using my >>>> B210, LNA, and LFRX daughter board. The target would be a 15 to 30 MHz (or >>>> wider) instantaneous spectrum for Radio Astronomy work. Rather than >>>> re-creating something that already exists where could I get a similar GNU >>>> flowgraph? Since I am brand new to USRP any advice is very welcome. >>>> Thanks, >>>> Larry, K4LED >>>> _______________________________________________ >>>> USRP-users mailing list >>>> USRP-users@lists.ettus.com >>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com