A 21cm sky map of a goodly chunk of the northern sky

Here's the latest version of our 21cm sky map, derived from nearly 5 months worth of data from our 21cm spectrometer instrument. All of the real-time processing is handled, naturally, with Gnu Radio, and then some Python post-processing. http://www.ccera.ca/files/21cm.png

[Discuss-gnuradio] Packet transmission questions from a newb

Hi, I'm trying to create a wi-fi transmitter in GNURadio that can take a file source and transmit it as an 802.11 packet. I'm using this example as a basis, and trying to follow the guides here

Re: [Discuss-gnuradio] DARPA SC2 Team MarmotE modem is open sourced

Hi Miklos - Excellent! Thanks for sharing your work! - MLD On Thu, Oct 17, 2019 at 9:02 PM Miklos Maroti wrote: > Dear Fellow GNURadio Users, > > We are happy to announce that we are open sourcing the MarmotE modem > that we have developed for the DARPA Spectrum Collaboration Challenge > under

Re: [Discuss-gnuradio] gnuradio-companion-3.8.0 fails to run

ah! I missed the part where you said you're not used to Python. In Python, indentation is structure-defining, and the error message sadly doesn't really give context, but it looks like the most probable explanation is that the line you've inserted is not correctly indented. Make sure you're

Re: AM demodulation

Hi Barry, Some thoughts: You have a large DC spike at the center, try using the frequency xlating fir filter to tune an offset frequency. Why don't you decimate at the channel filter? Try observing the signal at various points using the frequency sink. Good luck, Albin SM6WJM On Sat, Oct 26,

Re: AM demodulation

Hi Barry, I have similar problem receiving and demodulating an rtty signal. At the moment I do it in two steps: First: set the fcdpp to the desired band, apply a lp with downsampling to 48 Khz ( for rtty i even downsample to 8Khz) and add a spectrumdisplay and this stage. Here you get a get