[Discuss-gnuradio] [GSoC 17] DAB: Updates

Hi everyone, the gr-dab module is finally capable of decoding DAB+ audio streams! Read about it in my latest blog post . Best Luca

Re: [Discuss-gnuradio] Decoding 2FSK Compensating for carrier jitter/skewing (CFO)

On 07/12/2017 05:39 PM, Cinaed Simson wrote: > > > On 07/12/2017 03:56 AM, HLL wrote: >> >> >> On Wed, Jul 12, 2017 at 1:56 AM, Cinaed Simson > > wrote: >> >> It seems odd that a device with a maximum power 116 dBm would have such >>

Re: [Discuss-gnuradio] Debugging polar code crashes

Hi, this is a tricky one. My assumption is, that the configurator block tries to compute channel capacities with a complex algorithm. There is also the BEC channel approximation, which should be called. This whole bug is caused by some GRC changes, as far as I could figure it out. Could you

Re: [Discuss-gnuradio] Crash of gqrx in gr block deallocator when building gnuradio w/o log4cpp on Ubuntu 16-17

Don, I ran into the same exact issue while updating the windows build scripts. Another fix is to manually define ENABLE_GR_LOG during build of iqbal and gqrx to work around the issue without installing log4cpp. It appears to just affect those two so far. The windows build does not currently

Re: [Discuss-gnuradio] Crash of gqrx in gr block deallocator when building gnuradio w/o log4cpp on Ubuntu 16-17

Hmm, so in my last test I completely skipped gr-iqbal. I had gnuradio, osmosdr with only file playback and python modules enabled, and gqrx. You'll still get a crash if you start file playback, then goto demod and change the type to nbfm, then wbfm. Believe it hits some cout in gnuradio like

[Discuss-gnuradio] [GSoC 2017] gr-bokehgui: Updates week 9

Hello all, This week I have almost completed suggested widgets. I will try to add more widgets with thorough testing in this weekend! For more details, check out the latest blog post here . Regards, Kartik Patel ᐧ ___

[Discuss-gnuradio] Issues Posting to List

Hi all - Over the past few days, we have had a number of reports of issues posting to the list. We aren't certain what the problem is, and it's possible we will need to reach out to the FSF Mailman admins to look into it. I just sent an e-mail to everyone who has reported issues posting. If you

Re: [Discuss-gnuradio] Spurious Spikes in RX Data

On 07/06/2017 12:46 PM, Sean Horton wrote: Hi, I've recently gotten someone with Matlab to help me look at what's going on in my receiver. The image was created with matlab from data from a file sink connected directly to a usrp source. I am seeing spurious spikes when plotting I or Q, and

Re: [Discuss-gnuradio] Crash of gqrx in gr block deallocator when building gnuradio w/o log4cpp on Ubuntu 16-17

Alrighty, thanks for another data point. If I end up trying to debug further it'll be good to know. On Jul 14, 2017 2:54 PM, "Geof Nieboer" wrote: > Doing this from memory, but as I recall the corruption happens because > iqbal/gqrx libraries believe sizeof(block) is

Re: [Discuss-gnuradio] Issues Posting to List

Hi Ben – Hopefully this reply comes through. Thanks! Ellie From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+orionnebula42=outlook@gnu.org] On Behalf Of Ben Hilburn Sent: Friday, July 14, 2017 4:37 PM To: GNURadio Discussion List Subject:

Re: [Discuss-gnuradio] Crash of gqrx in gr block deallocator when building gnuradio w/o log4cpp on Ubuntu 16-17

Doing this from memory, but as I recall the corruption happens because iqbal/gqrx libraries believe sizeof(block) is different than what gnuradio's libraries believe. So one library malloc's a different amount of memory than the other library uses and frees. If during debugging you call sizeof()

[Discuss-gnuradio] gr-scan AGC

Hello, Can anyone please explain it to me how to implement AGC into gr-scan spectrum sense software? Thanks -- View this message in context: http://gnuradio.4.n7.nabble.com/gr-scan-AGC-tp64523.html Sent from the GnuRadio mailing list archive at Nabble.com.

Re: [Discuss-gnuradio] [GSoC 17] DAB: Updates

Luca, stellar job. You're not only demonstrating great skill, but also adding really useful features to GNU Radio and thus improving the project as a whole. Cheers, Martin On 07/13/2017 11:43 PM, Moritz Luca Schmid wrote: > Hi everyone, > > the gr-dab module is finally capable of decoding DAB+

Re: [Discuss-gnuradio] Debugging polar code crashes

Hi Johannes - I captured the output of grcc for both polar grc files and they can't find polar_config I did a search of the gnuradio tree and my home directory find . -name polar_config\* and I couldn't find it either. -- Cinaed On 07/14/2017 01:04 AM, Johannes Demel wrote: > Hi, > >

Re: [Discuss-gnuradio] Decoding 2FSK Compensating for carrier jitter/skewing (CFO)

On 07/14/2017 07:13 AM, Andy Walls wrote: > From: Cinaed Simson > Date: Fri, 14 Jul 2017 00:33:27 -0700 >>> On 07/12/2017 03:56 AM, HLL wrote: > [snip] >>> >>> The wavelength for 450 is 1.5 meters. I really don't know where the >>> boundary is between near field and far field - but

Re: [Discuss-gnuradio] Debugging polar code crashes

On 07/14/2017 01:04 AM, Johannes Demel wrote: > Hi, > > this is a tricky one. My assumption is, that the configurator block > tries to compute channel capacities with a complex algorithm. There is > also the BEC channel approximation, which should be called. > This whole bug is caused by some GRC

Re: [Discuss-gnuradio] Decoding 2FSK Compensating for carrier jitter/skewing (CFO)

From: Cinaed Simson Date: Fri, 14 Jul 2017 00:33:27 -0700 >> On 07/12/2017 03:56 AM, HLL wrote: [snip] > > > > The wavelength for 450 is 1.5 meters. I really don't know where the > > boundary is between near field and far field - but I would guess far > > field the other side of a full wave