This kinda thing is gonna be incredibly useful even to us with USRP's. I've been working on a digital voice mode but without a second expensive USRP I have no way to know what I'm broadcasting or how reliable the modulation is. The uses for cheap, semi-disposable SDR's are limitless!
~Andrew On Thu, Mar 29, 2012 at 12:43 PM, Rafael Diniz <[email protected]> wrote: > Indeed, F****ng awesome! > Do you plan to submit upstream your gr-baz? > > People, in dealextreme store the dongle is sold out. > I do not want to start an off-topic trend, but could you please mail me in > private where are you buying such dongle? > > Best regards, > Rafael Diniz > >> Awesome! I'm still waiting on my RTL-based card to arrive via snail-mail >> from an unknown factory on the other side of the world. Will test when it >> arrives! >> >> From: [email protected] >> [mailto:[email protected]] On >> Behalf Of Balint Seeber >> Sent: Thursday, March 29, 2012 11:22 AM >> To: [email protected] >> Subject: [Discuss-gnuradio] RTL2832 ($20 USB SDR) support now in gr-baz >> >> Hi folks, >> >> I've just added RTL2832 support to gr-baz with support for both tuners >> (Elonics E4000 and Fitipower FC0013). >> >> If you're not aware, this is sold as a DVB-T USB receiver for ~$20, which >> is a pretty decent price for a device that can do general purpose SDR at >> 3.2 MHz and 8-bits! The journey starts with Antti >> Palosaari<http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/44461/focus=44461> >> who discovered it can be put in a mode where it streams baseband data >> directly over USB (for analog FM demodulation in software). This resulted >> in Steve Markgraf's rtl-sdr<http://sdr.osmocom.org/trac/wiki/rtl-sdr> >> user-space capture utility over at Osmocom (see the Osmocom page to find >> compatible devices). >> >> I've taken that source and created a fully-featured GNU Radio Source block >> 'baz.rtl_source_c'<http://wiki.spench.net/wiki/Gr-baz#rtl_source_c> (with >> GRC block) that outputs complex values, and allows adjustment of >> frequency, sample rate and LNA gain. There is also an optional automatic >> tuner mode control for the E4000. If you also like using >> Winrad/HDSDR/WRplus, my ExtIO >> plugin<http://wiki.spench.net/wiki/USRP_Interfaces> now has support for >> the device too. The Source block performs internal multi-threaded >> buffering for smoother performance (this might be over-engineered, but it >> seemed to help with the ExtIO plugin). >> >> You can get the source code from my >> SVN<http://svn.spench.net/main/gr-baz/> or >> github<https://github.com/balint256/gr-baz> (though please visit the info >> page<http://wiki.spench.net/wiki/Gr-baz#rtl_source_c> first for more >> info/pre-reqs - e.g. libusb-1.0, etc). It's experimental, and not the >> prettiest because I actually ported it back from the ExtIO plugin, but it >> works for me and if you want to help test/clean it up then that would be >> very much appreciated! >> >> To see it in action, have a peek here: http://youtu.be/FUQd9HOVTk8 >> >> Balint @spenchdotnet<http://twitter.com/spenchdotnet> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
